Public evidence page

Handball - Goalkeeper

Sport

Sport: Handball

Position: Goalkeeper

Athletes' bodies

Elite female handball goalkeepers are typically among the taller and more robust players, selected for greater goal coverage and reach during fast close-range shot reactions and repeated landing/bracing under high forces. Position-based elite data show goalkeeper body height and mass are higher than wings/backcourt in the same competitive cohorts. ([ijspt.scholasticahq.com](https://ijspt.scholasticahq.com/article/38174-establishing-normative-dynamic-postural-control-values-in-elite-female-handball-players))

Cohort

Sex: Female

Level: Elite

Quick glossary

Prior: Model estimate before updating with the current evidence; the starting baseline.
Posterior: Model-updated estimate after combining prior evidence with observed data.
Standard deviation: Spread around the estimate; lower means tighter expected range.
Alignment: How well a goal/preference/injury profile matches this body pattern.

Measurements

Factor	Prior	Posterior	Success-impact	Reasoning behind prior	Prior estimate sources
Height	173.7 ± 4.6 cm	173.7 ± 4.6 cm	high	Set to the reported elite female goalkeeper mean and spread from the baseline positional anthropometrics (goalkeeper group). ([ijspt.scholasticahq.com](https://ijspt.scholasticahq.com/article/38174-establishing-normative-dynamic-postural-control-values-in-elite-female-handball-players))	[1]
Weight	64.3 ± 5.1 kg	64.3 ± 5.1 kg	high	Set to the reported goalkeeper mass mean and SD in the elite cohort baseline table. ([ijspt.scholasticahq.com](https://ijspt.scholasticahq.com/article/38174-establishing-normative-dynamic-postural-control-values-in-elite-female-handball-players))	[1]
Ape index	1 ± 0.03 ratio	1 ± 0.03 ratio	medium	Ape index is approximated from the modeled arm-span proportionality; goalkeepers benefit from slightly favorable reach/coverage but values remain near typical adult range. (Model-based.)	[2]
Arm span	180 ± 6 cm	180 ± 6 cm	medium	Direct elite female goalkeeper arm-span norms are rarely published; arm span was therefore derived from height with a small reach-advantage adjustment. (Model-based.)	[3]
Leg inseam	81.5 ± 3.2 cm	81.5 ± 3.2 cm	medium	Inseam is not commonly reported in handball goalkeeper datasets; estimated to be proportionally consistent with elite stature. (Model-based.)	[4]
Shoulder width	36 ± 2.5 cm	36 ± 2.5 cm	medium	Shoulder width is a proxy for upper-body robustness used in diving/reaching/bracing; set via scaled adult anthropometric breadth. (Model-based.)	[5]
Ankle circumference	20.9 ± 1.1 cm	20.9 ± 1.1 cm	low	No strong elite goalkeeper ankle-circumference norms were used; low-confidence morphological proxy. (Model-based.)	[6]
Foot length	25.9 ± 1.2 cm	25.9 ± 1.2 cm	low	Foot length is treated as a low-importance morphology proxy for stability and stride mechanics; estimated from adult proportions. (Model-based.)	[7]
Hand length	18.3 ± 0.9 cm	18.3 ± 0.9 cm	low	Hand length can affect glove fit and effective reach, but is not consistently used as a primary goalkeeper discriminator; modeled low-importance proxy. (Model-based.)	[8]
Leg-torso ratio	0.89 ± 0.04 ratio	0.89 ± 0.04 ratio	low	Internal-consistency ratio; not a primary goalkeeper discriminator, so low importance. (Derived.)	[9]
Pelvic bone width	29.8 ± 2.2 cm	29.8 ± 2.2 cm	low	Pelvic bony width is seldom position-specific in handball; low-importance modeled proxy. (Model-based.)	[10]
Shoulder-hip ratio	1.05 ± 0.05 ratio	1.05 ± 0.05 ratio	low	Used as a low-importance upper-body vs lower-body morphology proxy; computed from the modeled breadth values. (Derived.)	[11]
Torso length	92 ± 3 cm	92 ± 3 cm	low	Calculated for internal consistency with the selected height and inseam. (Derived.)	[12]
Wrist circumference	15.9 ± 0.8 cm	15.9 ± 0.8 cm	low	Wrist circumference can relate to upper-body mass/brace stability but is not central for goalkeeper role selection; treated as low-importance proxy. (Model-based.)	[13]

Traits

Factor	Value	Impact	Reasoning	Sources
Muscle fiber profile	balanced	high	A purely fast-twitch profile is insufficient because goalkeeper match demands include repeated recoveries/ground contacts and sustained high attention/repeated efforts. Balanced fiber tendency best fits the Bayesian prior for elite GK roles. (Inference-based.)	[14]
Metabolic tendency	mesomorphic tendency	medium	Goalkeeper anthropometry supports a musculature-friendly build that supports explosive dives and bracing, without implying endurance-only physiology. (Inference-based using the elite GK baseline anthropometrics.) ([ijspt.scholasticahq.com](https://ijspt.scholasticahq.com/article/38174-establishing-normative-dynamic-postural-control-values-in-elite-female-handball-players))	[15]
Joint laxity	medium	medium	Set to medium as an optimal compromise: sufficient mobility for shot coverage while maintaining stability and force transfer during dives/rolls/recoveries. (Inference-based.)	[16]
Foot arch	neutral arch	low	No strong elite female goalkeeper arch-type benchmarks were used; neutral chosen conservatively. (Assumption.)	[17]
Temperature tolerance	balanced	low	Balanced thermal tolerance is assumed for indoor court play; low importance for database optimization. (Inference-based.)	[18]
Dominant side	no meaningful side advantage	low	Goalkeeping side advantage is often team/shot-angle dependent; thus neutral. (Inference-based.)	[19]

Goals

Factor	Alignment	Reasoning	Sources
Build confidence	medium	Because goalkeeping is high-skill, you can build confidence quickly when you learn positioning and start making saves. But it can also involve occasional “misses” that feel personal, so progress is sometimes emotionally spikier than for lower-stakes roles. Overall: medium alignment. ([cognitiveresearchjournal.springeropen.com](https://cognitiveresearchjournal.springeropen.com/articles/10.1186/s41235-025-00615-8?utm_source=openai))	[20] [21]
Build endurance	low	Handball involves intermittent high-intensity bursts, and the keeper’s work is often repeated explosive saves with rest/low activity between them. That’s not the most direct way to build steady aerobic endurance compared with outfield roles or endurance-focused sports. ([pmc.ncbi.nlm.nih.gov](https://pmc.ncbi.nlm.nih.gov/articles/PMC5390542/?utm_source=openai))	[22] [23]
Build strength and power	high	Goalkeeping emphasizes repeated powerful movements: explosive lateral pushes, jumping/dive saves, and strong upper-body control during catching/deflecting. Those repeated high-force actions strongly align with building strength and power (especially reactive leg drive and throwing/arm power mechanics). ([pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/31294019/?utm_source=openai))	[23] [24] [25]
Challenge myself	high	Goalkeeping is mentally and physically challenging: you must react fast, cover the frame, and handle pressure shots. The combination of reflex/reactive athleticism and high-stakes involvement makes it a very strong “stretch yourself” sport for amateurs who want demand. ([cognitiveresearchjournal.springeropen.com](https://cognitiveresearchjournal.springeropen.com/articles/10.1186/s41235-025-00615-8?utm_source=openai))	[20] [21] [23]
Compete and measure myself	medium	Competition is built in (matches, leagues), and for goalkeepers you can measure outcomes like saves, goals conceded, clean sheets, or save efficiency—so there is measurement potential. But compared with sports that have very direct personal stats, goalkeeper measurement is partly team/shot-quality dependent, so it’s usually “medium.” ([mdpi.com](https://www.mdpi.com/1660-4601/20/4/3353?utm_source=openai))	[21] [23]
Improve agility and coordination	high	Goalkeeping is a coordination-heavy position: tracking the ball, shuffling into the right angle, then catching/diving while maintaining balance and body shape. You also need timing coordination with teammates’ defensive structure and the shooter’s release. ([mdpi.com](https://www.mdpi.com/1660-4601/20/4/3353?utm_source=openai))	[20] [21]
Improve balance and control	high	Saving the ball requires repeatedly landing, stopping, and recovering from dives and fast direction changes while staying within the goal space. That’s exactly the kind of neuromuscular challenge that improves balance and control. ([pmc.ncbi.nlm.nih.gov](https://pmc.ncbi.nlm.nih.gov/articles/PMC7673568/?utm_source=openai))	[21] [26]
Improve flexibility and mobility	low	Goalkeeping does involve reaching, stretching into saves, and low/side-to-side movements, but it’s not primarily a mobility- or flexibility-focused training stimulus. You may gain some range-of-motion indirectly, but big improvements usually require deliberate stretching/mobility work. ([mdpi.com](https://www.mdpi.com/1660-4601/20/4/3353?utm_source=openai))	[21]
Improve general health and fitness	medium	Even as the goalkeeper, you’re still in a demanding, fast indoor team sport. You do a lot of quick starts/stops, diving/low-to-high body movements, and repeated explosive actions. That supports general fitness, but typically the outfield players accumulate more continuous running/total movement than the keeper, so it’s usually not as strong for “baseline health” as playing an outfield position. ([pmc.ncbi.nlm.nih.gov](https://pmc.ncbi.nlm.nih.gov/articles/PMC5390542/?utm_source=openai))	[21] [22] [23]
Improve speed and explosiveness	high	Keeper work is all about very fast, explosive reactions and first-movement speed (lateral/forward steps, dive initiation, and recovery). Even when reaction time is measured in fractions of a second, the training stimulus is clearly “get moving now.” ([cognitiveresearchjournal.springeropen.com](https://cognitiveresearchjournal.springeropen.com/articles/10.1186/s41235-025-00615-8?utm_source=openai))	[20] [23]
Learn new skills and master technique	high	Goalkeeping is one of the most technique-driven positions: you learn specific save mechanics, positioning, reading shooters, and movement patterns. Skill acquisition is ongoing and relatively specialized, making this a strong match for “master technique.” ([mdpi.com](https://www.mdpi.com/1660-4601/20/4/3353?utm_source=openai))	[20] [21] [23]
Lose weight	low	Weight loss relies mostly on total weekly calorie burn. Goalkeepers generally cover less court distance than outfield players, so while you’ll be active, the overall energy expenditure is usually lower than playing a perimeter/wing/back role. ([mdpi.com](https://www.mdpi.com/1660-4601/20/4/3353?utm_source=openai))	[21] [23]
Make friends and feel a sense of belonging	high	Handball is inherently a team sport: even goalkeepers rely on communication, coordination, and trust with the defense. Joining a team and regularly practicing creates strong opportunities for friendships and belonging. ([pmc.ncbi.nlm.nih.gov](https://pmc.ncbi.nlm.nih.gov/articles/PMC5390542/?utm_source=openai))	[22] [27]
Reduce stress and feel better	medium	Any regular physical activity and especially team sport participation tends to help mood and stress. However, goalkeeping includes intense attention demands and high-pressure moments, which can feel exhilarating but also stressful for some people—so the match to “feel better” is more variable than, say, a gentle aerobic sport. ([pmc.ncbi.nlm.nih.gov](https://pmc.ncbi.nlm.nih.gov/articles/PMC5390542/?utm_source=openai))	[21] [22] [27]
Spend time with people I care about	low	Goalkeeping time is usually not “chat-friendly” during practice/game actions: you’re focused on cues, positioning, and rapid responses. You will still spend time with the team (before/after), but the sport itself doesn’t lend itself to conversation while playing. ([mdpi.com](https://www.mdpi.com/1660-4601/20/4/3353?utm_source=openai))	[20] [21]

Preferences

Factor	Alignment	Reasoning	Sources
Competition-focused environment	high	Goalkeepers are selected and evaluated strongly in matches (team results + goalkeeper performance). Joining a club league or tournament structure is usually the main path for improvement.	[28] [29]
Enjoys contact	medium	You typically don’t “seek” contact like in some contact-heavy roles, but you should be comfortable with the reality of reacting to bodies/space and taking impact from close-range shots and landings.	[30] [31]
Flexible Time Table	low	You can do some solo goalkeeper drills (footwork, catching, reaction practice), but meaningful goalkeeping improvement for handball usually requires coordinated team training—especially to work on positioning, timing, and facing real shot scenarios in practice.	[32] [33]
Indoor setting	high	Standard handball is played indoors in a gym/arena, so the goalkeeper experience (training and games) is typically in controlled indoor conditions.	[33] [34]
Long steady efforts	none	Goalkeeping is not primarily about steady pacing over long durations; it’s mostly about intermittent reaction and movement around the goal frame.	[35] [36]
Low impact on joints	low	Goalkeeping includes frequent explosive jumps/dive saves and repeated landings in quick succession. Even in an indoor court sport, that tends to be joint-stressing (ankles/knees) rather than “gentle on joints.”	[36] [37]
Mostly individual	medium	Goalkeeping involves lots of solo technical work (stance, reaction, diving mechanics), but your effectiveness still depends on team defensive structure—e.g., what angles opponents can shoot from and how your teammates block space.	[33] [38]
Non-contact	low	Goalkeepers still deal with physical contest situations and high-speed shots where you may need to collide with/impact the ball and sometimes be drawn into contact scenarios during defense.	[33] [39]
Outdoor setting	none	The goalkeeping position in handball is not an outdoor-environment sport; standard play is indoor. (An “outdoor” match is not what this position is built for.)	[34]
Playful recreational atmosphere	low	Compared to more playful/social sports, goalkeeping in handball tends to be high-attention, high-intensity, and pressure-filled (misses are costly; reflex demands are high).	[40] [41]
Routine and structure	medium	Training usually has structured drills (stance, reaction reps, diving mechanics). But the live-game experience is variable and reflexive—so it’s not as “predictable routine” as sports with fixed cycles.	[33] [42]
Short explosive efforts	high	This position is built around short bursts: reacting instantly, springing into a dive, and making saves in fractions of a second—usually not long continuous efforts.	[43] [44]
Tactical and strategic	medium	There’s strategy—anticipating shooter tendencies, reading angles, organizing the defense—but compared with field outfield roles, goalkeeping is less about building long offensive plays and more about decisions tied to each incoming shot.	[45] [46]
Team environment	high	Even though the goalkeeper’s job is personal (making saves), you’re still part of a coordinated team defense: your positioning, communication, and whether you step out or stay back depend on what your teammates are doing on the court.	[33] [47]
Technique-heavy	high	A goalkeeper lives and dies by technique: correct stance, positioning angles, timing, diving mechanics, and safe landings. Better technique directly improves save ability and reduces injury risk.	[33] [48]
Variety and novelty	medium	There’s variety because shots come from many angles and distances, and you face different shooter styles. However, many of the technical foundations and save types repeat frequently, so it’s not endlessly novel.	[49] [50]
Water environment	none	Handball goalkeeping does not involve water or a water-based setting.	[34]

Injuries

Risk

Factor	Value	Definition	Full reasoning	Sources
Achilles tendon pain (tendinopathy)	low	Pain and irritation in the Achilles tendon at the back of the ankle.	The key keeper injury story in the sources above is upper extremity, especially around elbow/shoulder, plus finger/thumb impacts. Achilles tendinopathy is plausible, but not established as a dominant keeper-specific diagnosis in the evidence used, so risk is low.	[51] [52]
ACL injury	low	A major ligament injury inside the knee, often linked to pivoting, landing, or sudden deceleration.	Handball involves ACL-relevant movements for all players, but keeper-specific injury emphasis in sources used points more to shoulder/elbow/hand. So low rather than medium/high.	[54]
Ankle sprain	medium	A stretched or torn ankle ligament, usually after the foot rolls awkwardly.	While the strongest keeper-specific injury signal in sources is upper limb, the goalkeeper still has frequent lower-limb cutting/landing demand. Handball epidemiology supports ankle sprains as a common handball injury type; therefore medium risk.	[52]
Calf strain	none	A pulled or overloaded calf muscle, often felt during pushing off, sprinting, or jumping.	No evidence used to elevate above none; default none.	—
Finger or hand impact injury	high	Pain from jamming, bending, or striking the fingers or hand during sport.	Keeper mechanics involve frequent direct contact of the hand/fingers/thumb with the ball and sometimes awkward impact angles. The IHF goalkeeper injury body-part breakdown includes finger/thumb segments, and goalkeeper hand injury discussion supports a high risk profile for impact injuries in this role.	[51] [56]
General forearm overuse pain	low	Ongoing forearm pain from repeated gripping, lifting, or arm use when the exact tendon is unclear.	Goalkeeper-specific handball literature commonly highlights upper-extremity problems (especially around the throwing/impact arm mechanics) and also hand/finger injuries from contact/ball impacts, while forearm-overuse pain is less consistently singled out. So overall risk is low rather than medium.	[57] [58]
General foot or ankle pain	medium	Ongoing foot or ankle pain when the exact structure or diagnosis is unclear.	Since goalkeepers still experience frequent lower-extremity loading and handball epidemiology highlights lower-limb injury regions, “general foot/ankle pain” is medium risk (not guaranteed, but common enough).	[52]
General hip or groin pain	low	Ongoing hip or groin pain when the exact structure or diagnosis is unclear.	Hip/groin pain is plausible (handball movement demands), but keeper-specific injury-burden signals from the sources we used emphasize upper limb (shoulder/elbow) and hand trauma more strongly; thus low overall.	[52]
General knee pain	low	Ongoing knee pain when the exact structure or diagnosis is unclear.	Knee pain is plausible, but keeper-specific patterns from the sources used focus more on shoulder/elbow/hand. Hence low risk.	[52]
General lower-back pain	low	Ongoing lower-back pain when the exact source is unclear.	Plausible but not supported as dominant from keeper-specific sources; low risk.	[52]
General lower-leg pain	low	Ongoing shin or calf pain when the exact diagnosis is unclear.	Plausible but not supported as dominant; low risk.	[53]
General shoulder pain	high	Ongoing shoulder pain when the exact structure or diagnosis is unclear.	Goalkeeper roles require reactive upper-extremity work (blocking and diving) and overhead/forward-reaching mechanics. The handball injury epidemiology and shoulder-focused risk-factor literature support that shoulder issues are a major injury burden in handball, so high risk is appropriate for keepers as well.	[51] [52] [59]
General wrist or hand pain	medium	Ongoing wrist or hand pain when the exact structure or diagnosis is unclear.	Since goalkeepers have frequent hand contact, wrist/hand pain is plausible and can be recurrent. However, the strongest “impact-specific” signal is for fingers/thumb, so risk is medium.	[51]
Golfer's elbow	low	Pain on the inside of the elbow linked to overload in the forearm tendons.	Because keeper-related elbow problems are discussed (goalie’s elbow), elbow overload is plausible. However, the more specific “golfer’s elbow” site/type is not the prominent named pattern in goalie literature we used, so risk is low rather than medium.	[56] [57]
Groin strain	low	A pulled or irritated groin muscle, often felt in cutting, sprinting, or kicking movements.	Handball movement patterns make groin strain plausible, but with no keeper-specific dominance evidence, risk stays low.	[52]
Hip flexor strain	low	A strain or overload in the front-of-hip muscles that help lift the leg.	Plausible, but without evidence that hip-flexor strain is a top keeper issue, risk remains low.	[52]
Side-of-hip tendon pain	low	Irritation of the hip or gluteal tendons around the outer side of the hip.	Plausible but not supported as dominant in used sources; set low risk.	[52]
Lower-back disc irritation	none	Lower-back pain that may involve irritation of a spinal disc and sometimes pain spreading into the leg.	No evidence for dominance; default none.	—
Mechanical lower-back pain	low	Common lower-back pain related to movement, loading, stiffness, or irritated supporting tissues.	Plausible but not proven dominant in keeper-specific sources used; low risk.	[52]
Meniscus injury	none	Irritation or tearing of the knee cartilage that helps cushion and stabilize the joint.	No evidence used that meniscus injury is common enough for keepers to rate above none/very low. Default none.	—
Jumper's knee (patellar tendinopathy)	none	Pain and irritation in the tendon just below the kneecap.	No evidence used to elevate this above none; default none.	—
Front-of-knee pain (patellofemoral pain)	none	Pain around or behind the kneecap that often flares with repetitive knee bending.	No evidence to rate it above none; default none.	—
Heel pain (plantar fasciitis)	low	Irritation of the tissue under the foot that often causes pain near the heel.	Plausible due to repeated landing/loading, but without evidence it’s commonly dominant in goalkeeper-specific injury patterns, risk remains low.	[51]
Rotator cuff irritation	high	Pain and overload in the shoulder muscles and tendons that help control arm movement.	Overuse and biomechanical loading of the shoulder are key themes in handball upper-extremity injuries. Goalkeepers repeatedly expose the shoulder to high demand without the ability to “rest” the joint during shots, so rotator cuff irritation risk is high.	[51] [59] [64]
Shin splints	none	Exercise-related pain along the shin that often appears when impact load rises too quickly.	Default none.	—
Shoulder impingement-type pain	high	Shoulder pain that appears when tissues feel pinched or irritated during arm elevation.	Handball shoulder injury risk is high and related to modifiable shoulder mechanics/ROM/scapular control. Keeper demands are frequent reaching/arm elevation under load, which matches impingement-type mechanisms. So risk high.	[52] [59] [64]
Shoulder instability or dislocation	low	A shoulder that has slipped out, partly slipped out, or feels unreliable in vulnerable positions.	Compared to shoulder pain syndromes, instability/dislocation is a narrower and generally lower-incidence diagnosis. The used sources strongly support shoulder overuse/burden more than instability-specific frequency for goalkeepers, so risk low.	[52]
Back stress reaction (spondylolysis)	none	A stress injury in the back often linked to repeated extension and rotation loading.	Default none due to lack of evidence of common goalkeeper incidence in used sources.	—
Tennis elbow	low	Pain on the outside of the elbow linked to overload in the wrist and forearm tendons.	Overuse elbow pain exists in goalkeepers (“goalie’s elbow”), which overlaps with tendon overload mechanisms. However, tennis elbow specifically (lateral epicondyle) is not clearly established in the sources used as the dominant injury pattern, so risk stays low.	[56] [57]
Shin bone stress injury	none	Stress irritation in the tibia from repeated impact that has outpaced recovery.	Default none.	—
Wrist sprain	medium	A stretched or irritated wrist ligament, often after a fall, impact, or awkward bend.	Keeper hand interactions create plausible sprain mechanisms, and wrist injury categories are present in goalkeeper body-part reporting. It’s not clearly the most dominant keeper injury type, so medium risk.	[63]
Wrist tendon pain	low	Irritation of wrist tendons from repeated gripping, racquet use, lifting, or supporting body weight.	Mechanically plausible, but no strong evidence used for wrist tendinopathy dominance in goalkeeper handball. So low risk.	[63]

Prevention

Factor	Value	Definition	Full reasoning	Sources
Achilles tendon pain (tendinopathy)	low	Pain and irritation in the Achilles tendon at the back of the ankle.	Goalkeeping includes repeated explosive ankle loading, which can promote tendon adaptation (some protective effect). But there’s no Achilles-tendinopathy-specific evidence used here for goalkeepers, so it cannot be high; it’s low.	[53]
ACL injury	none	A major ligament injury inside the knee, often linked to pivoting, landing, or sudden deceleration.	No sport-only ACL prevention evidence was used. Default none.	—
Ankle sprain	low	A stretched or torn ankle ligament, usually after the foot rolls awkwardly.	Because ankle sprains remain common, prevention from sport alone can’t be high. Still, regular repeated ankle loading/landing can improve tolerance, so low prevention.	[55]
Calf strain	none	A pulled or overloaded calf muscle, often felt during pushing off, sprinting, or jumping.	Default none.	—
Finger or hand impact injury	medium	Pain from jamming, bending, or striking the fingers or hand during sport.	Because prevention depends heavily on technical factors (how you catch/deflect with the hand) and protective equipment/technique, some preventive effect is plausible, but it can’t be very high because impact is inherent. So medium.	[51]
General forearm overuse pain	none	Ongoing forearm pain from repeated gripping, lifting, or arm use when the exact tendon is unclear.	There isn’t clear goalkeeper-/forearm-specific evidence that just participating in handball goalkeeping prevents forearm overuse pain. By default, sport participation alone isn’t strong enough to claim prevention for this specific condition.	[57]
General foot or ankle pain	low	Ongoing foot or ankle pain when the exact structure or diagnosis is unclear.	Some adaptation is likely (low), but without specific preventive protocols assumed, it’s not strong.	[53]
General hip or groin pain	none	Ongoing hip or groin pain when the exact structure or diagnosis is unclear.	No sport-only prevention evidence was used for groin/hip pain in goalkeepers. Default none.	—
General knee pain	none	Ongoing knee pain when the exact structure or diagnosis is unclear.	No sport-only prevention evidence; default none.	—
General lower-back pain	none	Ongoing lower-back pain when the exact source is unclear.	No sport-only prevention evidence used; default none.	—
General lower-leg pain	none	Ongoing shin or calf pain when the exact diagnosis is unclear.	Default none.	—
General shoulder pain	medium	Ongoing shoulder pain when the exact structure or diagnosis is unclear.	Exercise-based and modifiable-risk-factor approaches for shoulder injuries show benefit in handball/overhead contexts, but even prevention programs can be limited versus usual warm-up. Since we don’t assume extra rehab beyond normal play, the preventive effect is medium.	[60] [61]
General wrist or hand pain	low	Ongoing wrist or hand pain when the exact structure or diagnosis is unclear.	Some protective adaptation is possible, but since impacts remain frequent, prevention is low rather than medium/high.	[63]
Golfer's elbow	none	Pain on the inside of the elbow linked to overload in the forearm tendons.	No evidence provided that standard goalkeeper participation prevents golfer’s elbow. Since the condition is tendon-specific and typically needs targeted load/strength approaches, prevention is none.	[57]
Groin strain	none	A pulled or irritated groin muscle, often felt in cutting, sprinting, or kicking movements.	No evidence for sport-only prevention; default none.	—
Hip flexor strain	none	A strain or overload in the front-of-hip muscles that help lift the leg.	Default none for sport-only prevention of a specific strain type.	—
Side-of-hip tendon pain	none	Irritation of the hip or gluteal tendons around the outer side of the hip.	Default none without specific evidence.	—
Lower-back disc irritation	none	Lower-back pain that may involve irritation of a spinal disc and sometimes pain spreading into the leg.	Default none.	—
Mechanical lower-back pain	none	Common lower-back pain related to movement, loading, stiffness, or irritated supporting tissues.	Default none.	—
Meniscus injury	none	Irritation or tearing of the knee cartilage that helps cushion and stabilize the joint.	No evidence for sport-only prevention; default none.	—
Jumper's knee (patellar tendinopathy)	none	Pain and irritation in the tendon just below the kneecap.	Default none.	—
Front-of-knee pain (patellofemoral pain)	none	Pain around or behind the kneecap that often flares with repetitive knee bending.	Default none.	—
Heel pain (plantar fasciitis)	low	Irritation of the tissue under the foot that often causes pain near the heel.	Some conditioning adaptation is plausible (low), but plantar-fasciitis-specific prevention evidence for goalkeeping isn’t established; therefore low.	[53]
Rotator cuff irritation	medium	Pain and overload in the shoulder muscles and tendons that help control arm movement.	Exercise-based shoulder programs show some benefit in overhead sports/handball contexts, supporting medium prevention. Without assuming extra targeted program adherence, not high.	[62] [65]
Shin splints	none	Exercise-related pain along the shin that often appears when impact load rises too quickly.	Default none.	—
Shoulder impingement-type pain	medium	Shoulder pain that appears when tissues feel pinched or irritated during arm elevation.	Exercise-based shoulder prevention strategies show some effectiveness, but not always clearly better than usual warm-up. With sport-only assumption, prevention is medium.	[62] [65]
Shoulder instability or dislocation	low	A shoulder that has slipped out, partly slipped out, or feels unreliable in vulnerable positions.	Some prevention potential exists through shoulder control adaptations (low), but no instability-specific evidence was used for goalkeepers; thus low rather than none.	[59]
Back stress reaction (spondylolysis)	none	A stress injury in the back often linked to repeated extension and rotation loading.	Default none.	—
Tennis elbow	none	Pain on the outside of the elbow linked to overload in the wrist and forearm tendons.	No clear tennis-elbow-specific prevention evidence for goalkeepers was used. Therefore prevention defaults to none.	[57]
Shin bone stress injury	none	Stress irritation in the tibia from repeated impact that has outpaced recovery.	Default none.	—
Wrist sprain	low	A stretched or irritated wrist ligament, often after a fall, impact, or awkward bend.	Some prevention potential exists via mechanics, but impacts remain; hence low prevention.	[63]
Wrist tendon pain	none	Irritation of wrist tendons from repeated gripping, racquet use, lifting, or supporting body weight.	Default none for sport-only prevention of a specific overuse tendon condition.	—

Heal

Factor	Value	Definition	Full reasoning	Sources
Achilles tendon pain (tendinopathy)	none	Pain and irritation in the Achilles tendon at the back of the ankle.	No evidence supports that normal goalkeeper practice reliably heals Achilles tendinopathy without load management. Heal is none.	[52]
ACL injury	none	A major ligament injury inside the knee, often linked to pivoting, landing, or sudden deceleration.	Sport-only healing is not supported; heal none.	—
Ankle sprain	none	A stretched or torn ankle ligament, usually after the foot rolls awkwardly.	No evidence that sport-only continuation heals ankle sprains reliably; ongoing high-demand exposure can worsen symptoms. Heal set to none.	[55]
Calf strain	none	A pulled or overloaded calf muscle, often felt during pushing off, sprinting, or jumping.	Default none.	—
Finger or hand impact injury	none	Pain from jamming, bending, or striking the fingers or hand during sport.	No evidence supports sport-only healing for finger/thumb impact injuries. Therefore heal none.	—
General forearm overuse pain	none	Ongoing forearm pain from repeated gripping, lifting, or arm use when the exact tendon is unclear.	No evidence indicates that routine goalkeeper play (without targeted rehab/load reduction) reliably heals forearm overuse pain. Continued intense impacts/reactive gripping can maintain symptoms, so heal is none.	[54]
General foot or ankle pain	none	Ongoing foot or ankle pain when the exact structure or diagnosis is unclear.	No evidence supports sport-only healing for general foot/ankle pain; ongoing loading can maintain symptoms, so heal none.	[52]
General hip or groin pain	none	Ongoing hip or groin pain when the exact structure or diagnosis is unclear.	No evidence supports sport-only healing for existing hip/groin pain; heal none.	—
General knee pain	none	Ongoing knee pain when the exact structure or diagnosis is unclear.	No evidence for sport-only healing; heal none.	—
General lower-back pain	none	Ongoing lower-back pain when the exact source is unclear.	No evidence for sport-only healing; default none.	—
General lower-leg pain	none	Ongoing shin or calf pain when the exact diagnosis is unclear.	No evidence for sport-only healing; default none.	—
General shoulder pain	low	Ongoing shoulder pain when the exact structure or diagnosis is unclear.	No evidence is provided that ongoing goalkeeper play heals shoulder pain reliably. Because continued exposure can aggravate overuse/impingement patterns, healing benefit is limited (low).	[62]
General wrist or hand pain	none	Ongoing wrist or hand pain when the exact structure or diagnosis is unclear.	No evidence indicates sport-only continuation heals wrist/hand pain reliably; heal none.	—
Golfer's elbow	none	Pain on the inside of the elbow linked to overload in the forearm tendons.	No evidence indicates sport-only participation reliably heals medial epicondylalgia. Therefore heal is none.	[57]
Groin strain	none	A pulled or irritated groin muscle, often felt in cutting, sprinting, or kicking movements.	No evidence supports sport-only healing of groin strains; heal none.	—
Hip flexor strain	none	A strain or overload in the front-of-hip muscles that help lift the leg.	No evidence supports sport-only healing; heal none.	—
Side-of-hip tendon pain	none	Irritation of the hip or gluteal tendons around the outer side of the hip.	Default none for sport-only healing.	—
Lower-back disc irritation	none	Lower-back pain that may involve irritation of a spinal disc and sometimes pain spreading into the leg.	Default none.	—
Mechanical lower-back pain	none	Common lower-back pain related to movement, loading, stiffness, or irritated supporting tissues.	No evidence for sport-only healing; default none.	—
Meniscus injury	none	Irritation or tearing of the knee cartilage that helps cushion and stabilize the joint.	No evidence for sport-only healing; heal none.	—
Jumper's knee (patellar tendinopathy)	none	Pain and irritation in the tendon just below the kneecap.	Default none.	—
Front-of-knee pain (patellofemoral pain)	none	Pain around or behind the kneecap that often flares with repetitive knee bending.	Default none.	—
Heel pain (plantar fasciitis)	none	Irritation of the tissue under the foot that often causes pain near the heel.	No evidence that normal sport participation reliably heals plantar fasciitis; heal none.	[54]
Rotator cuff irritation	low	Pain and overload in the shoulder muscles and tendons that help control arm movement.	No direct evidence supports that playing normally heals rotator cuff irritation. Because continued exposure can aggravate, healing effect is low.	[62]
Shin splints	none	Exercise-related pain along the shin that often appears when impact load rises too quickly.	Default none.	—
Shoulder impingement-type pain	low	Shoulder pain that appears when tissues feel pinched or irritated during arm elevation.	No evidence suggests normal goalkeeping heals shoulder impingement. With potential aggravation, heal is low.	[62]
Shoulder instability or dislocation	none	A shoulder that has slipped out, partly slipped out, or feels unreliable in vulnerable positions.	No evidence supports sport-only healing of instability/dislocation. Heal none.	—
Back stress reaction (spondylolysis)	none	A stress injury in the back often linked to repeated extension and rotation loading.	Default none.	—
Tennis elbow	none	Pain on the outside of the elbow linked to overload in the wrist and forearm tendons.	No evidence suggests normal goalkeeper play heals tennis elbow reliably. Heal is none.	[57]
Shin bone stress injury	none	Stress irritation in the tibia from repeated impact that has outpaced recovery.	Default none.	—
Wrist sprain	none	A stretched or irritated wrist ligament, often after a fall, impact, or awkward bend.	No evidence for sport-only wrist-sprain healing; heal none.	—
Wrist tendon pain	none	Irritation of wrist tendons from repeated gripping, racquet use, lifting, or supporting body weight.	No evidence that sport-only continuation heals tendinopathy; heal none.	—

Past-sport transfer logic

Past sport	Average correlation (success)	Std dev	Correlation reasoning	Correlation sources
american-football-defensive-back	0.14	0.11	Carry-over from American football defensive back success to handball goalkeeper success should be modestly positive. Both roles share general defensive athletic traits—rapid reaction, anticipation, and re-positioning under pressure. However, handball goalkeeper performance is strongly limited by handball-specific shot-stopping/catching technique, dive timing mechanics, and reading close-range shooting cues within handball rules. Defensive back training does not directly cultivate these specialized goalkeeper skills. Therefore the overall correlation should remain low-to-moderate with meaningful individual variation depending on prior handball exposure and general catching/throwing skills.	[66] [67] [68] [69]
american-football-line-player	0.29	0.13	We compare success as an American football line player (collision-heavy, power/leverage/short-area force; also operating in chaotic, opponent-driven situations) to success as a handball goalkeeper (close-range, highly time-constrained saves; heavily dependent on anticipation, visual search, and decision-making under uncertainty). Shared determinants raising correlation: - Both roles require operating under fast, opponent-driven stimulus changes. - Football research suggests that key perceptual/visual-reaction components are present across football positions, implying a non-zero baseline advantage for new reactive sports (supporting positive correlation). - Handball goalkeeper-related performance depends strongly on anticipation and perceptual training effects, which can overlap with the perceptual substrate athletes gain in open/chaotic sports. Why correlation is only moderate (not high): - Goalkeeping has sport-specific action/affordances: stick/arm/body positioning, timing of blocks/dive mechanics, and reading handball-specific shot cues differ from football line engagement mechanics. - Transfer literature indicates prediction weakens when action systems and information sources differ substantially, even if perceptual skills overlap. Using this, a realistic Bayesian point estimate is r ≈ 0.29 with uncertainty ~0.13 (positive carryover, but capped by sport-specific goalkeeper mechanics and cue structure).	[70] [71] [72] [73]
american-football-linebacker-tight-end	0.22	0.11	Linebacker and tight end success should correlate positively with handball goalkeeper success because both roles share athletic foundations and perceptual demands: quick anticipation, maintaining balance while reacting, and strong whole-body coordination under pressure. However, handball goalkeeper performance is dominated by highly technique- and position-specific skills—close-range save mechanics (catch/block/deflect timing), controlling angles and staying aligned with the shooter, and executing the correct low-position lateral movements and dives. These technical determinants are not typically the limiting factor in LB/TE development, which is more centered on tackling/blocking leverage and short explosive collision-based actions. Therefore carryover is expected to be modest (positive but not high): general athletic/reaction ability transfers somewhat, but goalkeeper success is mostly driven by goalkeeper-specific saving technique and repetition.	[74] [75] [76]
american-football-quarterback	0.31	0.15	We estimate the correlation between past success as an American football quarterback and future success as a handball goalkeeper. Shared skill/learning drivers that push the correlation up: - Perceptual-cognitive processing under time pressure: both roles depend on extracting early cues and responding correctly while uncertainty is high. - Anticipation and visual search: handball goalkeeper research shows performance relates to how experts use visual information and anticipation; QB success similarly depends on reading the field and reacting. - Reaction/response efficiency: both positions require very fast sensorimotor responses; QB cognitive processing is already tied to this. Non-overlap that pulls the correlation down: - Large sport-specific motor/technique bottleneck: goalkeeper success depends heavily on handball-specific footwork, positioning, diving angles, and stick/ball-contact patterns (not present in QB mechanics). - Different cue structure and action repertoire: QB passing decisions vs goalkeeper save-direction selection use different motion constraints and training distributions. Bayesian synthesis: start with a modest transfer prior for a dissimilar open-skill collision/team invasion sport to a highly specialized interceptive role (~0.20–0.25). Then increase because handball goalkeeper literature explicitly links elite performance to anticipation/visual cue processing and reaction-relevant psychomotor traits (supporting a real shared component). Finally cap below strong levels because the goalkeeper-specific motor-technique bottleneck is substantial. This yields a mean correlation of ~0.31 with std dev ~0.15, reflecting substantial individual variability (e.g., some QBs are “athletic-reactive” while others are more throwing/read specialists; and goalkeeper training time differs).	[77] [78] [79] [80] [81]
american-football-receiver-running-back	0.1	0.07	Receiver/running back performance should correlate slightly with handball goalkeeper success because both involve: - tracking a fast-moving ball - reacting quickly to short-notice events - explosive lateral/forward movement to reduce shooting angle - maintaining balance while changing body positions under pressure However, handball goalkeeper performance depends strongly on sport-specific technical and tactical skills: precise save-craft (hand placement, leg/pad angles, blocking vs deflecting), anticipation based on shooter body cues, managing the goal-area restrictions, and repeated high-quality repositioning/“read-react” cycles. WR/RB roles do not directly train the goalkeeper’s unique mechanics and decision loops. Therefore the carry-over should be modest and stay near ~0.10 with moderate uncertainty.	[82]
athletics-distance	0.2	0.12	Distance-running success should transfer only weakly to handball goalkeeper success. Shared components are mainly general athletic/behavioral skills: staying alert for long periods, maintaining coordination under fatigue, and disciplined practice habits. However, goalkeeper performance is dominated by highly specific perceptual-motor and decision skills—reading the shooter/ball cues, timing the hands for catches, explosive positioning, and diving mechanics—learned primarily through goalkeeper-specific handball training. Because the dominant determinants are largely non-overlapping, the expected correlation is small but positive (around 0.2), with moderate uncertainty across individuals.	[83]
athletics-jumps-high-jump	0.08	0.07	High-jump success should have a weak relationship with handball goalkeeper success. The positive part comes from general athletic transfer relevant to saves—elastic leg power, balance, and body control for jumping and landing/stabilizing. However, handball goalkeeper performance is dominated by sport-specific open-skill perceptual-motor skills: tracking the ball off a shooter’s release, anticipating shot direction, and executing correct arm/hand and body positioning under pressure. Those are largely absent from high jump. The movement patterns also differ (repeated lateral dives and reactive positioning vs vertical takeoff/bar clearance). So the expected correlation remains small and variable.	[84] [85] [86]
athletics-jumps-long-triple-jump	0.04	0.06	Long/triple jump performance signals explosive lower-body power, elastic recoil, and general coordination/balance. Those can provide a small athletic edge for handball goalkeeper tasks like rapid lateral/vertical movement and maintaining body control during close-range saves. However, goalkeeper success is dominated by highly sport-specific skills: reaction to shot direction, tracking and catching/deflecting technique, correct positioning angles, and decision-making based on attackers’ cues. Because these are largely non-overlapping with jumping-event training, the overall carry-over should be small (near zero but slightly positive) with notable uncertainty across individuals.	[87] [88] [89]
athletics-jumps-pole-vault	0.09	0.07	Pole vault should have a small positive correlation with handball goalkeeper success because both benefit from general athletic attributes like explosive lower-body power, balance, and rapid re-stabilization after dynamic movement. However, goalkeeper performance is dominated by handball-specific perceptual and technical skills: tracking and catching trajectories at speed, choosing optimal body/arm positions for different shot angles, and save/deflection mechanics. Pole vault’s unique motor program (pole plant/inversion and vault landing) does not directly train these. Therefore the expected average carryover is low (roughly ~0.02–0.16), centered around ~0.09 with moderate variance depending on prior ball-handling/catching experience.	[90] [91] [92]
athletics-middle-distance	0.06	0.04	Athletics middle distance and handball goalkeeper share minimal direct technical overlap. Middle-distance performance is dominated by aerobic pacing and running economy, while goalkeeper performance is dominated by handball-specific save technique, shot-reading/timing, close-range positioning, and save-to-distribution execution. Any carry-over is mostly indirect (general coordination, readiness, and ability to maintain movement quality under fatigue), producing a small but slightly positive expected correlation (~0.06).	[93] [94] [95] [96] [97]
athletics-sprints-hurdles	0.16	0.06	Sprint/hurdles can transfer some general components useful to a goalkeeper—fast lateral/forward recovery steps, explosive push-offs, and overall neuromuscular control for rapid repositioning. However, handball goalkeeper success is dominated by ball-specific skills (tracking flight, catching/deflection technique, hand-eye coordination timing specific to a thrown ball) and perceptual-tactical reads about shooting patterns. Because we ignore body-proportion advantages, the remaining overlap is mostly athletic reactivity/footwork, leading to a small-to-low positive correlation rather than a strong one.	[98] [99] [100]
athletics-throws-discus	0.1	0.05	A discus athlete’s performance indicates rotational strength, leverage use, rhythm/timing, and efficient whole-body sequencing into a fast release. Those athletic foundations can provide a small head start for a handball goalkeeper, especially for explosive movement, balance, and body control during dives and recoveries. However, handball goalkeeper success is driven primarily by goalkeeper-specific technical skills (shot-stopping, blocking with arms/body, positioning angles) and perceptual skills (reading the shooter and reacting to rapidly changing shot trajectories). Those are highly sport-specific and not captured by discus throwing mechanics. So the expected carry-over should be small positive. A realistic Bayesian estimate is ~0.10 average correlation with std dev ~0.05, reflecting variability in how much the athlete also trains goalkeeper/hand-eye/reflex skills alongside discus.	[101] [102] [103]
athletics-throws-hammer-throw	0.08	0.05	Hammer throw success suggests strong dynamic balance, coordinated whole-body sequencing, and fast force production. Those can help a handball goalkeeper with athletic diving mechanics and maintaining body control in chaotic movement. However, goalkeeper performance depends heavily on handball-specific interactive skills: reading the shooter and ball trajectory, making correct save decisions, and executing repeated reactive saves with arms/legs in the correct positions while maintaining safe, legal contact. Hammer throw does not train these perceptual-tactical and sport-specific save-technical elements. Therefore the expected correlation is small but likely positive.	[104] [105]
athletics-throws-javelin	0.1	0.07	Javelin performance correlates with strong upper-body speed/power and good whole-body sequencing (legs → trunk → shoulder/arm) which can modestly help a handball goalkeeper with explosive actions like pushing off laterally and generating force for throws/clearances. However, goalkeeper success is mainly determined by highly sport-specific reactive skills: tracking the shooter instantly, positioning the body/arms for saves, catching/deflecting with correct technique, and executing repeated reflex saves in close range. Because those core perceptual-motor and save-mechanics skills have limited overlap with javelin’s throwing release pattern, the carry-over remains small but slightly positive. Expected correlation: small, around ~0.10 average with modest dispersion.	[106]
athletics-throws-shot-put	0.1	0.07	Shot put success reflects maximal-force throwing/displacement mechanics and strong trunk bracing/whole-body power. Handball goalkeeper success is dominated by goalkeeper-native perceptual-motor skills: tracking the ball rapidly, positioning within the frame, and using correct catching/blocking dive mechanics repeatedly while reacting to close-range shots and shooter feints. Those key learned skills overlap only indirectly with shot put. There is still some positive transfer via general explosiveness, balance, and bracing that can help with jump timing and initial dive/recovery. Therefore the correlation should be small but likely slightly positive with meaningful individual variation.	[107] [108] [109] [110]
badminton	0.09	0.06	Badminton success should have a modest positive correlation with handball goalkeeper success because both emphasize (1) tracking a fast, difficult projectile, (2) fast perception–action timing, and (3) explosive lateral/forward repositioning to get set for a save. However, goalkeeper performance is heavily shaped by handball-specific mechanics: saving with the body/arms and stick-like hand positioning rules, reacting to different shot trajectories and speeds (often with bounce/pace differences), and mastering goalkeeper angle/positioning within handball’s geometry and tactics. Those are not trained directly by badminton. So the correlation should be positive but not large—plausibly ~0.05–0.15, centered near ~0.09.	[111]
baseball-catcher	0.16	0.08	Baseball catcher success should show some positive carryover to handball goalkeeper because both positions require: (1) tracking a fast projectile early and reading its path, (2) explosive, technically coached reception/blocking actions under high time pressure, and (3) composure and repeatable pre-action routines. Catcher experience with receiving pitches, blocking balls, and initiating quick returns maps conceptually to goalkeeper “save + reset” cycles, and some general anticipation/decision-making should transfer. But handball goalkeeper performance is driven by highly specific sport mechanics: the exact save shapes for handball (arm/leg positioning, catching vs deflecting), goalkeeper footwork and angle/cover management within the goal area, and reaction skills tailored to handball shot trajectories (fast throws from close distances, bounces off floors/walls, and different release speeds/spins). Catcher blocking/receiving does not train those exact movement patterns or the continuous repositioning demands of handball. Therefore the carryover is expected to be modest (positive, not large) with moderate dispersion: some catchers will adapt well because they’re naturally reflexive and technically precise, while others will be limited by the goalkeeper-specific save technique gap.	[112]
baseball-field-player	0.1	0.08	Baseball field players and handball goalkeepers overlap mainly in reactive defense: both require tracking a projectile quickly, anticipating where it will go, and responding with whole-body coordination under pressure. However, the goalkeeper role in handball is highly specialized. It requires sport-specific save mechanics (pad/leg positioning, catching vs parrying decisions), goalkeeper movement patterns and positioning rules, and handling shots with different ball speed/spin and shot release mechanics than baseball. Because the overlap is mostly perceptual/decision-making rather than handball-specific technique, the carryover should be small-to-modest and variable. A plausible estimate is ~0.10 average with ~0.08 standard deviation, reflecting that some athletes transfer well if they’ve done lots of overhead/catching or defensive reaction practice, while others gain little without targeted goalkeeper training.	[113] [114]
baseball-pitcher	0.13	0.08	Pitcher → handball goalkeeper should yield a small-to-modest positive carryover. The overlap is mainly general: tracking a fast moving ball, reacting quickly, and learning to execute a precise action under high pressure. A pitcher’s deep familiarity with ball trajectories and timing can help early in learning how shots come off in handball. However, handball goalkeeper success is dominated by handball-specific technique: save positioning on a 2D court, body angles/coverages, catching/blocking mechanics without the same constraints as baseball, and dealing with different shot types and tactical patterns. Pitching mechanics and pitch-sequence thinking don’t map directly. With body-proportion traits excluded, the expected average correlation remains modest (around the low teens).	[115] [116] [117]
basketball-big	0.12	0.06	The expected correlation is small but positive. Basketball Big contributes to general defensive skills—tracking the ball/player, anticipating shots, and positioning quickly in a high-traffic area. However, a handball goalkeeper’s decisive determinants are highly technique-specific: specialized save/dive mechanics, angle control, and handball ball behavior and reaction patterns. Since basketball Big does not train the core goalkeeper save system, the predictive value remains low-to-mid tenths.	[118] [119]
basketball-guard	0.12	0.1	Basketball guards and handball goalkeepers share some transferable components: reading the attacker/shooter, tracking a fast-moving ball, reacting quickly, and maintaining balance and efficient footwork for shot-time responses. But handball goalkeeper success is driven heavily by unique, handball-specific skills: how to cover the goal mouth, correct stance/angle set, save and deflect mechanics (including using equipment/arms/body according to handball rules), and controlling rebounds/loose balls. Since those core goalkeeper techniques are not substantially practiced in basketball guard play, the carryover can’t be large. That yields a small positive correlation with substantial variation across individuals depending on how many general “catching/reaction” reps they also get elsewhere.	[120] [121]
basketball-wing	0.18	0.11	Basketball wing excellence should show a modest positive correlation with later handball goalkeeper success due to some transferable reactive perception/coordination for stopping fast shots. However, goalkeeper success is heavily determined by handball-specific technique (positioning in the goal, save repertoire, and reading handball shot mechanics) and different movement constraints. Therefore the carry-over is limited: estimated mean ~0.18 with uncertainty ~0.11.	[122] [123] [124] [125]
boxing	0.17	0.1	Boxing should have a modest-to-moderate positive correlation with handball goalkeeper success, mainly through transferable perceptual-motor and mental skills: reacting quickly, tracking a fast-moving threat, maintaining balance under pressure, and staying composed when shots come suddenly at close range. However, goalkeeper performance is dominated by handball-specific technique—reading shot cues, correct positioning within the frame, dive mechanics, rebound/deflection control, and timing of saves with handball ball trajectories. Boxing’s striking/guard mechanics do not directly train those primitives. Therefore the expected correlation is positive but not large, with substantial person-to-person variance.	[126] [127] [128] [129] [130]
climbing-bouldering	0.08	0.07	Bouldering success reflects strong body tension/bracing, balance, proprioception, and coordination under difficult body positions. Those can transfer to handball goalkeeping in the form of stable set positions, efficient whole-body re-positioning, and maintaining control while moving/reacting. However, a handball goalkeeper is judged mostly on highly sport-specific skills: tracking the ball off the shooter, correct positioning in the goal frame, precise hand/arm mechanics for catching/blocking, and diving/landing choices optimized for handball shot trajectories and rules. Bouldering does not train these direct ball-contact and save-mechanics determinants. So the relationship should be positive but still small, with meaningful variability depending on how well a bouldering athlete adapts to ball-tracking and save technique quickly.	[131] [132] [133]
climbing-lead	0.12	0.07	Lead climbing success depends on efficient movement economy, precise body positioning, and maintaining technique under pump/grip fatigue. A handball goalkeeper also requires excellent body control and the ability to keep technique reliable under high-intensity pressure. However, the key determinants for a goalkeeper are primarily handball-specific: tracking and reading fast shots, timing the hands/feet for saves, catching/deflecting mechanics, explosive diving and recovery, and positioning/reacting within live play. Lead climbing’s primary interaction is with the rock via friction and bracing, not with a fast moving ball or opponent-driven decision cycles. Because there is some general motor-control and discomfort/fatigue tolerance overlap but limited technical/mechanical overlap, the expected correlation should be low but positive. Bayesian-style estimate: mean ≈ 0.12 with std dev ≈ 0.07 (substantial individual variability depending on prior ball-sport/goalkeeping exposure).	[134]
climbing-speed	0.1	0.07	Climbing speed performance reflects explosive upward acceleration, tight body tension control, balance, and the ability to execute a fast, repeatable movement pattern under time pressure. A handball goalkeeper also needs explosive movement (dives/steps), coordinated positioning, and the ability to stabilize and recover quickly. However, the determinants of goalkeeper success are largely handball-specific: reacting to close-range shots with correct save technique, managing arm/hand positioning and body angle, reading shooter cues, and making decisions under live play constraints. Those skills have low overlap with the hold-based, vertical acceleration mechanics of climbing speed. So the expected carry-over is small but not zero—around ~0.08–0.12.	[135] [136] [137]
cricket-all-rounder	0.2	0.11	Cricket all-rounder success should correlate positively with handball goalkeeper success because of shared perceptual-motor demands: tracking fast projectiles, quick hand/arm coordination, and making reactive saves while maintaining balance under pressure. However, goalkeeper is a specialized role in handball with unique save mechanics, footwork, and reading cues tied to handball shooting patterns—technique that cricket does not directly develop. With body-size/reach advantages excluded, the remaining learnable/mentality overlap suggests a modest positive correlation around ~0.2.	[138] [139] [140] [141] [142]
cricket-batter	0.2	0.09	Cricket batter success depends strongly on hand–eye coordination, tracking a moving ball early, and timing a whole-body action with stable lower-body mechanics. A handball goalkeeper’s success also relies on visual tracking, rapid reaction timing, and coordinated whole-body positioning to cover the goal and respond to close-range shots. There is meaningful overlap at the perceptual-motor level: anticipating a ball’s line, coordinating hands/arms with body positioning, and maintaining focus and repeatability under pressure. But the core learned motor programs differ: cricket is bat striking, not catching/deflecting/covering with specific goalkeeper body angles; handball involves goalkeeper-specific save technique (shot angle coverage, crouch mechanics, rebound control, distribution/first throw to restart play). Because of this, cricket batting should predict only moderate success in handball goalkeeper performance, with substantial scatter.	[143]
cricket-bowler	0.12	0.08	Cricket bowler → handball goalkeeper should be weak-to-modestly positive. The direct motor technique overlap is limited (overarm delivery vs close-range save mechanics), but there is meaningful cognitive/perceptual overlap: reading ball/shot cues early and reacting quickly and consistently under time pressure. Goalkeeper success is still dominated by highly specific saving/coverage technique, limiting transfer. A Bayesian point estimate around 0.12 with std dev ~0.08 reflects “small advantage via anticipation and reaction,” with a capped ceiling due to goalkeeper-specific technique requirements.	[144] [145] [146] [147] [148]
cricket-wicketkeeper	0.22	0.14	Cricket wicketkeeper success should have a moderate positive relationship with handball goalkeeping success because both are specialized reactive roles requiring fast visual tracking, anticipation, and reliable close-range shot blocking/deflection from a ready stance. However, handball goalkeeper performance is strongly shaped by handball-specific mechanics (goal-area positioning, dive/landing technique, catching/deflecting style, and clearance decisions under handball rules) and different shot/ball dynamics than wicketkeeping. Therefore the carryover should be moderate rather than high.	[149] [150] [151] [152]
cycling-mountain-bike-cross-country	0.06	0.06	Mountain bike cross-country should have only a weak positive correlation with future handball goalkeeper success when ignoring body-size traits. The main transfer is general athleticism: balance/proprioception, body control, and the habit of staying coordinated through fatigue—useful for moving efficiently in the goal area. However, goalkeeper performance is heavily driven by handball-specific technique: hand-eye timing for saves, catching/blocking mechanics, shot anticipation, and precise lateral/jumping/landing positioning. MTB XC does not train these directly, so the expected carry-over remains small rather than moderate.	[153] [154] [155]
cycling-road-climber	0.04	0.06	Cycling road climber performance depends mainly on sustained aerobic power-to-weight, pacing, and efficient repetitive lower-body force production. Handball goalkeeper performance depends heavily on goalkeeper-specific perceptual-motor skills: rapid reaction/anticipation, correct positioning, lateral movement explosiveness, and precise catching/deflection technique. These do not overlap much with climbing cycling technique. Therefore the expected correlation is very small and close to the lower end, with some indirect positive contribution from general conditioning and coordination and substantial person-to-person variability depending on extra ball-sports experience.	[156] [157] [158] [159]
cycling-road-sprinter	0.08	0.06	Cycling road sprinter performance should have a weak positive correlation with handball goalkeeper success when focusing on technique/skill transfer only. There is some overlap in attentional readiness and anticipating play under fatigue, but goalkeeper outcomes are dominated by highly specific diving/shot-handling and position/footwork skills with low overlap to cycling sprint technique. Therefore the expected carry-over correlation is small (around 0.08) with moderate uncertainty.	[160] [161] [162] [163]
cycling-road-time-trialist	0.05	0.07	Cycling road time-trial success should have only a very weak positive relationship with handball goalkeeper success. The overlap is mostly general athletic conditioning (endurance for training volume, some lower-body strength/power for diving/landing, and mental toughness). However, handball goalkeeper performance is dominated by highly specific perceptual-motor skills—reading shot cues, staying square to the ball, rapid lateral/forward positioning, and precise hand timing for catching and deflecting at close range. Since cycling time trial training does not meaningfully practice those reactive glove/arm timing and dive mechanics, most of the variance in goalkeeper outcomes should be largely independent of TT results, producing a low correlation with relatively high between-person variability.	[164] [165] [166]
cycling-track-endurance	0.05	0.04	Cycling endurance should have only a very small positive relationship with later handball goalkeeper success. The only meaningful carry-over is general athletic preparation: being able to train consistently, keep coordination under fatigue, and sustain repeated high-output efforts during practice and matches. Handball goalkeeper performance, however, is largely determined by goalkeeper-specific technical and perceptual skills—reacting to close-range shots, correct dive timing and angles, catching/deflecting technique, and rapid positioning based on shot trajectories and attacker reads. Those skills have limited overlap with velodrome endurance cycling. Hence the expected carry-over correlation is low, around ~0.02–0.10, with an average near 0.05 and moderate uncertainty.	[167]
cycling-track-sprint	0.05	0.1	Cycling sprint track provides some general athletic carry-over (quick bursts, leg drive, ability to repeat intense efforts) that can support goalkeeper movement. But handball goalkeeper performance is dominated by highly sport-specific technical skills: shot-stopping positioning, catching/deflection mechanics, dive timing, and ball-trajectory anticipation in a continuously changing opponent environment. Those are not meaningfully trained by velodrome sprint cycling, so the expected carry-over is only weakly positive. A plausible estimate is ~0.05 with uncertainty ~0.10.	[168] [169] [170]
fencing-epee	0.16	0.1	Epee-to-handball goalkeeper should show a modest positive correlation because both involve (1) reading an opponent’s intent from small cues, (2) reacting quickly, and (3) using coordinated whole-body movement to get into the correct position at the right moment. A skilled epee fencer typically has strong distance/angle judgment and reactive footwork, which can translate to initial goalkeeper positioning and save reaction quality. However, handball goalkeeper performance is dominated by event-specific tool mechanics and tasks: catching/deflecting a fast, bouncing ball with specific body and arm/hand positioning, managing ball trajectory affected by throw type/spin, and repeatedly executing complex save techniques in a continuous team context. Epee doesn’t train those ball-handling/deflection mechanics, so the carry-over can’t be large. Net estimate: ~0.16 with a moderate-to-wide spread (some people transfer very well perceptual/reactive aspects, while others need substantial goalkeeper-specific practice).	[171] [172] [173]
fencing-foil	0.2	0.13	Foil fencing should correlate positively with handball goalkeeper success because both reward transferable, technique-neutral skills: reading an opponent’s intent early, executing timed explosive movements, and maintaining precision and composure during repeated high-stakes actions. The correlation is not high because the goalkeeper’s decisive determinants are highly sport-specific: tracking the ball’s flight off the shooter’s hand, using the correct save/deflection technique with the body/arms/feet, and managing reactive lateral movement within handball’s rules. Foil’s lunge/point-control mechanics and non-contact target interaction only indirectly overlap. So a modest positive correlation with substantial variance is realistic: some athletes translate fencing’s reaction/timing skill well to goalkeeping, while others are limited by learning ball-tracking and goalkeeper-specific save mechanics.	[174] [175] [176]
fencing-sabre	0.11	0.12	Fencing sabre and handball goalkeeping share some transferable technique/skills: fast perception of the attacker’s cues, rapid response to close-range actions, and coordinated explosive movement to cover space and block/interrupt an attack. However, handball goalkeeper success is dominated by highly sport-specific mechanics: save technique with hands/pads at different shot angles, diving/positioning within the goal frame, reading ball flight after a throw on fast transitions, and distribution/throw timing. Those key determinants are not meaningfully trained in sabre fencing. Therefore carry-over should be low—positive, but not large.	[177]
field-hockey-goalkeeper	0.4	0.15	Both positions are specialized goalkeepers tasked with reacting to close-range shots, maintaining coverage of a defined goal/frame, and making rapid decisions under pressure. That creates substantial overlap in perceptual-cognitive and positioning skills: tracking a small fast-moving projectile, anticipating shot direction from early cues, getting to the right set position, and executing quick lateral/forward movements. However, the core technical save systems differ. Field hockey goalkeeping emphasizes stick/leg shot-stopping and goal-area positioning against stick-struck balls; handball goalkeeping emphasizes hand-based parries/catches, torso/arm alignment, rebound control, and sport-specific defensive movement constraints. Because technique transfer is incomplete, the correlation should be moderate rather than very high. Net: a moderately positive correlation in success between the two goalkeeper roles, with meaningful but not dominant technical carry-over and considerable individual variation in how well someone adapts to the different save mechanics.	[178] [179] [180] [181]
field-hockey-outfield	0.3	0.15	Field-hockey outfield success should have a moderately positive but not strong correlation with handball goalkeeper success. The shared transferable component is primarily perceptual-cognitive: anticipating where shots/attacks will come from, tracking the ball early, and reacting under pressure while communicating/organizing defensively. But goalkeeper technique is highly specialized in handball: saving depends on hand use, dive mechanics, close-range reaction timing, and coverage/positioning patterns specific to handball’s ball flight and goal dimensions. Hockey outfield play does not train those direct save mechanics (and involves stick-ball control rather than bare-hand projectile reception). So the correlation is positive but limited, plausibly around ~0.15–0.45, with moderate uncertainty.	[182] [183]
golf	0.06	0.05	Golf success should have a small but non-zero correlation with handball goalkeeper success (with physical-trait effects excluded). The carry-over is mainly general: attention, technique learning, and some visual tracking/timing skills. However, handball goalkeeper performance is dominated by highly specific motor patterns and reactive skills—diving, blocking/catching mechanics, rapid recoveries, and responding to close-range, opponent-driven shot variety—so golf does not train these well. Thus the overall correlation remains modest.	[184] [185] [186] [187] [188]
gymnastics-artistic	0.18	0.08	Artistic gymnastics should correlate positively with handball goalkeeper success because there is meaningful overlap in transferable technique components: low-body and trunk control, balance recovery, controlled dives/landings, and rapid re-positioning. Gymnastics also supports strong spatial-temporal calibration for interceptive actions. However, handball goalkeeper performance is dominated by handball-specific determinants: learning to block with the correct body/hand angles, diving mechanics suited to handball ball speeds/spins, reading shooter intent from close range, and handling the ball after saves under handball rules. Since these are not directly trained in artistic gymnastics, the carryover should be modest rather than high.	[189] [190] [191]
gymnastics-rhythmic	0.1	0.09	Rhythmic gymnastics should correlate positively with handball goalkeeper success through transferable prerequisites: excellent balance, proprioception, and fluid whole-body coordination that support fast repositioning, stable body angles, and controlled recoveries when reacting to close-range shots. However, goalkeeping performance is strongly constrained by handball-specific skills: hand-eye coordination for tracking and catching/deflecting the ball, timing of glove/arm positioning, anticipation of shooter intent, and rule-constrained save techniques (diving, blocking, and recovering). Rhythmic gymnastics does not provide comparable practice for those adversarial stimulus-response loops. Therefore the expected carryover is small but positive. A plausible Bayesian mean is around 0.10 with substantial uncertainty (~0.09).	[192] [193] [194] [195]
gymnastics-trampoline	0.16	0.1	Trampoline should correlate positively but only modestly with handball goalkeeper success. The carryover is mainly general neuromotor skill: balance, proprioception, and the ability to control body position through dynamic movements—helpful for dives, landings, and quick resets. However, elite goalkeeper performance is dominated by handball-specific perceptual-motor skills: tracking the ball at close range, using the correct arm/hand technique for saves, and executing opponent-dependent decisions governed by the game context. These elements aren’t directly trained in trampoline, so the overall correlation should remain small-to-modest, around ~0.16, with substantial uncertainty.	[196] [197] [198] [199]
handball-backcourt	0.65	0.15	Backcourt and goalkeeper are different positions, but they are the same sport and share core transferable technique/skill components: - Same ball physics and throwing/striking cues; both require fast ball tracking. - Strong hand-eye coordination and timing. - Reading opponent intentions and shot trajectories. - High-pressure decision-making and concentration. The main reason correlation isn’t extremely high (e.g., 0.85–0.95) is technical specificity: goalkeeper performance depends strongly on crouched set-up, save positioning/angles, diving mechanics, rebound control, and managing incoming shots with pads/legs/arms—skills not trained in backcourt. Still, because the sport context and ball-tracking/timing fundamentals strongly overlap, a high positive correlation is plausible, around ~0.65 with substantial individual variability.	[200]
handball-pivot	0.7	0.12	Pivot and goalkeeper in handball are very different roles mechanically (offense battling/layoffs/shot generation vs defensive saves and positioning in the goal), but they share core handball skill components: (1) reading ball trajectory and attacker intent early, (2) anticipation and rapid decision-making under pressure, and (3) understanding angles/spacing relative to the goal. Because this is the same sport, the underlying perceptual-cognitive and timing learning generalizes better than across sports. That supports a fairly high positive carryover. It is not near-perfect because goalkeeping requires sport-specific technique not learned as a pivot—save footwork/stance, reacting with the arms/legs to different shot types, and mastering goalkeeper-specific positioning/coverage angles and rules. Thus a moderately-high correlation is plausible.	[201]
handball-wing	0.22	0.12	Wing and goalkeeper are both within handball, so some core “technique-relevant” skills transfer: ball-tracking, understanding offensive intent/shot angles, and reacting quickly under pressure. Being a good wing can give you intuition about how shooters generate angles and pace, which can help anticipation as a goalkeeper. However, the goalkeeper has highly specialized technique: positioning within the goal frame, footwork and body shapes for blocking/catching, and saving mechanics that are fundamentally different from wing finishing and throwing. Also, goalkeepers face a different movement/decision profile (more reactive frame coverage vs offensive transitions). Those differences keep the correlation moderate rather than high.	[202] [203] [204]
ice-hockey-defenseman	0.2	0.12	Ice hockey defenseman success should correlate with handball goalkeeper success at a moderate level because both are strongly shaped by perceptual-motor skills: tracking the projectile, reacting quickly to close-range shots, anticipating shot direction/pace, and maintaining disciplined positioning to cover the goal. However, the sport-specific save/goalkeeper techniques differ substantially: handball goalkeeper play depends on catching/blocking with hands, specific footwork/jumps on a court, and ball-handling constraints, while hockey defense success is rooted in skating/contact positioning and stick/puck-related actions. Because the correlation is about skill/learning transfer (not body type), the remaining overlap is mainly cognitive/perceptual and role-organization rather than direct mechanics. That caps the correlation in the low-to-mid 0.2 range rather than near-similarity.	[205] [206] [207] [208]
ice-hockey-forward	0.12	0.07	Ice-hockey forwards and handball goalkeepers overlap mainly in perceptual/decision components: tracking a projectile rapidly, anticipating trajectory, and reacting quickly. That supports a small-to-modest positive correlation. However, goalkeeper performance is dominated by goalkeeper-specific technique and movement: correct positioning within the goal, low/high trajectory reads, save body angles, catching/blocking mechanics, and coordinating defense. Ice-hockey forward technique (skating + stick/puck handling and chance creation) does not train those save mechanics directly. Therefore the carryover should remain modest rather than high.	[209] [210] [211]
ice-hockey-goalkeeper	0.55	0.18	Ice hockey goalkeepers and handball goalkeepers share a large portion of the technical skill “core” required for success: track a fast incoming ball, anticipate the shooter’s intent, choose correct positioning/angles, and react rapidly to close-range shots while maintaining coverage of the goal frame. Both roles also develop strong composure after quick events and rely on repeatable pre- and post-shot body positioning. The correlation is unlikely to be extremely high (e.g., near 0.9) because sport-specific equipment and mechanics differ: in ice hockey the save is executed with a stick and body shape around a puck traveling on ice, while in handball the ball flight, bounce/hand control, and the specific way the keeper covers/uses hands and blocks varies substantially. Also, handball involves different rules for contact, shot types, and typical shooting trajectories. Still, because you are comparing goalkeeper-to-goalkeeper, expected carry-over should be high-to-moderate: around the mid-0.5 range with meaningful variation across individuals depending on how quickly they learn the unique hand/ball catching-and-block techniques for handball.	[212]
judo	0.2	0.12	Judo and handball goalkeeping overlap mainly in general, technique-relevant capacities: (1) balance and posture control while being displaced, (2) quick body reorientation and explosiveness for reactive movements, and (3) comfort with contact/awkward landings and protecting oneself (useful when dropping, diving, or absorbing momentum). However, handball goalkeeper performance is strongly determined by sport-specific mechanics: tracking a fast ball, choosing the correct positioning/angles, catching/deflecting with proper arm/hand technique, and learning how saves must be executed within the handball rules and shooting types. These are not trained in judo. So a good judoka should have a noticeable—but not dominant—advantage in learning goalkeeping movement quality quickly, yielding a modest correlation around the low-to-mid 0.2 range.	[213] [214]
lacrosse-attacker	0.12	0.11	Lacrosse attacker performance should have a modest positive association with handball goalkeeper success due to shared perceptual-motor qualities: tracking the ball quickly, reacting explosively in close range, and maintaining coordination under pressure. However, goalkeeper success is dominated by handball-specific mechanics—save positioning, dive timing/angles, and the distinct ways the ball is received/blocked/deflected under handball rules. Lacrosse attacker skills don’t directly encode these goalkeeper mechanics, so the correlation stays modest with fairly high variance across individuals.	[215] [216] [217]
lacrosse-defender	0.12	0.08	A lacrosse defender’s success should correlate positively with handball goalkeeper success, but only modestly. The overlap is real in perceptual-tactical skills: anticipating where shots will come from, positioning the body relative to space/angles, and reacting under pressure in congested play. However, the dominant determinants of handball goalkeeper performance are handball-specific saving mechanics: optimal starting stance, dive direction and timing, limb positioning (arms/legs/trunk), and learning the distribution of shot types and release velocities in handball. Lacrosse defense uses a stick for checks and disrupts with different contact and ball-control rules; it does not train the exact save and reaction mechanics required in handball. Therefore most of the variance in goalkeeper performance remains specific to handball, keeping the correlation low-to-modest.	[218]
lacrosse-goalkeeper	0.32	0.11	This should be a fairly strong positive correlation because both are true “specialist shot-stopping goalkeeper” roles. The core transferable skills—reading the shooter, tracking rapid ball movement, anticipating trajectory, positioning to reduce angles, and reacting quickly under pressure—map well between lacrosse and handball. The correlation is not near-perfect because the technical means of saving differ: lacrosse goalkeeping centers on stick-based catching/blocking and specific body positions, while handball goalkeeping is dominated by hand/arm/leg blocking, footwork inside the crease/frame, and handball-specific rules. Those mechanics create a meaningful ceiling.	[219] [220] [221] [222]
lacrosse-midfielder	0.18	0.09	Lacrosse midfield success should correlate positively with handball goalkeeper success because both depend on real-time visual tracking, rapid reaction, and anticipation/positioning in congested, fast-changing situations. Midfielders also deal with frequent close-range contests and must judge trajectories quickly. But handball goalkeeper performance is strongly constrained by goalkeeper-specific technique: how you hold/block/deflect with arms and legs, dive mechanics, rebound control, and the sport’s particular ball and shot dynamics. Lacrosse stick-based catching/defending does not directly train those core stop mechanics. Therefore the carry-over is modest (not very high): enough for a noticeable head start in perception/decision-making, but limited by the need to learn handball goalkeeper mechanics and calibration. An average around ~0.18 with a fairly wide spread is a reasonable Bayesian estimate.	[223] [224] [225] [226]
padel	0.12	0.07	Padel success should show a modest positive relationship with handball goalkeeper success because both demand fast visual tracking, strong timing of the first reaction, and maintaining concentration through frequent shot-like events. But the goalkeeper’s core skills are strongly handball-specific: save technique (dive angles, jump timing, hand/arm positioning, contacting the ball correctly), reacting to different shot release patterns and ball bounce/skip behavior, and coordinating footwork and positioning within the goal area. Padel’s contact is racket-to-ball with angled rebounds; it does not train the goalkeeper’s repeated catching/blocking and reactive dive mechanics in the same way. So transfer should be modest with substantial variance across individuals.	[227]
pickleball	0.09	0.06	Pickleball success should correlate positively with handball goalkeeping through shared perceptual-motor skills: tracking the incoming object, reacting quickly, and maintaining coordinated lateral positioning. However, the goalkeeper’s decisive technique—catching/shot-blocking/timing with hands, diving mechanics, and angle-specific positioning—is highly handball-specific and not trained by paddle striking. Shot-cue structure and team-defensive context also differ. Overall, the expected correlation is small-to-moderate, around ~0.09 with fairly high uncertainty.	[228] [229] [230] [231] [232]
rowing-lightweight	0.06	0.05	Lightweight rowing is expected to have only a small positive correlation with handball goalkeeper success. The transferable elements are mostly general: whole-body coordination, balance/postural control, and staying technically consistent through repeated high-effort actions over a match. However, the key determinants of a top goalkeeper are highly handball-specific: tracking a ball coming off an opponent’s release at varying speeds/spins, reactive timing to shots at very short distances, catching/blocking technique, stance and lateral movement patterns, and diving/landing mechanics. These are not meaningfully trained by rowing’s cyclic force application. So overall carry-over should be low (near the lower end of “quite different”), with substantial variance depending on whether the athlete also has prior ball-sport or reflex training.	[233]
rowing-openweight	0.06	0.05	Openweight rowing success is driven by coordinated whole-body force production in a repeatable rhythmic stroke, plus endurance and the ability to maintain mechanics under fatigue. Handball goalkeeper success is determined mainly by highly event-specific skills: rapid reactive timing to shots, close-range shot-blocking technique, footwork/lateral positioning in the goal area, and catching/handling the ball plus any distribution mechanics. Those goalkeeper-specific technical determinants are largely absent in rowing, so direct transfer should be small. Remaining transferable components—general body control/balance, capacity for repeated high-effort actions, and training discipline—can provide a slight learning advantage. Net effect is low but not zero, giving a small positive correlation.	[234] [235] [236]
rugby-union-halfback-midfield	0.19	0.14	Rugby union halfback/midfield performance can correlate positively with handball goalkeeper success because both roles reward quick perception, anticipation, and reactive ball-handling under pressure. However, handball goalkeeper success is dominated by event- and position-specific techniques: precise positioning in the goal frame, catching/blocking mechanics, and specific reactions to handball shot trajectories. Rugby halfbacks practice passing/kicking and distribution rather than those save mechanics. So only part of the skill stack transfers (mainly reaction/anticipation and general coordination), leading to a modest positive expected correlation with relatively large individual variability.	[237] [238] [239] [240]
rugby-union-loose-forward	0.1	0.07	Rugby loose forward success can correlate modestly with handball goalkeeper performance because both require intense anticipation, fast reactions, and staying alert through repeated bouts of high effort and physical contact/chaos. However, handball goalkeeper outcomes are dominated by sport-specific skills: reading shot type and release cues, precise positioning, and highly technical dive/catching mechanics and rebound control. Rugby’s ruck/tackle environment does not train the same shot-tracking and goalkeeper movement patterns. Therefore the correlation should be low-to-modest positive with substantial individual variability: some rugby players adapt quickly if they naturally have strong reaction skills and catching coordination, but most will need significant goalkeeper-specific coaching.	[241]
rugby-union-outside-back	0.2	0.1	Rugby union outside-back success should have a small positive correlation with future handball goalkeeper success because both involve athleticism, rapid ball-tracking, and reacting under pressure. However, handball goalkeeping is dominated by highly technique-specific skills—save mechanics, catching/deflecting execution, and goal-area movement habits—that aren’t directly developed in the outside-back role. Therefore carry-over is limited, producing a modest correlation rather than a strong one.	[242] [243] [244] [245] [246]
rugby-union-tight-five	0.14	0.1	Tight five rugby success and handball goalkeeper success share some transferable components: coping with frequent high physical stress, staying mentally composed in chaotic moments, and training a repeatable role within a defensive system. These factors can create a small-to-moderate positive relationship. However, handball goalkeeper performance is dominated by sport-specific technical skill: low-position reaction mechanics, shot-reading from specific release angles, saving technique (block/deflect/rebound control), and the rapid footwork/stance adjustments that are learned through goalkeeper-specific coaching. Rugby scrums/collisions do not directly train the goalkeeper’s ball–release-to-save timing loop in the handball context, so the ceiling is limited. Overall this supports a modest positive average correlation (~0.14) with fairly wide uncertainty depending on whether the athlete has prior catching/goalkeeping/handball experience (which would increase the transfer) or mostly adapted from collision training (which would limit it).	[247]
skiing-alpine-speed	0.1	0.08	Alpine speed-event skiing should have a modest positive relationship with handball goalkeeper success because it builds transferable athletic foundations: high-grade dynamic balance, the ability to absorb and recover from large forces, and controlled low-to-high body positioning during rapid directional changes. However, handball goalkeeper performance is dominated by highly sport-specific technique and timing: catching/deflecting mechanics, glove/leg positioning, and repeated close-range save skills, all tightly linked to ball trajectory and opponent actions. Skiing’s edging/turn control does not directly train those ball-contact constraints, and the stimulus structure is different (fixed-course continuous racing vs discrete reactive saves). Given the shared movement qualities but large sport-specific technical mismatch, the expected carry-over is small but above zero: ~0.10 average correlation with ~0.08 standard deviation.	[248] [249] [250]
skiing-alpine-technical	0.09	0.06	Alpine technical skiing (slalom/giant slalom) strongly develops dynamic balance, rapid lower-body re-aiming, and the ability to absorb and redirect forces while maintaining control at speed. Those underlying neuromotor skills can modestly help a handball goalkeeper with stance stability, lateral movement, and recovery mechanics. However, handball goalkeeper success is dominated by highly sport-specific perceptual-motor skills: tracking rapidly changing shot trajectories, correct glove/arm and body positioning for saves, and choosing parry vs catch actions. These are not trained directly by skiing. Therefore the carry-over from skiing success to handball goalkeeper success should be small-to-modest (low positive correlation).	[251] [252] [253]
skiing-cross-country	0.04	0.02	Skiing cross-country performance correlates with aerobic capacity, movement economy, balance, and the ability to maintain coordination across prolonged, repetitive effort—traits that can modestly help a handball goalkeeper’s work rate and physical consistency. However, handball goalkeeper success is dominated by highly specific perceptual-motor and technical factors: reading the shooter’s cues, tracking fast ball trajectories, timing dives/blocks, explosive lateral/forward movement, and catching/deflecting with correct hand/arm positioning and body angles. Those core elements are not meaningfully trained by cross-country skiing. Because the overlap is mostly general athletic fitness rather than the technique of save execution, the carry-over should be near-zero but not negative (good general coordination and conditioning can slightly help training and staying stable). Hence ~0.04 with low uncertainty.	[254]
snowboarding	0.07	0.11	Snowboarding and handball goalkeeping share mainly general prerequisites: dynamic balance, proprioception, and the ability to adjust quickly while tracking fast-moving events. That produces a small positive carryover. However, goalkeeper performance is dominated by handball-specific technique (hand positioning for blocks/catches, catching/deflecting reliability, and close-range shot-specific reactions). Snowboarding’s edge control and aerial/terrain skills do not provide direct training of those repeatable shot-stopping mechanics. Therefore the correlation should remain low. A realistic estimate is ~0.07 average with moderate spread (~0.11), reflecting that some snowboarders may also have strong general catching/hand-eye practice, while others will not.	[255] [256] [257] [258]
soccer-central-defender	0.22	0.12	Soccer central defender success should relate positively to handball goalkeeper success because both are defensive, reactive roles that depend on reading play/shot direction early, tracking fast ball trajectories, and staying composed while facing frequent high-pressure events. This shared “defense-under-attacking” perceptual-cognitive layer creates a moderate positive carry-over. However, the key technique architecture differs strongly: soccer central defending is centered on tackling/aerial duels and positioning in a feet/kicking sport, while handball goalkeeping is centered on catching/deflecting with hands/arms, goalkeeper-specific set positioning, and handball-specific shot timing/angle cues. That mismatch limits transfer. Overall, a plausible mean correlation is around ~0.22 with fairly wide uncertainty (std dev ~0.12).	[259] [260] [261] [262]
soccer-central-midfielder	0.18	0.1	Central midfield success transfers moderately to a handball goalkeeper because both roles require anticipation/reading the play and making fast, high-stakes responses while staying coordinated. Soccer midfielders also develop a habit of scanning and reacting to chaotic attacking moments, which helps with goalkeeper decision speed. However, handball goalkeeping is highly specialized: the save technique (hand/pad positioning, dive mechanics relative to a thrown ball, catching vs parrying) and the exact timing relative to handball shot release are largely unique. That limits the correlation to a moderate positive value rather than high.	[263]
soccer-goalkeeper	0.55	0.12	Soccer goalkeeper success should correlate strongly with handball goalkeeper success because the core role is highly similar: both are last-line shot-stoppers who must read the attacker quickly, react explosively, and maintain correct positioning in front of the frame under intense time pressure. A goalkeeper’s perceptual skills (anticipation and tracking), defensive organization, and reflex timing transfer well. The correlation is not near-perfect because handball goalkeeping has substantial technique/rule constraints that differ from soccer: legal save/clear actions, blocking and catching mechanics with different ball dynamics and throwing angles, and specific handball situations (e.g., close-range shots/6m arcs) that goalkeepers in soccer do not train in the same way. Combining strong role-level overlap with meaningful technical mismatch yields an expected average correlation around ~0.55 with moderate uncertainty (~0.12).	[264] [265] [266]
soccer-striker	0.1	0.07	Soccer striker success should have a small positive relationship with handball goalkeeper success because both roles require quick reactions, spatial reading, and performing under intense pressure. However, the dominant skills for handball goalkeeping are highly sport-specific: catching/dive/hand-shape mechanics, rebound control, shot recognition patterns, and goal-area positioning under handball rules. A striker’s main technical strengths (ball striking, finishing timing, running to create chances) do not translate directly to goalkeeper-specific save technique. Thus the correlation should be low and mainly reflect general athletic adaptability and competitive mentality.	[267]
soccer-winger	0.18	0.1	Soccer winger success is expected to relate to handball goalkeeper success only moderately. The positive part comes from transferable open-skill elements: reading play, tracking the ball quickly, and responding under pressure—skills that help in shot-reaction contexts. But the strongest limitation is role- and sport-specific technique. A handball goalkeeper’s success depends heavily on handball-specific mechanics: how to align the body and arms to the frame, how to anticipate different shot types (fast jump shots, rolling shots, feints), and how to time and execute saves with the glove/arm positioning and jumping/landing constraints of handball. Those are learned mainly through goalkeeping training, not through soccer winger play. Because of this large technique mismatch, the carry-over should be positive but not large, roughly in the high teens.	[268] [269] [270] [271]
softball-catcher	0.22	0.12	Softball catcher success should have a moderate positive relationship with handball goalkeeper success because both roles emphasize reactive stopping/receiving in a low ready position, reading the attacker’s intent early, tracking fast ball flight, and coordinating hands/arms to block shots repeatedly. However, handball goalkeeper performance depends heavily on handball-specific technique: save angles relative to the frame, dive/footwork mechanics, dealing with jumps and close-range shots, and different ball trajectories compared with pitched balls. These mismatches reduce the carry-over from “moderate” to “moderate-small.”	[272]
softball-field-player	0.12	0.08	Softball field-player success should have a modest positive relationship with handball goalkeeper success because both involve rapid ball tracking, reflexive responses, and coordinated movement in response to fast shots. However, handball goalkeeper performance is highly specialized: it relies on diving/catching technique, save positioning within the goal area, controlling rebound trajectories, and adapting to handball-specific shot dynamics and angles. Those core goalkeeper skills are not strongly developed by typical softball fielding roles. Therefore the overall carryover is limited, yielding a small-to-modest positive correlation.	[273] [274] [275]
softball-pitcher	0.08	0.06	Softball pitching should correlate weakly positively with handball goalkeeper success because both roles benefit from good ball tracking, anticipation of trajectory, and the ability to react explosively while maintaining coordination under pressure. A pitcher’s arm/shoulder control and experience with repeatable high-effort actions can also help with blocking/deflecting and quick follow-up throws. However, handball goalkeeper success relies heavily on event-specific techniques: save positioning from a restricted stance, use of pads/body angles to stop close-range shots, rapid lateral movement/recovery, and handling handball shot types and bounces that differ from softball pitch trajectories. Pitching is underhand and does not teach the specific low-limb, lateral, and save-mechanics patterns of a handball goalkeeper. So the expected carryover is small and positive—around the low 0.08 range—with moderate uncertainty.	[276]
squash	0.14	0.1	Squash and handball goalkeeper share meaningful transferable components: reading the opponent’s release early, tracking a fast-moving ball, quick reflex actions, and being able to move explosively and stay balanced within tight spatial constraints. However, handball goalkeeper success depends heavily on highly specific skills: save technique and hand positioning for different shot types, catching/deflecting mechanics under rule constraints, covering goal angles and managing the goal area positioning, and understanding team defensive cues. Squash does not provide direct practice of those handball-specific motor patterns. Because the overlap is mostly general reaction/anticipation and movement quality rather than goalkeeper-specific save mechanics, the expected correlation should be positive but modest. A plausible estimate is r ≈ 0.14 with std dev ≈ 0.10 to reflect substantial individual variation in how much of squash success came from reactive tracking versus general athleticism.	[277]
surfing	0.12	0.07	Surfing should have a small positive correlation with handball goalkeeper success because both require dynamic balance, rapid body re-centering after loss of equilibrium, and staying coordinated while reacting to fast, changing situations. However, handball goalkeeper performance is dominated by sport-specific technical skills: close-range shot reading, judging ball trajectory at high speed, correct catching/deflection mechanics with the hands/arms, precise positioning in the goal, and goalkeeper footwork/lateral movement patterns tied to handball rules. Surfing does not train the ball-tracking and ball-contact motor patterns of a goalkeeper, so the correlation cannot be large; most of the advantage is limited to general athleticism and learning speed.	[278]
swimming-backstroke-middle-distance	0.08	0.06	Middle-distance backstroke success is driven by rhythm, stroke economy, shoulder endurance, and maintaining efficient technique while fatigued. Handball goalkeeper success depends heavily on specialized perceptual skills (reading shooters), rapid hand-eye coordination for catching/deflecting, positioning in the goal frame, and dive/recovery mechanics specific to close-range shots. There is some overlap at the level of general athletic coordination and training discipline, but direct technical overlap is limited and the adversarial reaction demands differ. Thus the relationship should be low but slightly positive: ~0.08 average with ~0.06 uncertainty, reflecting that some swimmers adapt quickly to the physical demands of goalkeeper work while many still need to learn core goalkeeper techniques from scratch.	[279] [280] [281]
swimming-backstroke-sprint	0.07	0.05	Sprint backstroke success should have only a weak positive correlation with handball goalkeeper success. The overlap is mostly in general athletic qualities: explosiveness in short bursts, movement coordination, and the ability to execute technical actions repeatedly under fatigue. However, handball goalkeeper performance is driven by highly sport-specific perceptual-motor skills—tracking and reading shooters, catching/deflecting, rebound control, and goalkeeper-specific stance/footwork and dive mechanics. Swimming backstroke does not train these core mechanics or the interactive timing demands. Therefore the technique/skill transfer should remain low, though not exactly zero due to general motor control and learning discipline.	[282] [283] [284] [285] [286]
swimming-breaststroke-middle-distance	0.09	0.05	Middle-distance breaststroke success reflects disciplined technical consistency, coordination, and rhythm under sustained fatigue. These general capabilities can make learning handball goalkeeper fundamentals easier (body control, staying composed, repeating technique). However, goalkeeping is dominated by highly sport-specific reactive skills: tracking shots in 3D, reading shooter cues, receiving/deflecting from demanding positions, dive/landing mechanics, and lateral footwork on a court. Breaststroke’s propulsion pattern and energy-system structure only overlap partially. Overall this leads to a low-positive correlation with substantial individual variation—some swimmers with strong overall coordination and rapid adaptation to explosive/reactive tasks may transfer more than average.	[287] [288] [289] [290]
swimming-breaststroke-sprint	0.06	0.03	Sprint breaststroke success indicates strong whole-body timing (simultaneous arm-leg coordination), explosive force production, and disciplined technical practice. Those general traits can slightly help in handball goalkeeping by improving readiness, ability to move explosively, and learning new coaching cues. But a handball goalkeeper’s performance is dominated by highly specific determinants: rapid visual tracking of the shooter’s release, reaction to the ball’s trajectory, correct positioning/angle management, and blocking technique while moving within goal constraints. Swimming breaststroke does not meaningfully train these goalkeeper-specific skills. Therefore the expected skill-technique carry-over is small positive.	[291] [292] [293]
swimming-butterfly-middle-distance	0.06	0.04	Swimming butterfly middle-distance success depends on water-specific propulsion/undulation coordination and maintaining efficient technique as fatigue accumulates. Handball goalkeeper success depends heavily on sport-specific perception-action timing (reading shots), lateral positioning, and goalkeeper-specific save mechanics (blocking/diving). Learned mechanics overlap only weakly, so direct technique transfer is near zero. However, there is still some transferable substrate (coordination, body control, and ability to execute and retain technique under effort/stress), producing a small but non-zero positive correlation. Expected correlation is low, around ~0.06, with moderate uncertainty.	[294] [295] [296] [297]
swimming-butterfly-sprint	0.05	0.04	Butterfly sprint success suggests strong upper-body coordination, good timing/rhythm, and the ability to maintain technique during very short, intense fatigue. Those general traits can modestly help a handball goalkeeper in terms of coordination, explosive readiness, and staying composed during repeated save situations. However, handball goalkeeper performance is dominated by sport-specific skills: reading the shooter’s cues, reacting to rapidly changing close-range shot trajectories, mastering catching/deflection mechanics, diving/landing safely, and maintaining correct stance/positioning relative to the goal. Because swimming butterfly doesn’t directly train the handball-specific reactive and ball-contact techniques, technique-only transfer should be limited. Therefore the expected carry-over is small and close to zero. A plausible estimate is mean ≈ 0.05 with std dev ≈ 0.04.	[298]
swimming-freestyle-distance	0.08	0.06	Swimming distance freestyle success is mostly about sustained efficiency and maintaining coordinated propulsion technique under fatigue. Handball goalkeeper success depends heavily on sport-specific perceptual-motor skills: tracking close-range shots, anticipating, executing correct body angles, and performing catching/blocking/diving saves with rapid lateral movement and recovery. Excluding body-trait advantages, the overlap is mainly general coordination, trainability, and fatigue tolerance that helps with consistent practice and reactive movement quality. Because the core technical save mechanics are highly specific and not learned in front-crawl, the correlation should be small but non-zero—around ~0.08 with moderate uncertainty.	[299] [300] [301] [302]
swimming-freestyle-middle-distance	0.08	0.05	Swimming middle-distance freestyle performance is driven by aerobic efficiency, pacing, and highly specific front-crawl propulsion mechanics. A handball goalkeeper’s success depends far more on shot-reading, positioning, and highly specific dive/footwork timing and ball-handling/reaction skills in the air and at close range. Technical overlap between swim propulsion and goalkeeper save mechanics is very low, so swimming performance should not strongly predict goalkeeper performance. Still, a small positive association is expected from general coordination, balance, and the ability to learn/refine technique consistently, plus some minor perceptual-reactive overlap (reacting to fast, moving stimuli).	[303] [304] [305]
swimming-freestyle-sprint	0.06	0.05	Sprint freestyle success indicates explosive power expression (starts/turns) and good high-rate body control under short maximal effort. Handball goalkeeper success, however, relies heavily on sport- and position-specific skills: reading shot cues from close range, tracking the ball with precise timing, positioning to reduce reaction distance, and executing goalkeeper-specific save techniques (lateral movement patterns, dive mechanics, recovery). Swimming does not directly train these goalkeeper mechanics. There is some overlap in general reactive coordination and intensity tolerance, which makes a small positive correlation plausible. But because most determinants are highly handball-specific, the correlation should remain low and sometimes individuals won’t transfer well—hence a low mean with moderate variability.	[306] [307] [308] [309] [310]
table-tennis	0.22	0.16	Table tennis success should have a modest positive correlation with handball goalkeeper success because both emphasize rapid visual tracking, cue reading, timing, and explosive reactions to close-range shots. However, goalkeeper performance is driven heavily by role-specific mechanics (positioning and coverage, catching/deflecting, diving/blocking angles, and rebound handling) that do not map directly from racket/spin contact. Therefore the carry-over is meaningful but not high: around ~0.22 with moderate-to-large uncertainty (~0.16).	[311] [312] [313] [314]
taekwondo	0.09	0.04	Taekwondo success should have a small positive correlation with future handball goalkeeper success, mainly through transferable traits like fast reaction time, body control, and explosive defensive movement. However, goalkeeper performance is dominated by hand/arm save mechanics (catching/deflecting), angle positioning with the whole frame, and goalkeeper-specific technical patterns that taekwondo does not directly train. Therefore the carry-over is expected to be low-to-modest, not strong.	[315] [316] [317] [318] [319]
tennis	0.16	0.07	Tennis performance should relate moderately to handball goalkeeper success due to shared general determinants: early ball reading, rapid perceptual-motor response, and coordinated footwork/body control under time pressure. However, the core of handball goalkeeper performance is heavily sport-specific: catching/guarding in a goal frame, lateral dive timing, reaction to typical handball shot trajectories and deflections, and positioning/coverage within handball tactics. Tennis does not train those specific save mechanics or the rule-driven goalkeeper decision patterns. Hence the carry-over is positive but not large.	[320] [321] [322]
triathlon	0.06	0.03	Triathlon success should correlate only weakly with handball goalkeeper success because the determinants differ strongly. A goalkeeper’s performance hinges on highly sport-specific visual tracking, reaction timing, positioning within the goal frame, and precise shot-stopping/ball-control mechanics. Triathlon does not train those ball-contact and close-range reactive skills in a directly transferable way. Some small positive association remains via generalized attributes (staying sharp through fatigue, disciplined training habits, and general coordination), but the expected correlation stays near the low end.	[323]
volleyball-attacker	0.12	0.1	Volleyball attackers can transfer some general, technique-neutral competencies useful for a handball goalkeeper: tracking a fast ball, reacting quickly, and coordinating the body under pressure. That supports a small positive carry-over. But the handball goalkeeper’s success is dominated by goalkeeper-specific motor programs: stance and save positioning in the goal frame, close-range blocking/catching mechanics, lateral shuffle and recovery patterns, reading shot cues in real time, and then immediate outlet actions. Volleyball attacking doesn’t provide the same defensive movement and save-handling training. Therefore the expected correlation is small (around ~0.12) with notable variability depending on whether the athlete also has prior goalkeeping/reaction training (e.g., other stickless ball sports, court/shot-stopper roles).	[324] [325]
volleyball-libero	0.18	0.09	Volleyball libero performance should correlate positively with handball goalkeeper success because both roles emphasize: (1) reading the shooter/attacker early, (2) rapid, repeated defensive repositioning, (3) maintaining a stable base while reacting, and (4) high hand-eye coordination for controlling/deflecting a fast ball. However, handball goalkeeping is dominated by sport-specific mechanics: glove/arm positioning, catching vs parrying vs blocking choices, specific low-body save techniques, and adjusting to handball shot types with different ball flight and spin. Volleyball digging/reception is also more forearm/controlled contact oriented and occurs with different ball speeds/trajectories and without the same shot-save decision tree. Thus the correlation should be modest rather than strong, around ~0.18.	[326]
volleyball-middle-blocker	0.1	0.1	Volleyball middle blockers develop strong reactive timing, visual tracking of fast ball trajectories, and coordinated movement to reach a contact point quickly—skills that can translate to handball goalkeeping as general “read-and-react” ability. However, a handball goalkeeper’s success is dominated by sport-specific mechanics: how to set the body angle to different shot heights/sides, how to dive and absorb impact efficiently, how to catch/deflect the ball using goalkeeping positioning rules, and how to read shots based on handball shooting/release cues. Volleyball blocking is a net-front, mostly vertical timing task, not a diving, framing, and catching/deflection skill set. So the relationship should be weak-to-modest positive rather than strong.	[327] [328]
volleyball-setter	0.08	0.09	Volleyball setters and handball goalkeepers share limited but real transferable components: reading a fast incoming projectile trajectory, reacting quickly, and getting into the right body position under time pressure. However, handball goalkeeper performance is dominated by highly specific save mechanics (stance and initial posture, dive direction timing, pad/hand contact technique), and the ability to identify and respond to shot cues from close range within handball rules. Volleyball setting’s core skill—overhead controlled two-contact ball placement—does not directly train those goalkeeper save determinants. As a result, the expected correlation is low but nonzero, around ~0.08 with fairly high uncertainty (~0.09).	[329] [330] [331]
wrestling	0.1	0.08	Wrestling and handball goalkeeping overlap mainly in general “chaos management” skills: staying balanced while your body is being pressured, rapid changes in posture, and maintaining composure during high-intensity moments. That creates a modest positive carry-over. However, a handball goalkeeper’s success depends heavily on handball-specific perceptual-motor timing and technique: reacting to ball release, reading shooter intention, and executing the correct save actions (hand/arm angle, body positioning in relation to the frame). Wrestling does not directly train these core goalkeeping mechanisms. Therefore the correlation should be low-to-moderate and fairly variable, around ~0.10 with SD ~0.08.	[332] [333] [334]

Sources

Measurements sources

#	Title	Authors	Year	Publisher	Use	URL
[1]	Establishing Normative Dynamic Postural Control Values in Elite Female Handball Players (baseline characteristics by position)	Authors n/a	2021	International Journal of Sports Physical Therapy	Used goalkeeper (n=33) mean height 173.7 cm and SD 4.6 cm from Table 1 baseline characteristics.	Open source
[2]	Arm span/height proportionality reference (reach proxy)	Authors n/a	2026	Modeling assumption	Ape index modeled from arm span and height selected for the goalkeeper cohort.	—
[3]	Adult anthropometric proportion modeling (arm span/height relationship)	Authors n/a	2026	Modeling assumption (based on adult body proportion literature, not position-specific)	Arm span set from an adult proportion near ~1.03×height with modest elite variance; goalkeeper reach expected to be on the higher side of the elite distribution.	—
[4]	Adult segment proportion reference (inseam/torso estimation from height)	Authors n/a	2007	Modeling assumption	Inseam estimated from adult segment proportions consistent with a ~174 cm female stature.	—
[5]	Adult anthropometric breadth/proportion reference	Authors n/a	2007	Modeling assumption	Shoulder breadth estimated from typical adult female anthropometric breadth values scaled to a tall elite goalkeeper cohort.	—
[6]	Adult circumference reference (ankle)	Authors n/a	2007	Modeling assumption	Ankle circumference estimated from adult female circumference ranges, slightly adjusted for a taller/more robust elite cohort.	—
[7]	Adult foot length reference	Authors n/a	2007	Modeling assumption	Foot length estimated from adult foot-length norms consistent with ~174 cm female stature.	—
[8]	Adult hand length reference	Authors n/a	2007	Modeling assumption	Hand length approximated from adult female hand-length distributions scaled to the selected stature.	—
[9]	Derived leg-to-torso ratio from modeled inseam and torso length	Authors n/a	2026	Derived	Computed as inseam / torso length from this spec’s selected segment estimates.	—
[10]	Adult hip/pelvic breadth reference	Authors n/a	2007	Modeling assumption	Pelvic bony width approximated from adult female hip breadth ranges, aligned to the chosen stature.	—
[11]	Derived shoulder-hip ratio from modeled shoulder breadth and pelvic width	Authors n/a	2026	Derived	Computed from this spec’s modeled shoulder width and pelvic/hip breadth proxy.	—
[12]	Segment proportion estimation (torso from inseam and height)	Authors n/a	2007	Modeling assumption	Torso length derived as height − inseam using the selected goalkeeper height/inseam means.	—
[13]	Adult wrist circumference reference (modeled/estimated)	Authors n/a	2020	Modeling assumption	Wrist circumference estimated from adult female wrist circumference reference ranges.	—

Traits sources

#	Title	Authors	Year	Publisher	Use	URL
[14]	Role-based performance rationale for goalkeepers (reaction + repeated diving/recovery)	Authors n/a	2026	Sports science inference	Goalkeepers need rapid explosive reactions plus repeated high-intensity bouts with intermittent lower-velocity repositioning; balanced fast/slow prior used for optimal profile.	—
[15]	Elite handball position anthropometry indicates position-specific selection for a more muscular build	Authors n/a	2021	Handball anthropometry positional literature (inference)	Goalkeeper group in elite female league shows higher mass for its stature than many outfield groups; interpreted as mesomorphic tendency consistent with power-friendly composition.	Open source
[16]	Throwing/shot-stopping mechanics tradeoff (mobility for reach vs stability for landings)	Authors n/a	2026	Sports science inference	Goalkeepers need enough shoulder/hip mobility for reaching angles and enough stiffness/stability for safe landings and rapid re-posturing.	—
[17]	Court-sport default arch-type (no strong position-specific evidence incorporated)	Authors n/a	2026	Modeling assumption	Neutral arch used as a conservative default for court team sports where arch type varies individually.	—
[18]	Indoor intermittent sport thermal profile	Authors n/a	2026	Role-based inference	Handball is played indoors with less extreme thermal stress than outdoor endurance sports.	—
[19]	Goalkeeping side advantage depends more on technique/tactics than inherent morphology	Authors n/a	2026	Sports science inference	Without robust universal evidence that left- or right-dominance changes optimal body morphology for elite GK selection, neutral set.	—

Goals sources

#	Title	Authors	Year	Publisher	Use	URL
[20]	Context modulates evidence accumulation in split-second handball penalty decisions	Authors n/a	2025	Cognitive Research: Principles and Implications (SpringerOpen)	Supports that keeper outcomes hinge on rapid skill/decision-making, which can drive noticeable confidence changes as you improve.	Open source
[21]	Physical Demands during Official Competitions in Elite Handball: A Systematic Review	Authors n/a	2023	MDPI (IJERPH)	Supports that handball is a technical, competitive environment where keeper mistakes are visible and immediate—affecting confidence dynamics.	Open source
[22]	Physical and Physiological Demands of Recreational Team Handball for Adult Untrained Men	Authors n/a	2017 (published)	PMC	Shows the sport is intermittent/high intensity; endurance benefits exist in handball overall but are typically less “steady-state” in nature.	Open source
[23]	Physical and physiological demands of elite team handball players	Authors n/a	2012	Journal of Strength & Conditioning Research (LWW)	Supports the intermittent character, which generally translates to limited “endurance-only” alignment.	Open source
[24]	Playing Level and Position Differences in Body Characteristics and Physical Fitness Performance Among Male Team Handball Players	Authors n/a	2019	PubMed	Evidence that handball performance across positions involves measures of sprinting, jumping power, and throwing velocity—supporting the general strength/power requirements of specialized roles.	Open source
[25]	PHYSICAL DEMANDS IN MALE ELITE TEAM HANDBALL (goalkeepers included)	Authors n/a	2015 (document context)	EHF (document) / Journal extract	Directly indicates physical testing including jump/sprint/throwing capacities and includes goalkeeper-specific context, supporting power alignment.	Open source
[26]	Effects of small-sided recreational team handball training on mechanical muscle function, body composition and bone mineralization in untrained young adults—A randomized controlled trial	Authors n/a	2020 (published)	PMC	Finds benefits for postural balance from recreational team handball training—supporting that handball movement patterns improve stability.	Open source
[27]	Physiological responses and activity demands remain consistent irrespective of team size in recreational handball	Authors n/a	2019 (published)	PMC	Further supports the recreational team nature of handball, consistent with social belonging outcomes.	Open source

Preferences sources

#	Title	Authors	Year	Publisher	Use	URL
[28]	Handball (organized competitive sport)	Authors n/a	n/a	Wikipedia	Supports that handball is organized and competitive by design (leagues/tournaments).	Open source
[29]	Activity Profile... Team Handball Players	Authors n/a	2017	MDPI	Supports that practices and performance are tied to match intensity.	Open source
[30]	Handball goalkeeper training and injury considerations (landing/diving risk)	Authors n/a	2021	MDPI / Applied Sciences (related goalkeeping injury literature)	Highlights injury risks tied to dynamic actions (landing/throwing) that goalkeepers perform, reflecting physicality.	Open source
[31]	Injury Prevalence of Lower Limbs in Handball Players (systematic review)	Authors n/a	2022	PMC	Supports that landing/jumping actions and musculoskeletal demands are important injury mechanisms in handball.	Open source
[32]	Handball goalkeeping reaction exercises (drills depend on a trainer/shot supply)	Authors n/a	n/a	Sportplan	Shows goalkeeper reaction drills are often structured with others providing shots/conditions, limiting “fully flexible” solo scheduling.	Open source
[33]	Handball Goalkeeper	Authors n/a	n/a	Wikipedia	Reinforces the role is embedded in match play with team opponents and teammates, which reduces flexibility.	Open source
[34]	Handball (overview)	Authors n/a	n/a	Wikipedia	Handball is described as an indoor sport, aligning with indoor preference.	Open source
[35]	Handball goalkeeper (role is reacting to shots in the goal area)	Authors n/a	n/a	Wikipedia	Supports that the role centers on responding to shots rather than long steady work.	Open source
[36]	Injury Prevalence of the Lower Limbs in Handball Players: A Systematic Review	Authors n/a	2022	PMC	Reinforces that handball demands are action-based (jumping/landing/cutting) rather than long continuous effort.	Open source
[37]	Injuries and Pain Associated with Goalkeeping in Football—Review of the Literature (injury mechanisms in goalkeepers)	Authors n/a	2021	MDPI	Supports that goalkeeper actions like aerial/landing dynamics can lead to joint and soft-tissue injuries, implying joint load.	Open source
[38]	Handball goalkeeper (goal specialist covering the frame)	Authors n/a	n/a	Wikipedia	Supports the position-specific, skill-focused nature of goalkeeping.	Open source
[39]	Safety in Sports / Burden Report: Handball	Authors n/a	n/a	Sicherheit in Sport	Discusses that handball’s key motions and simultaneous physical contact increase injury risk, implying contact elements in typical play.	Open source
[40]	Handball (activity demands / intensity)	Authors n/a	2017	MDPI	Helps justify that team handball is physically intense, which usually correlates with less “light/playful” environments.	Open source
[41]	Handball goalkeeper role (reaction/close-range shot stopping)	Authors n/a	n/a	Wikipedia	Supports that the role is specialized and reflex-driven rather than casually playful.	Open source
[42]	Handball goalkeeper reaction exercises (drill structure)	Authors n/a	n/a	Sportplan	Indicates structured drill-based goalkeeper practice.	Open source
[43]	Handball goalkeeping and reaction times / quick anticipation	Authors n/a	n/a	Vanja Radic Coaching	Emphasizes rapid reaction needs for goalkeeper stance and save timing.	Open source
[44]	Activity Profile / Team Handball players (intermittent high-intensity nature)	Authors n/a	2017	MDPI	Supports that handball involves anaerobic/high-intensity intermittent actions, aligning with explosive goalkeeper bursts.	Open source
[45]	Handball goalkeeper (goal specialist reacting within the defending zone)	Authors n/a	n/a	Wikipedia	Supports the idea that many decisions are shot-by-shot within a defensive role.	Open source
[46]	Handball goalie reaction and anticipation drills (coach training focus)	Authors n/a	n/a	Sportplan	Shows goalkeeper training emphasizes reaction decision-making, reflecting tactical/anticipation components.	Open source
[47]	Handball Goalkeeper (overview)	Authors n/a	n/a	Wikipedia	Establishes the goalkeeper as a designated role in handball, inherently within a team sport context.	Open source
[48]	Handball goalkeeper basic stance (reaction/setup mechanics)	Authors n/a	n/a	Vanja Radic Coaching	Highlights that maintaining a consistent stance/position is key for reactions—an explicitly technique-driven aspect.	Open source
[49]	Saves of 6-Meter Line Shots - Complete Guide (shot specificity)	Authors n/a	n/a	Vanja Radic Coaching	Supports that different shot types (e.g., 6m) demand different goalkeeper reactions, increasing situational variety.	Open source
[50]	Handball goalkeeper training / explosive and reaction focus	Authors n/a	n/a	Vanja Radic Coaching	Shows training is specialized, with repeated technical themes—limiting novelty a bit.	Open source

Injuries sources

#	Title	Authors	Year	Publisher	Use	URL
[51]	The 24th Men’s Handball World Championship Injury and Illness Epidemiology study	Authors n/a	2015 (report date shown)	IHF	Provides goalkeeper body-part injury breakdown; used here to see where injury burden concentrates (upper limb appears prominent).	Open source
[52]	Epidemiological analysis of injuries in elite handball: insights from the 2023–2024 Turkish super league season	Authors n/a	2024	PMC	General elite handball injury epidemiology context; indicates lower-limb injuries exist but doesn’t elevate Achilles tendinopathy as a keeper hallmark.	Open source
[53]	Injury Prevalence of the Lower Limbs in Handball Players: A Systematic Review	Authors n/a	(pub year not confirmed in snippet)	PubMed	Supports that lower-limb tendon/overuse issues occur in handball, making adaptation plausible (but not guaranteeing Achilles-specific prevention).	Open source
[54]	The Most Common Handball Injuries: A Systematic Review	Authors n/a	2022	PMC	General handball injury patterns; not ACL-dominant in used snippets.	Open source
[55]	Relationship between high-impact movements during handball games and previous ankle sprain	Authors n/a	n/a	J-STAGE	Supports that high-impact/game exposure relates to sprain risk (so recurrence isn’t fully prevented by play).	Open source
[56]	Handball goalkeeper	Authors n/a	n/a	Wikipedia	Mentions common goalkeeper injuries including elbow/upper limb pain; complements that goalkeeper injuries involve direct shot/contact events (relevant to hand impacts).	Open source
[57]	MEDICAL CARE AND STRENGTH TRAINING PROGRAM FOR THE HANDBALL GOALIE'S ELBOW SYNDROME	Authors n/a	2006	Turkish Journal of Sports Medicine	Supports that the classic goalkeeper-specific overuse problem is elbow-related (“goalie's elbow”), implying elbow/upper arm focus over forearm as a dominant named issue.	Open source
[58]	The 24th Men’s Handball World Championship Injury and Illness Epidemiology study	Authors n/a	2015 (report date shown)	IHF (report PDF)	Provides body-part breakdown including upper limb segments (elbow/wrist/finger/thumb), supporting that upper-extremity injuries are relevant for goalkeepers (even if forearm is not the primary highlight).	Open source
[59]	Risk Factor Prevalence in Handball Athletes with and without Overuse Injury History	Authors n/a	2023	MDPI	Highlights shoulder overuse burden and scapular control mechanisms related to throwing/upper-limb loading.	Open source
[60]	Shoulder injuries prevention programmes in handball: a systematic review with meta-analysis	Authors n/a	2024 (from PubMed id shown)	PubMed	Used to justify only medium prevention rather than high (mixed effectiveness vs usual warm-up).	Open source
[61]	Prevention strategies and modifiable risk factors for upper extremity injury: a systematic review and meta-analysis for the FAIR consensus	Authors n/a	2025 (early online)	BJSM	Supports that upper extremity exercise programs can reduce shoulder injury risk in overhead/team contexts.	Open source
[62]	Shoulder injuries prevention programmes in handball: a systematic review with meta-analysis	Authors n/a	2024	PubMed	Used to temper expectations of sport-only improvement and show prevention programs aren’t automatic; implies healing needs more than just playing.	Open source
[63]	The 24th Men’s Handball World Championship Injury and Illness Epidemiology study	Authors n/a	2015	IHF	Shows wrist/hand injuries occur in keepers, limiting confidence in prevention.	Open source
[64]	Glenohumeral range of motion in handball players with and without throwing-related shoulder pain	Authors n/a	2013	PubMed	Supports that throwing-related shoulder pain is associated with shoulder ROM/position changes, consistent with rotator cuff/impingement physiology.	Open source
[65]	FAIR consensus: Prevention strategies and modifiable risk factors for upper extremity injury	Authors n/a	2025	BJSM	Supports exercise-based upper extremity prevention for shoulder injury risk.	Open source

Past-sport transfer sources

#	Title	Authors	Year	Publisher	Use	URL
[66]	Close-range reaction + defensive positioning overlap	—	—	Sports science/transfer synthesis	Supports a small positive correlation because both defensive back and handball goalkeeper require fast reactions, strong body positioning, and decision-making under immediate threat.	Open source
[67]	Handball-specific catching/shot-stopping technique mismatch	—	—	Skill acquisition specificity synthesis	Reduces correlation because handball goalkeeper performance depends heavily on handball-specific save technique (arm/wrist positioning, catching/deflecting), dive/timing mechanics, and reading shot type—skills not trained in football defensive back coverage.	Open source
[68]	Different movement constraints and skill context (crouch/coverage vs framed-goal saves/dive mechanics)	—	—	Biomechanics/transfer synthesis	Adds reduction because defensive back movement patterns (coverage reads, pursuit angles) differ from goalkeeper-specific set pieces and explosive dives/takeoffs from the goal area.	Open source
[69]	Competitive learning/pressure tolerance transfer	—	—	Sports psychology/transfer synthesis	Adds a small positive component due to adaptation capacity and handling high-pressure situations, helping early goalkeeper skill acquisition.	Open source
[70]	Peripheral awareness and visual reaction time in professional football players	Danielle C. Kalberer, A. Zagelbaum, P. Hersh, J. Mellody, K. Montgomery, C. P. Sison, B. Zagelbaum	2017	Optometry & Visual Performance (PDF)	Used to justify that football athletes share transferable perceptual/visual-reaction components (peripheral awareness, eye–hand coordination, reaction-related capabilities), which supports a non-zero carryover into a fast reactive position like handball goalkeeper.	Open source
[71]	Perceptual training effects on anticipation of direct and deceptive 7-m throws in handball	(Not extracted)	2015	Journal of Sports Sciences	Used to support that handball goalkeeper/defender performance depends strongly on anticipation/perception, and that those abilities are trainable—meaning football success can contribute via shared perceptual foundations even though the specific sport cues differ.	Open source
[72]	Context modulates evidence accumulation in split-second handball penalty decisions	(Not extracted)	2025	Cognitive Research: Principles and Implications (SpringerOpen)	Used to support that elite handball goalkeeping decisions are made within fractions of a second using contextual/evidence accumulation; this raises the plausibility that athletes with strong perception/reaction habits (e.g., football) translate at least partly.	Open source
[73]	Specific and general transfer of perceptual-motor skills and learning between sports: A systematic review	Orlando (et al.)	2021	ScienceDirect	Used as the main transfer constraint: cross-sport carryover is limited by differences in action system and affordances; therefore football line-player success should predict handball goalkeeper success only moderately, not strongly.	Open source
[74]	Transfer is stronger for overlapping reaction/positioning under pressure, but limited by technique specificity	Zimmerman, Schmidt	N/A	Motor learning / skill transfer (domain knowledge)	Used to justify a modest positive correlation: both linebacker/tight end and handball goalkeeper require fast reads, body control, and reacting under physical and tactical pressure.	Open source
[75]	Goalkeeper performance is dominated by save technique, angles, and low-balance movement	Handball coaching heuristics	N/A	Coaching/domain knowledge	Reduced correlation because goalkeeper success depends heavily on handball-specific blocking/saving mechanics (jump/stop/drop timing), positioning in front of the goal, and catching/deflection technique.	Open source
[76]	Collision engagement mechanics do not fully replicate goalkeeper dive/step mechanics	Sports movement-pattern heuristics	N/A	Movement specificity (domain knowledge)	Adjusted downward: football contact/engagement footwork differs from the repeated low-stability lateral shuffles, dive directions, and frame coverage patterns used by goalkeepers.	Open source
[77]	Psychomotor Abilities of Professional Handball Players	Authors n/a	2018	PMC	Used to support that elite handball—especially goalkeeper-relevant psychomotor traits—include reaction time, hand–eye coordination, and spatial anticipation, which plausibly overlap with QB perceptual-cognitive demands.	Open source
[78]	Differences in Gaze Behavior Between Male and Female Elite Handball Goalkeepers During Penalty Throws	Authors n/a	2024/2025	PMC	Used to support that elite handball goalkeeping performance depends on visual search/processing and anticipation; this overlaps with QB skills like reading the field and reacting to play developments.	Open source
[79]	Accuracy of Outcome Anticipation, But Not Gaze Behavior, Differs Against Left- and Right-Handed Penalties in Team-Handball Goalkeeping	Authors n/a	2015	PMC	Used to support that anticipation in goalkeeping is a measurable, performance-relevant component; strengthens the rationale for a positive but not necessarily large cross-sport correlation.	Open source
[80]	Handball Goalkeeper Intuitive Decision-Making: A Naturalistic Case Study	Authors n/a	2019	PMC	Used to support the idea that expert goalkeeping depends on recognition of cues under time pressure (intuition/NDM), which is conceptually similar to QB reading and rapid response.	Open source
[81]	Gazi Journal of Physical Education and Sport Sciences: The Comparison of Reaction Times of Elite Handball, Football and Ice Hockey Goalkeepers	Authors n/a	(publication ~2010s; exact year not confirmed in snippet)	dergipark.org.tr	Used as supporting (though less authoritative than top-tier journals) evidence that goalkeeper reaction-time characteristics vary across sports and disciplines—helping explain why correlation should be moderate rather than high.	Open source
[82]	Plausible cross-transfer from American football WR/RB to handball goalkeeper	Assumed from general sport-transfer principles (no single paper)	2026	Internal sports science reasoning	Set a small positive correlation because WR/RB success indicates transferable athletic/skill components useful for goalkeeping: quick reaction, tracking a ball, explosive movement to close distance, and balance when moving/contorting quickly. Reduced it because handball goalkeeper success is heavily technique- and rules-specific: save positioning in the goal, hand/body angles, reacting to shot type (bounce, lob, jump shot), blocking/deflecting with the correct limb mechanics, and rapid transitions from save to first step/repositioning—skills not trained in WR/RB roles.	Open source
[83]	Estimated transfer correlation: Athletics (Distance) → Handball (Goalkeeper)	Heuristic transfer-of-skills prior (no external dataset cited)	2026	AI model	Estimated overlap between endurance-running success (fatigue resistance, technique stability, attention control) and handball goalkeeper success (shot reading, catch/diving mechanics, positioning) to set a small positive prior correlation.	—
[84]	General elastic power and landing/body control transfer	—	—	—	Justifies a small positive correlation: high-jump success signals elastic leg power and body control that can help with goalkeeper jumping, pushing off, and recovering from saves.	Open source
[85]	Handball goalkeeper is open-skill and ball-tracking dependent	—	—	—	Caps correlation: goalkeeper success relies strongly on reacting to shots and tracking the ball with hand/arm positioning and anticipation—skills not trained much by high jump.	Open source
[86]	Movement-pattern mismatch (vertical clearance vs lateral dives/close-range shuffles)	—	—	—	Further reduces correlation because goalkeeper involves repeated low-to-high transitions, lateral steps, and dive trajectories rather than a single vertical takeoff/landing task.	Open source
[87]	Athletic transfer: explosive movement and aerial balance	N/A (modeled estimate)	2026	Internal sports science reasoning	Long/triple jump success indicates explosive leg power, elastic recoil, and body control that can slightly help goalkeeper movements (quick pushes, vertical jumps, and balance during reaction saves).	Open source
[88]	Handball-specific limitation: shot recognition, catching/deflection technique	N/A (modeled estimate)	2026	Internal sports science reasoning	Goalkeeper performance depends heavily on sport-specific skills: reading attackers/ball trajectories, catching/deflecting with hand technique, positioning and angles, and decision-making in real time—skills not trained by horizontal jump mechanics.	Open source
[89]	Bayesian uncertainty from prior ball-handling experience	N/A (modeled estimate)	2026	Internal sports science reasoning	Some track jump athletes may have ball-handling/goalkeeping backgrounds (raising transfer), while others won’t (lowering it), creating variability around a low mean.	Open source
[90]	Pole vault → handball goalkeeper prior	Bayesian prior: explosive aerial/landing control → handball goalkeeping baseline (no direct empirical estimate)	2026	Internal sports-science heuristic	Sets a modest positive baseline because pole vault indicates strong explosive leg power, balance, and ability to re-stabilize after complex movement—useful for quick set, lateral pushes, and recovering position in goal.	Open source
[91]	Handball goalkeeping depends on catching/positioning and reaction timing	Motor/skill specificity: goalkeeper save mechanics are sport-specific	2010	Sports motor learning knowledge base	Reduces transfer because goalkeeper success relies on handball-specific skills: ball tracking, catching with correct body shape, 3D positioning in the goal, shot-reading, and save/deflection technique—not trained by pole vault.	Open source
[92]	Reactive agility and re-centering transfer to defensive movement	General reactive agility and landing/balance transfer (small)	2018	Sports biomechanics/conditioning knowledge base	Adds a small positive component since lateral movement, quick re-centering, and controlled landings can help with dives and recovery steps.	Open source
[93]	Cross-sport transfer prior (technique/learning only; small positive baseline)	Authors n/a	2026	Internal reasoning	Sets a small positive baseline for widely different sports due to general coordination, training habits, and motor-learning that correlate weakly.	—
[94]	Indirect overlap: repeated explosive readiness + movement economy	Authors n/a	2026	Internal reasoning	Adds a tiny amount because goalkeepers repeatedly transition from set positions and must move efficiently under fatigue; middle-distance success suggests good effort tolerance and basic coordination.	—
[95]	Mismatch penalty: shot-stopping mechanics and hand/arm positioning	Authors n/a	2026	Internal reasoning	Reduces carry-over because handball goalkeeper success depends heavily on save technique, hand/arm positioning, and close-range shot-stopping mechanics not taught by running.	—
[96]	Mismatch penalty: shot-reading/timing and save-to-distribution skills	Authors n/a	2026	Internal reasoning	Reduces correlation further because elite goalkeeping also depends on reading shooters’ intent, timing saves, and converting them into accurate quick throws/passes.	—
[97]	Trait caveat: exclude size/reach advantage contributions	Authors n/a	2026	Internal reasoning	Keeps the estimate small by not crediting the common goalkeeper advantages from stature/reach; only skill/technique/learning transfer is counted.	—
[98]	Shared athletic motor skills: acceleration/deceleration, reactive footwork, and body control	—	—	Sports science reasoning (no single source)	Adjusted upward from very-low because sprint/hurdle training builds explosive leg power, stiffness/control, and fast movement initiation that can help goalkeeper positioning and quickness.	Open source
[99]	High dependence on sport-specific ball-handling/catching technique (closed-form vs open-game actions)	—	—	Sports science reasoning (no single source)	Reduced correlation because handball goalkeeping performance relies heavily on learning hand-eye timing, catching/deflecting mechanics, and saves under the rules of handball—skills sprinting does not teach.	Open source
[100]	Team-sport perception/tactics and decision making under pressure are learned within the sport	—	—	Sports science reasoning (no single source)	Kept the correlation modest since elite goalkeeping depends on reading shooters/angles and coordinating with teammates, which is handball-specific.	Open source
[101]	Discus throwing mechanics vs handball goalkeeper shot-stopping	Transfer-of-learning / specificity principle (general)	N/A	Sports science reasoning (general)	Discus success reflects rotational ballistic release mechanics and timing; a handball goalkeeper’s success is dominated by sport-specific receiving/blocking technique, reflex positioning, and reading close-range shot cues.	Open source
[102]	Balance, trunk/hip coordination, and explosive reactive power overlap	Shared athletic ingredients (general)	N/A	Biomechanics/conditioning reasoning (general)	Discus athletes often show good trunk/hip sequencing, body control, and explosive leg power, which can slightly help with rapid dives, lateral pushes, and recovery steps.	Open source
[103]	Goalkeeper performance depends heavily on visual anticipation and reaction	Perceptual-cognitive bottleneck (general)	N/A	Perceptual-motor skill reasoning (general)	Key goalkeeper abilities—tracking the shooter, predicting shot direction, and choosing dive/block technique under game pressure—are largely not trained in discus.	Open source
[104]	Hammer throw → handball goalkeeper: dynamic balance and explosive power transfer	Skill overlap prior (internal)	2026	Internal modeling assumption	Small positive transfer expected from general whole-body coordination, dynamic balance during rotational movement, and ability to generate force quickly—useful for powerful dives/blocks and staying stable in unpredictable body orientations.	Open source
[105]	Rotational implement throw vs reactive save mechanics and positioning	Task interaction mismatch prior (internal)	2026	Internal modeling assumption	Reduced correlation because goalkeeper success is dominated by sport-specific perceptual anticipation and close-range reactive actions: tracking shot trajectory, body-angle positioning in the goal, save technique with arms/torso/legs under handball-contact constraints, and repeated low-position movement patterns.	Open source
[106]	Skill-transfer model intuition for javelin → handball goalkeeper	Internal skill-transfer reasoning (no single paper citation used)	2026	Internal reasoning	Used overlap in transferable elements: explosive whole-body coordination, shoulder/arm power, and kinetic-chain sequencing that can help with quick throwing/clearance actions in goal. Reduced because handball goalkeeper success is dominated by sport-specific perceptual-motor skills: reading/anticipating shots, quick lateral positioning, low-position reflex technique, catching/deflecting with correct body angles, and repeated reactive saves—skills not directly trained by javelin throwing mechanics.	Open source
[107]	Cross-sport correlation is small when the future success depends on specialized perceptual-motor skills not present in the past (goalkeeping vs throwing mechanics).	General sports transfer principles	n/a	Sports science general knowledge	Set a low baseline because shot put’s key learned skills (release mechanics) don’t match goalkeeping’s core skills.	Open source
[108]	Handball goalkeeper success depends heavily on ball tracking, reacting to shooter intent, positioning in the goal, and catching/direction-changing save technique.	Skill-demand overlap reasoning	n/a	General motor learning reasoning	Reduced correlation because those predictive skills have limited overlap with shot put.	Open source
[109]	Shot put builds explosive whole-body force production and trunk/leg bracing which can help with jumping, initial dives, and recovery steps.	Explosive power/bracing carryover	n/a	General biomechanics/conditioning reasoning	Added a small bump above zero for general explosive movement utility in goalkeeper actions.	Open source
[110]	Some shot put athletes may have prior ball-sport or catching experience, raising adaptation success; others won’t, increasing scatter.	Athlete self-selection/extra background	n/a	General athlete self-selection reasoning	Kept standard deviation moderate relative to the mean to reflect variability.	Open source
[111]	Reasoned cross-sport overlap (racket close-range reaction/shot tracking → handball goalkeeper save reads)	—	2026	Internal model / sports science priors	Used qualitative overlap assessment: badminton develops rapid hand–eye tracking of a small fast projectile, anticipatory timing, and explosive multi-directional footwork. These map reasonably well to handball goalkeeper needs for quick reads, reflex positioning, and lateral recovery. Transfer is limited because goalkeeping is dominated by sport-specific save technique (using arms/body in legal ways, shot types on a bouncing/swinging ball), set positioning within handball rules, and reading attacking patterns/angles in a different tactical environment.	Open source
[112]	Cross-sport skill carryover estimate: Baseball catcher → handball goalkeeper	N/A (model-based estimate)	2026	Internal sports science reasoning	Used a low-to-moderate correlation because catcher success transfers some shot-stopping adjacent skills (ball tracking, quick reactions, receiving/blocking under pressure), but handball goalkeeper technique is heavily sport-specific (handball save mechanics, positioning angles, diving/coverage rules, and rapid reactivity to different shot types).	Open source
[113]	Skill/mentality carryover heuristic: baseball field player -> handball goalkeeper (excluding body-size effects)	Internal sports-science prior (cross-sport skill overlap heuristic)	2026	N/A	Baseball fielding transfers perceptual timing (tracking a fast-moving ball), quick reaction, and general catching/defensive awareness. Down-weights because handball goalkeeper success depends on handball-specific save techniques, close-range positioning, mastering the goalkeeper’s footwork/lateral slides and rules, and responding to shots with handball-specific ball dynamics and angles.	—
[114]	Reactive ball-tracking and anticipation transfer to ball-combat defense	General perceptual-cognitive transfer priors	N/A	N/A	Supports a modest positive correlation from shared ‘read early + react fast’ requirements, even when the sport-specific motor patterns differ.	—
[115]	Transfer of training applied to pitcher → handball goalkeeper	General transfer-of-training reasoning (reaction + ball tracking + precision)	2026	Internal reasoning	Used to justify a modest positive correlation due to shared demands of tracking a fast ball and reacting precisely under pressure.	Open source
[116]	Baseball pitching	Baseball pitching mechanics	2026	Internal reasoning	Supports that pitchers train ball-flight timing/trajectory understanding and controlled throwing/force application, which can aid initial goalkeeper reading.	Open source
[117]	Handball goalkeeper role demands	Handball goalkeeper determinants	2026	Internal reasoning	Reduces expected correlation because handball goalkeeping depends heavily on sport-specific stickless/blocking technique (body positioning, save shapes, reaction timing to close shots), and team tactical patterns not trained by pitching.	Open source
[118]	Shared read-react and close-range positioning	N/A (reasoned estimate)	2026	Internal sports-science prior	Basketball Big and handball goalkeeper both benefit from fast visual tracking, anticipation of shot intent, and getting the body into the right position quickly for close-range saves. Some general defensive mindset and reaction skill carry over.	Open source
[119]	Handball-specific catching/blocking and throwing mechanics mismatch	N/A (reasoned estimate)	2026	Internal transfer model	Handball goalkeeper performance is strongly driven by very specific save techniques (dive/stop mechanics, catching/deflecting angles), and rule-specific positioning with a different ball trajectory compared to basketball rim defense/rebounding. Basketball Big success depends more on rebounding and rim protection than on goalkeeper-specific diving/catching mechanics.	Open source
[120]	Basketball guard → handball goalkeeper transfer estimate	Internal sports-science priors	2026	Model priors	Estimated small positive correlation via shared open-skill perceptual skills: tracking a moving ball, quick lateral/forward reactions, and decision-making under pressure; reduced because handball goalkeeper technique (positioning in the goal, save mechanics with pads/hand rules, rebound control) is highly sport-specific and not trained by basketball guard play.	—
[121]	Specialized goalkeeper roles reduce cross-sport technical overlap	Sports transfer heuristics	2026	Model priors	Applied heuristic: goalkeeping roles typically lower carryover because the key determinants are highly technical save mechanics and rule-dependent positioning rather than general athleticism. Kept near low-modest with uncertainty.	—
[122]	Shared reactive ball-tracking and shot-stopping perception	Authors n/a	N/A	Sports science reasoning	Basketball wing success reflects tracking the ball in flight and reacting quickly to attempts on goal (shots, passes). That perceptual skill transfers somewhat to handball goalkeeper shot-stopping.	—
[123]	Catching/deflecting under pressure overlap (hands)	Authors n/a	N/A	Sports science reasoning	Both roles benefit from reliable hand coordination for intercepting/controlling fast-moving balls and dealing with unpredictable trajectories.	—
[124]	Large technique mismatch: goalkeeper gear, body saves, and handball throwing/defense rules	Authors n/a	N/A	Sports science reasoning	Handball goalkeeper performance is dominated by handball-specific positioning, save types, and reading shooting angles under the rules/shot mechanics of handball. Basketball wing technique (dribble/shooting) only partially maps.	—
[125]	Different movement constraints and defensive patterns	Authors n/a	N/A	Sports science reasoning	Goalkeeper movement is typically frame coverage and explosive lateral dives/blocks in a more goal-centric space, which differs from wing-specific perimeter movement.	—
[126]	General combat-sport transfer (boxing → shot-stopping under pressure)	Authors n/a	2026	Internal reasoning	Baseline moderate positive carry-over: boxing builds calmness, reaction speed habits, and ability to stay balanced while being threatened.	—
[127]	Perceptual-motor overlap: tracking + rapid response	Authors n/a	2026	Internal reasoning	Upward adjustment because boxing trains tracking a moving opponent and quick reactions, which can help a goalkeeper read and respond to fast shots.	—
[128]	Technique mismatch: fist/guard mechanics vs stickless goalkeeping reads/footwork	Authors n/a	2026	Internal reasoning	Downward adjustment because handball goalkeeper success depends heavily on sport-specific footwork, positioning, dive technique, and hand/arm timing with ball trajectory.	—
[129]	Context mismatch: discrete exchanges vs continuous reactive frame coverage	Authors n/a	2026	Internal reasoning	Slight downward adjustment since boxing engagements are intermittent and opponent-driven, while handball goalkeeper play is continuous, high-frequency movement with structured throwing/shooting phases.	—
[130]	Variance in adaptation to ball-tracking and dive technique	Authors n/a	2026	Internal reasoning	Set a fairly large standard deviation because some athletes transfer well on perception/timing, while others struggle with goalkeeper-specific dive/positioning mechanics.	—
[131]	Bouldering → handball goalkeeper baseline via balance + bracing + reaction-ready posture	Heuristic prior / general athletic control	2026	Internal sports science heuristic	Used a modest positive baseline: bouldering supports body tension/bracing, balance, proprioception, and staying coordinated in awkward positions—useful for goalkeeper stance and recovery movements.	Open source
[132]	Transfer via rapid re-positioning and proprioception	Bayesian adjustment for reactive movement + close-range coordination	2026	Internal sports science heuristic	Adjusted upward slightly because goalkeepers need quick, whole-body re-positioning and fine control when reacting, which bouldering can train as a general skill.	Open source
[133]	Weak overlap in ball-contact + save technique	Downward adjustment for sport-specific save mechanics	2026	Internal sports science heuristic	Reduced because goalkeeper success is dominated by handball-specific skills: reading shot direction/angle, glove/arm/stickless catching mechanics, diving/landing technique tied to handball rules, and timing with ball trajectory—none are directly trained by bouldering.	Open source
[134]	Climbing (lead) → Handball (goalkeeper) transfer estimate	Internal domain knowledge / cross-skill overlap assessment	2026	Internal	Estimated small positive carry-over from shared general components: balance/proprioception, body control, and maintaining technique while fatigued/discomfort. Discounted because handball goalkeeper performance is dominated by sport-specific shot-reading/ball-tracking, hand-eye timing, catching/deflecting mechanics, explosive diving/landing, and positioning/decision-making in response to attackers—skills not directly trained by lead climbing.	Open source
[135]	Shared athletic qualities: explosive movement bursts and body control	—	2026	Internal synthesis	Supports a modest positive correlation because climbing speed indicates quick force production, coordination, and maintaining control during fast actions—useful for keeper positioning and reactions.	Open source
[136]	Low direct technique overlap: holds/vertical acceleration vs shot-blocking mechanics	—	2026	Internal synthesis	Limits correlation because goalkeeper success depends strongly on hand/arm timing, save technique, reading shot trajectories, and positioning/angle management learned through handball-specific practice.	Open source
[137]	Hand-eye/reaction transfer is partial and heavily practice-dependent	—	2026	Internal synthesis	Adds a little because reacting to fast trajectories has some general overlap, but reliable keeper performance requires extensive sport-specific repetitions and decision-making.	Open source
[138]	Close-range ball tracking and reaction transfer	General sports-skill transfer knowledge	n/a	Sports science domain knowledge	Cricket all-rounders rely on reading a fast ball and reacting quickly with hands/feet while keeping balance. Handball goalkeeper play also depends on tracking the ball early and making rapid saves at close range.	Open source
[139]	Catching/deflecting under pressure	General sports-skill transfer knowledge	n/a	Sports science domain knowledge	Both roles involve handling unpredictable ball trajectories under high pressure (cricket fielding/keeping hands; handball goalkeeper blocking/deflecting shots).	Open source
[140]	Footwork/positioning and save mechanics are sport-specific	General sports-skill transfer knowledge	n/a	Sports science domain knowledge	Handball goalkeeping is highly specific: lateral shuffle/slide timing, rebound control, save technique (wrist/forearm positioning), and anticipating based on handball shooting patterns. Cricket does not teach these exact mechanics.	Open source
[141]	Mental skills transfer but tactical context differs	General sports-skill transfer knowledge	n/a	Sports science domain knowledge	Both demand composure during bursts of danger and staying organized. But handball has different offensive/defensive schemes and shot selection cues.	Open source
[142]	Constraint: ignore reach/size advantages	General sports-skill transfer knowledge	n/a	Sports science domain knowledge	Goalkeeper performance is often influenced by reach/positioning/athletic build. Since the estimate must ignore body-proportional advantages, predictive carryover is reduced to a modest range.	Open source
[143]	Skill-overlap reasoning between cricket batter and handball goalkeeper reflex/coordination	Assumed from sports-skill overlap heuristics (no single study cited)	2026	Internal sports science synthesis	Used a moderate positive correlation because cricket batting involves strong hand–eye timing and ball-tracking, which carries over to a goalkeeper’s need to track and react to fast, close-range shots and to time hand/body positioning. However, handball goalkeeper performance also depends heavily on goalkeeper-specific technique (crouch coverage, catching/deflecting with body/stickless arms, shot-reading from angles, rebound control, rapid distribution) and the ball-handling/throwing context, which cricket batting doesn’t train directly.	Open source
[144]	Different core motor programs limit transfer	Low direct technique overlap (throw vs save mechanics)	N/A	Sports science knowledge (no single citation)	Cricket bowling is an overarm projectile-delivery motor skill; handball goalkeeper success is driven by close-range shot reactions, crouched positioning, and save/block mechanics, which are not trained by bowling.	Open source
[145]	Perception-action timing transfer from bat/ball to court ball sports	Shared ball-tracking and anticipation	N/A	Sports science knowledge (no single citation)	Both involve reading an incoming ball quickly and reacting under time pressure; bowling experience should help anticipation and positioning decisions.	Open source
[146]	Consistency under repeated high-pressure actions transfers	Repeatable technical routine	N/A	General evidence base (no single citation)	Bowlers develop repeatable mechanics and calm execution across spells; a small portion supports reliable goalkeeper responding/technique learning.	Open source
[147]	Close-range save technique dominates outcome	Goalkeeper determinants are highly specific	N/A	Sports science knowledge (no single citation)	Handball goalkeeper performance depends heavily on specific save timing, body shape, lateral/vertical coverage, and blocking angles; this caps the correlation.	Open source
[148]	Individual background differences widen outcomes	Large variability across cricket bowlers	N/A	Methodological heuristic (no single citation)	Some bowlers also have strong catching/defending exposure; others are more throwing-focused, increasing uncertainty and std dev.	Open source
[149]	Transfer priors: reactive shot-stopping and close-range tracking	—	—	General sports science knowledge	Wicketkeeping and handball goalkeeping both emphasize reading an incoming ball early and reacting quickly with high reliability, often from a low/ready position.	—
[150]	Hand–eye timing overlap	—	—	General coaching principles	Both roles rely on strong visual-motor timing and catching/deflecting skills to control the ball outcome at short time scales.	—
[151]	Demand mismatch: glove/footwork-specific and ruleset differences	—	—	General training principles	Handball goalkeeper success depends heavily on handball-specific technique (positioning in the goal area, dive mechanics, handling/deflection styles, rebound/clearance choices) that wicketkeeping does not train directly; contact and movement rules also differ.	—
[152]	Ball dynamics mismatch	—	—	General sports training considerations	The wicketkeeping ball (bounce/seam/trajectory from bowlers) differs from handball shot types (fast throws, spins, bounces and angles), limiting how directly the same catching reflex translates.	—
[153]	MTB XC → handball goalkeeper prior (general balance/reaction + movement under fatigue): low-positive	No single definitive study	2026	Internal sports science reasoning	Set a small baseline because cycling XC can improve balance/proprioception and the ability to remain coordinated during fatigue, which helps with goalkeeper movement and recovery.	Open source
[154]	Specificity penalty: save mechanics + hand-eye timing not trained in MTB	No single definitive study	2026	Internal sports science reasoning	Reduce correlation because handball goalkeeper success is dominated by sport-specific skills absent in MTB XC: tracking/anticipating shots with the hands/eyes, catching/blocking technique, lateral shuffle timing, jumping/landing angles, and reading attackers.	Open source
[155]	Limited uplift: repeated surges + uneven-terrain motor control	No single definitive study	2026	Internal sports science reasoning	Slightly increase correlation since MTB requires frequent short bursts and constant micro-adjustments of posture, which can support learning fast lateral movements and stance discipline.	Open source
[156]	Technique specificity mismatch (cycling vs goalkeeper save mechanics)	Authors n/a	2026	Internal reasoning	Cycling climber success is driven by sustained aerobic power-to-weight and pacing. Handball goalkeeper success is dominated by sport-specific reaction/anticipation, positioning, lateral explosiveness, and catching/déflection technique—minimal direct carry-over.	—
[157]	Indirect transfer (conditioning + general coordination)	Authors n/a	2026	Internal reasoning	A climber’s aerobic fitness and movement economy can slightly help with training capacity and recovery, and general balance/coordination can aid learning—raising mean slightly above zero.	—
[158]	Goalkeeper-specific hand-eye/reaction pathway largely absent	Authors n/a	2026	Internal reasoning	Key determinants like tracking the ball in real time, estimating shot trajectories, and executing saves with proper timing are not trained in road climbing.	—
[159]	High variance from unobserved prior handball/ball-sports exposure	Authors n/a	2026	Internal reasoning	Some cyclists may also have prior handball or similar throwing/catching experience; others will not. This produces a low mean but relatively high scatter.	—
[160]	Baseline general athletic/pressure transfer	Authors n/a	2026	Internal sports-science priors	Cycling sprinter success can weakly associate with goalkeeper success via general attributes like effort regulation, reaction readiness, and competitiveness; however technique overlap is limited.	—
[161]	Perceptual/anticipation overlap is modest	Authors n/a	2026	Internal sports-science priors	Both cycling racing and handball goalkeeping involve reading rapidly changing situations and responding under time pressure, supporting a small positive correlation.	—
[162]	Specificity penalty: diving/shot-handling and stickless ball-tracking	Authors n/a	2026	Internal sports-science priors	Handball goalkeeper performance depends heavily on sport-specific diving technique, positioning, ball-tracking, and shot-handling footwork. Cycling sprinter mechanics have low overlap with these skills.	—
[163]	Different movement-pattern demands (cyclic power vs explosive reactive saves)	Authors n/a	2026	Internal sports-science priors	Cycling is dominated by cyclic pedaling power and bike stability, while goalkeeping requires repeated sudden lateral drives, jumps, and hand-body coordination for saves.	—
[164]	Transfer depends on overlap in perceptual-motor and technical demands	Transfer of learning (general principle)	2020	Sports science domain knowledge (synthesis)	Used to justify a very small positive correlation: cycling TT overlaps mainly with general conditioning and training discipline, while handball goalkeeper success depends on different perceptual-motor skills.	Open source
[165]	TT performance is driven by sustained high power, pacing, and efficient position	Cycling time-trial determinants (general)	2017	Cycling physiology/skill knowledge (synthesis)	Supports lowering correlation because TT technique is pedaling/aero positioning rather than catching/shot-reaction mechanics and stick/hand timing.	Open source
[166]	Goalkeeper success depends on reactive positioning and catching/deflection timing	Handball goalkeeper determinants (general)	2016	Handball sport knowledge (synthesis)	Reduces correlation further because close-range shot reading, rapid dives/footwork, and precise hand-to-ball catching/deflecting are highly sport-specific skills not developed by cycling TT.	Open source
[167]	Overlap-heuristic: track cycling endurance → handball goalkeeper general readiness (minimal technical overlap)	N/A (estimated via transferable-demand overlap heuristic)	N/A	N/A	Estimated from shared general traits (training consistency, ability to sustain repeated high-effort bouts, general lateral/leg coordination). Strongly down-weighted because handball goalkeeper success is dominated by highly handball-specific reactive skills: shot-reading and perception, stick-less stick-and-ball-like hand timing, catching/deflecting technique, dive/landing mechanics timed to ball trajectory, and rapid lateral repositioning—all not trained by velodrome endurance cycling.	Open source
[168]	Some transfer of quickness and repeated-intensity tolerance	Authors n/a	2026	Internal domain knowledge	Cycling sprint track success implies strong lower-body power, quick bursts, and fitness for repeated hard efforts, which can help a handball goalkeeper’s explosive lateral/forward movements.	—
[169]	Goalkeeper skill is sport-specific (reaction + ball-handling)	Authors n/a	2026	Internal domain knowledge	Handball goalkeeper success relies heavily on specialized shot-stopping technique, positioning, catching/deflection mechanics, and very specific ball-hand/arm timing—skills not trained by cycling sprinting.	—
[170]	Open-skill ball trajectory anticipation not trained in velodrome sprint	Authors n/a	2026	Internal domain knowledge	Cycling sprinting is relatively predictable/closed, whereas goalkeeper play is highly open and reaction-based with variable shot types and opponent movement cues, limiting technique carry-over and increasing variance.	—
[171]	Epee success reflects timing, distance judgment, anticipatory reading, and reactive footwork/body control	Fencing performance determinants (general)	N/A	General sports science / fencing coaching literature	Supports overlap in perceptual timing and reactive whole-body positioning relevant to goalkeeper save actions.	Open source
[172]	Handball goalkeeper success depends on fast reflex saves, close-range reaction, positioning, and reading shot cues	Handball goalkeeper determinants (general)	N/A	General sports science / handball coaching literature	Shows goalkeeper performance is driven heavily by shot-reading and reflex positioning in response to ball/shot mechanics.	Open source
[173]	Transfer is modest when perception/timing overlap exists but tool mechanics differ substantially	Skill transfer principles (general)	N/A	General motor learning / sport psychology research	Justifies a modest positive correlation: shared read-and-react timing, but fencing’s blade mechanics and handball’s stick/ball-catch/deflection mechanics differ.	Open source
[174]	Transfer of training (motor/perceptual skill transfer; conceptual)	Transfer of training / perceptual-motor skill transfer (conceptual)	n.d.	General sports science literature	Used to support a modest positive correlation because foil trains timing, anticipation, and disciplined execution under pressure.	Open source
[175]	Perceptual anticipation and reaction in interactive sports	Perceptual anticipation & reaction overlap in opponent-mediated sports (conceptual)	n.d.	General perceptual-motor / sport psychology synthesis	Foil and goalkeeper both require reading cues early and reacting quickly with precise, whole-body movements.	Open source
[176]	Task specificity limits cross-sport prediction	Task specificity / mechanics mismatch (conceptual)	n.d.	General motor learning principles	Limits the ceiling because handball goalkeeper performance is dominated by sport-specific ball tracking, catching/deflection mechanics, and low-position lateral movement under handball rules—not trained by foil point control.	Open source
[177]	Estimated carry-over from fencing sabre to handball goalkeeper (skill/technique only)	Unnamed (model-based synthesis)	2026	Internal sports-science reasoning	Used to estimate a small positive correlation from overlap in reaction timing, distance/angle judgment, and explosive, well-coordinated defensive movements; heavily discounted for goalkeeper-specific determinants not trained in sabre: covering the goal frame with correct stance/footwork, save technique (dive/hand contact/shot angles), reading ball trajectory at varied heights/speeds, and throwing/distribution mechanics.	Open source
[178]	shot-stopper-to-shot-stopper prior	Bayesian prior: higher transfer when the future position is the same specialized shot-stopping role class (internal prior)	2026	Internal reasoning	Set a moderate baseline (≈0.30–0.45) because both are goalkeeper positions with similar job descriptions: reacting to close-range shots, covering the goal/frame, and managing fast attacker threats.	Open source
[179]	tracking/anticipation/positioning overlap	Process overlap adjustment: tracking + anticipation + positioning under pressure (upward adjustment)	2026	Internal reasoning	Increased because field-hockey goalkeepers and handball goalkeepers both practice reading shots early, tracking a fast projectile, staying in an efficient low/high stance, and making rapid lateral/forward saves while maintaining coverage angles.	Open source
[180]	technique mismatch	Downward adjustment: technique mismatch (stick/leg save vs hand-catching/shot-blocking)	2026	Internal reasoning	Reduced somewhat because the dominant mechanics differ: hockey relies on stick and leg blocking of a ball/skidding shot, while handball relies heavily on hand catching/parrying, torso/arm positioning, rebound control, and movement patterns specific to the handball crease and ball trajectory.	Open source
[181]	projectile dynamics & rule-context difference	Role-context adjustment: different projectile dynamics and rule constraints (small additional uncertainty)	2026	Internal reasoning	Kept variance relatively high (std dev ~0.15) because ball speed, bounce/rebound behavior, and allowed defensive body angles differ across sports, so carry-over varies more between individuals.	Open source
[182]	Internal priors: hockey outfield to handball goalkeeper via reaction/shot anticipation	Authors n/a	2026	Internal reasoning	Set a modest-to-moderate baseline since both involve reading attacks, reacting quickly, and maintaining composure under constant shot/penetration threats—skills that can generalize beyond the stick vs hand difference.	—
[183]	Specialization discount: goalkeeper-specific save mechanics differ substantially	Authors n/a	2026	Internal reasoning	Reduced correlation because handball goalkeeper success depends heavily on hand/arm reflexes, dive/landing technique, ball-tracking as a projectile (not a struck ball with a stick), angle coverage in a smaller goal, and specialized save/block sequencing and distribution—all largely not trained by hockey outfield roles.	—
[184]	Prior heuristic: golf precision to close-range shot-stopping	Authors n/a	2026	Internal sports science heuristic	Set a modest positive prior because both involve reading an incoming ball and executing accurate technique under pressure.	—
[185]	Perceptual overlap (tracking + timing)	Authors n/a	2026	Internal sports science heuristic	Slightly increase correlation: goalkeeping requires good hand-eye tracking and timing of dives/blocks, which golf can support via visual aiming/impact timing.	—
[186]	Motor-mechanics mismatch (club swing vs blocking/catching)	Authors n/a	2026	Internal sports science heuristic	Decrease correlation: elite handball goalkeeper success depends on goalie-specific reactions, body positioning, diving/landing mechanics, catching/blocking technique, and quick recoveries—largely absent in golf.	—
[187]	Interactive/reactive mismatch (opponent-driven chaos)	Authors n/a	2026	Internal sports science heuristic	Keep correlation modest because golf shots are mostly self-paced to targets, while goalkeeper actions must respond to varying shot types, angles, deflections, and attackers’ fakes.	—
[188]	Exclude body-size effects	Authors n/a	2026	Internal sports science heuristic	Kept the estimate modest given the goalkeeper role can be strongly affected by reach/height; correlation excludes those physical-trait contributions.	—
[189]	Transfer of body control, balance recovery, and landing mechanics across sports	Motor learning / coordination transfer (general)	various	Sports science / motor learning literature (general)	Used to justify a moderate positive carryover: artistic gymnastics builds elite balance recovery, body control, and controlled lowering/raising that help a goalkeeper move and recover quickly.	Open source
[190]	Transfer of interceptive timing and hand-eye coordination	Perception–action / reflexive catching timing (general)	various	Sports perception-action research (general)	Adds correlation because goalkeeper play is interceptive/reactive and relies on timing and spatial calibration of hands to the ball.	Open source
[191]	Handball goalkeeper determinants are highly specific (ball-handling, shot-reading, technique)	Handball goalkeeper specificity mismatch	various	Coaching/performance practice knowledge	Limits correlation: shot-blocking technique (dives, body angles, hand/pad positioning), reading shooter/body cues, and handball-specific ball handling are only indirectly trained in artistic gymnastics.	Open source
[192]	Rhythmic gymnastics prerequisites for goalkeeper movement quality	General balance, proprioception, and reactive movement transfer (conceptual)	N/A	Internal reasoning	Set modest positive baseline: rhythmic gymnastics builds balance, proprioception, and whole-body control that can help with quick repositioning and body control for save techniques.	Open source
[193]	Crouch control and reorientation under perturbations	Low-position stability and whole-body coordination (general)	N/A	Internal reasoning	Adjusted upward slightly because goalkeeper diving/covering often requires stable body positions from low stances and rapid reorientation—skills rhythmic athletes practice well.	Open source
[194]	Why handball goalkeeping is highly ball-and-rule specific	Hand/ball catching specificity and rule-constrained save technique limitation (general)	N/A	Internal reasoning	Adjusted downward: elite goalkeeper success depends heavily on handball-specific hand-eye timing, ball-catching/deflecting mechanics, anticipation from shooter cues, and rule-constrained save technique that rhythmic apparatus work doesn’t replicate.	Open source
[195]	Variance due to prior ball-sport/goalkeeping exposure	Athlete background variance (general)	N/A	Internal reasoning	Kept uncertainty moderate-high because transfer is larger for gymnasts with prior handball/basketball/other ball-sport or goalkeeper experience, and smaller otherwise.	Open source
[196]	Trampoline improves balance and body control for diving/recovery	General neuromotor transfer (Bayesian heuristic)	2026	Internal heuristic synthesis	Baseline modest positive carryover: trampoline develops proprioception, balance, and controlled whole-body movement, which can help with goalkeeper positioning and safe recoveries.	Open source
[197]	Landing/landing-stability and quick repositioning translate partially	Reactive movement and reflex readiness (Bayesian heuristic)	2026	Internal heuristic synthesis	Added slight upward adjustment: a keeper repeatedly dives and must re-stack posture quickly; trampoline’s landing/holding control can help early adaptation.	Open source
[198]	Close-range saves depend on hand/arm technique and ball tracking	Handball-specific save mechanics and ball-hand/shot tracking (Bayesian heuristic)	2026	Internal heuristic synthesis	Capped the correlation: goalkeeper success depends heavily on hand positioning, save technique, and tracking the ball’s speed/spin off shots—skills not trained directly by trampoline.	Open source
[199]	Goalkeeper decisions are opponent/shot-dependent, not self-timed	Opponent-driven perception-action loop (Bayesian heuristic)	2026	Internal heuristic synthesis	Adjusted downward: trampoline reactions are largely self-generated; handball requires continuous opponent-dependent reading (shooting cues) and decision timing.	Open source
[200]	Handball backcourt → handball goalkeeper	Authors n/a	2026	Internal sports-science reasoning	Estimated high correlation because both roles share the same sport-specific ball tracking, hand-eye coordination, throwing/release familiarity (overarm mechanics), and tactical reading of shot direction/timing under pressure; goalkeeper-specific demands (crouch/stance, shot-stopping positioning, rebound control, diving/extension mechanics) reduce it from near-perfect.	—
[201]	Heuristic estimate from intra-sport position transfer within handball (pivot vs goalkeeper) focusing on shared perceptual/ball-tracking and ball-handling/timing skills; excluding height/reach and other body traits	OpenAI sports-science reasoning model	N/A	N/A	Used to set a high-but-not-extreme correlation because both positions are in the same sport and both depend on elite reading of ball flight, anticipation, and close-range reactions/positioning; lowered because pivot success is mainly offensive close-quarter body battles and shooting/pass timing, while goalkeeper success depends on specific save techniques and reaction mechanics.	Open source
[202]	Wing → handball goalkeeper: perceptual timing/reaction carryover from shooting faced to saving	Shared handball ball-tracking and reaction under shot pressure	2026	Assistant synthesis	Used to set a modest positive correlation because both roles depend on reading the ball quickly, anticipating shot direction, and reacting at high tempo.	—
[203]	Wing: transition play, angle-based shooting, and quick offensive decision making	Handball wing skill requirements	2026	Assistant synthesis	Identified transferable components like game-reading, understanding shooting angles, and timing actions while moving.	—
[204]	Goalkeeper: save technique, positioning within the frame, blocking/deflection mechanics, and catching under different shot types	Handball goalkeeper skill requirements	2026	Assistant synthesis	Explained limiting factors: goalkeeper success is dominated by specialized save mechanics (feet/body positioning, catching vs blocking, shot anticipation patterns) that are not trained in wing play, capping correlation.	—
[205]	Shared goalkeeper perceptual-motor demands across ball/puck invasion games	Goalkeeper role similarity: close-range reaction and angle coverage (general)	N/A	Sports science synthesis (general)	Ice-hockey defense includes protecting the net zone and reacting to close-range threats, which aligns cognitively with handball goalkeeper responsibilities (shot reaction, coverage, angle management).	Open source
[206]	Read-and-react under time pressure in interceptive/catching roles	Perceptual tracking and anticipation under threat (general)	N/A	Sports psychology/perception-action (general)	Both settings require tracking a fast incoming ball/puck and anticipating where it will go to make a save/block decision.	Open source
[207]	Different save mechanics reduce correlation despite similar roles	Technique specificity limits cross-sport transfer (general)	N/A	Motor learning research (general)	Handball goalkeeping uses hand/arm catching and blocking mechanics plus specific footwork in a confined goal area; ice-hockey defense/coverage does not train those exact save techniques.	Open source
[208]	Movement pattern differences reduce skill carryover	Mobility/surface constraints differ (general)	N/A	Biomechanics/sport mechanics (general)	Ice skates and stick-related positioning differ from the handball goalkeeper’s movement patterns on a court, limiting technical transfer.	Open source
[209]	Modest positive correlation when sports share goalkeeper-like perceptual demands	General cross-sport priors (reactive shot-stopping, anticipation)	N/A	Sports science synthesis	Used a modest baseline because both roles require fast tracking/anticipation of a ball moving toward a goal and reacting under time pressure.	Open source
[210]	Ice hockey forward demands (puck tracking + quick decisions)	Ice hockey forward demands	N/A	Training/sport knowledge base	Supports correlation slightly via transferable perceptual skills: reading where the puck/shot is going and reacting quickly.	Open source
[211]	Handball goalkeeper demands (positioning in goal + save mechanics)	Handball goalkeeper demands	N/A	Training/sport knowledge base	Limits correlation because true goalkeeper excellence depends heavily on goalkeeper-specific save mechanics, angles, catching/blocking technique, and organizing the defense—very different from forward stick/puck play.	Open source
[212]	Transfer of learning from ice hockey goalkeeper to handball goalkeeper	Goalkeeping transfer reasoning (shared shot-stopping fundamentals: tracking, anticipation, positioning, reactive decision-making)	N/A	Sports science reasoning (no single empirical dataset specified)	Estimated correlation based on strong overlap in goalkeeper fundamentals (read-anticipate-react, angles/stance/positioning, lateral movement and recovery, decision-making under fast pressure). Discounted differences in sport-specific ball/stick dynamics and technical mechanics of saving/handling unique to each sport.	Open source
[213]	Heuristic estimate: judo improves balance recovery and reactive whole-body movement for handball goalkeeping	Heuristic: grappling/judo balance + reactive body control → handball GK reaction saves	Unknown	Sports science reasoning	Used to support a modest positive correlation because judo develops balance under force, safe falling/body-protection habits, and fast whole-body reorientation that can help a goalkeeper react and cover shots.	—
[214]	Heuristic estimate: handball goalkeeper success depends on ball/arm-and-stick-specific technique not trained in judo	Heuristic: sport-specific handball mechanics limit transfer	Unknown	Sports science reasoning	Used to cap the correlation since handball GK performance depends heavily on catching/deflecting trajectories, positioning/geometry within rules, and ball-handling/arm technique against a moving ball—skills not directly trained in judo.	—
[215]	Ball tracking + reaction under pressure transfer	Internal sports-science synthesis	2026	Model reasoning	Increases correlation because lacrosse attacker success indicates strong ball tracking, quick reaction timing, and coordination for catching/controlling a fast-moving ball in traffic—skills conceptually relevant to handball goalkeeper saves.	—
[216]	Goalkeeper-specific technical mismatch (gear, positioning, save mechanics)	Internal sports-science synthesis	2026	Model reasoning	Reduces correlation because handball goalkeeper performance depends heavily on highly specific save techniques, stance/positioning, dive timing, and interaction with the ball under handball rules (and glove-less hand handling/deflection patterns), which lacrosse attacker play does not train in the same way.	—
[217]	Stick-based contact vs hand-only throwing/catching environment	Internal sports-science synthesis	2026	Model reasoning	Reduces correlation because lacrosse uses a stick for controlling/striking, whereas handball goalkeeper tasks are centered on two-hand/one-hand ball handling and catching/deflecting mechanics. This creates technique noise.	—
[218]	Cross-sport transfer intuition (lacrosse defender → handball goalkeeper)	Authors n/a	2026	Sports science reasoning	Used a modest positive correlation because both roles emphasize reactive shot-stopping, reading attackers quickly, positioning to cover the most dangerous angles, and staying composed amid physical traffic. Reduced because lacrosse defending relies heavily on stick-checking and different ball-flight/deflection dynamics, while handball goalkeeper success is driven by hand/arm save technique (dive/leg positions), close-range reaction biomechanics, and handball-specific throw angles.	—
[219]	Strong functional overlap: shot-stopping role and positioning decisions	General sport-transfer reasoning (no single paper)	2026	Sports science knowledge synthesis	Both lacrosse goalkeeper and handball goalkeeper specialize in reacting to shots, getting into the right position, and making fast decisions to cover the goal/maintain coverage.	Open source
[220]	Perceptual timing overlap: track ball flight and react quickly	General sport-transfer reasoning (no single paper)	2026	Sports science knowledge synthesis	Both roles require tracking a fast ball off the shooter, anticipating trajectory/shot type, and executing timely saves—supporting moderate positive transfer.	Open source
[221]	Technical mechanics mismatch: stick-based saves vs arm/leg blocking and rules	General sport-transfer reasoning (no single paper)	2026	Sports science knowledge synthesis	Lacrosse uses a stick for save/catch mechanics and stick/body positioning; handball depends on hand/arm/leg blocking, goalkeeper-specific movement in the frame, and handball rules. This limits the correlation from being very high.	Open source
[222]	Different contact and collision patterns increase individual variance	General sport-transfer reasoning (no single paper)	2026	Sports science knowledge synthesis	Handball goalkeepers face different types of close-range traffic and physical contact than lacrosse goalies, increasing spread around the mean.	Open source
[223]	Reaction-time and ball-tracking skill overlap between stick-and-ball play and shot-stopping	Close-range reaction + ball tracking transfer	N/A	Sports science synthesis (no single study)	Used to justify a modest positive correlation because both roles require tracking a fast ball and reacting at short range with timing/positioning while under pressure.	Open source
[224]	Anticipation from contested, high-speed contexts	Save-positioning/anticipation from chaotic invasion contexts	N/A	Sports science synthesis	Added correlation because lacrosse midfielders learn to read trajectories/intent in traffic and commit decisions under physical congestion—useful when a goalkeeper must anticipate shot direction/shot timing.	Open source
[225]	Technique specificity limits predictive transfer	Technique specificity: stick-catcher vs glove/pad stopping	N/A	General performance knowledge	Reduced the estimate because field hockey/lacrosse-type stick catching and lacrosse ball trajectory differs from handball goalkeeper mechanics (glove/arm/pad positioning, diving mechanics, rebound control, and rules of handling/deflection).	Open source
[226]	Different ball dynamics and allowable goalkeeper actions	Rule/ball dynamics mismatch	N/A	General performance knowledge	Further reduced correlation because handball has different ball bounce/flight characteristics, shot speed/angles, and goalkeeper constraints (e.g., when and how you can move/handle), affecting calibration and technique learning.	Open source
[227]	Padel-to-handball-goalkeeper transfer estimate (technique/learning overlap only)	Internal skill-transfer calibration (no external study supplied)	2026	Internal reasoning	Assessed shared elements: rapid reaction to a small fast-moving ball, reading shot direction early, and learning to stay organized during frequent high-intensity exchanges. Reduced because handball goalkeeper success depends on highly specific catching/blocking mechanics (goalkeeper positioning in the crease, dive/jump timing, hand positioning, deflection handling), plus handball-specific ball handling and shooting trajectories that differ from padel’s racket rebound/angled-wall environment.	Open source
[228]	Shared fast reaction and ball-tracking demands	Authors n/a	2026	Internal reasoning prior	Pickleball trains rapid read-and-react skills and tracking a fast ball/shuttle. Handball goalkeeper also needs quick perception and reaction to close-range shots, giving a modest positive correlation.	—
[229]	Lateral movement and recovery overlap (dive/step patterns)	Authors n/a	2026	Internal reasoning prior	Goalkeeping involves repeated lateral shuffles and explosive saves with quick recovery. Pickleball’s constant side-to-side rally movement provides some transferable coordination.	—
[230]	Save technique mismatch: paddle returns vs stick/hand saves and angles	Authors n/a	2026	Internal reasoning prior	Goalkeeper success in handball is heavily determined by sport-specific catching/blocking/hand positioning and diving technique. Pickleball paddle mechanics don’t train those directly, limiting correlation.	—
[231]	Different shot types and release cues	Authors n/a	2026	Internal reasoning prior	Handball shots vary in speed/spin/trajectory and come from defined shooting forms. Pickleball’s cue structure differs, adding noise to transfer of anticipation cues.	—
[232]	Risk/decision context differs (team defense structure vs rally tempo)	Authors n/a	2026	Internal reasoning prior	Handball goalkeeper decisions depend on teammates’ defensive shapes and coordinated team defense, while pickleball has different tactical context. This reduces predictive strength.	—
[233]	Transfer reasoning (row rowing lightweight → handball goalkeeper): endurance/coordination carry-over vs limited overlap in ball-handling reflex + diving mechanics	Internal synthesis: lightweight rowing → handball goalkeeper	2026	Internal synthesis	Used overlap in general athletic coordination, posture/balance control, and ability to maintain technical output under fatigue. Down-weighted because handball goalkeeper success depends heavily on sport-specific perceptual-motor skills: tracking close-range shot trajectories, rapid stance/jump timing, catching/blocking technique, diving mechanics, and very specific reaction/decision-making patterns not trained by rowing’s cyclic stroke.	—
[234]	Rowing does not train handball-specific goalkeeper receiving and throwing mechanics	Non-specified (technique specificity: throwing/catching)	n/a	Sports science consensus	Caps carry-over because rowing’s cyclic propulsion doesn’t train close-range reactive catching, shot-blocking footwork, or goalkeeper throwing/pass mechanics.	Open source
[235]	Whole-body coordination and balance can help with defensive movement patterns	Non-specified (coordination & balance transfer)	n/a	Sports science consensus	Adds a small positive effect since rowing develops balance and body control, which can help with low lateral movement and maintaining positioning.	Open source
[236]	Repeated high-intensity conditioning helps maintain performance across match demands	Non-specified (training tolerance)	n/a	Sports science consensus	Slightly increases correlation because goalkeeper play involves repeated explosive efforts and sustained sharpness, and rowers often adapt well to demanding training loads.	Open source
[237]	Reactive ball-handling overlap (anticipation, reflexes, catching)	Authors n/a	n/a	Sports science transfer synthesis (no single canonical citation)	Rugby halfback/midfield success involves fast scanning, anticipation, and handling a moving ball under pressure, which can weakly transfer to a handball goalkeeper’s need for rapid reaction and save preparation.	—
[238]	Save-specific technique mismatch (specialized goalkeeper body angles and reception)	Authors n/a	n/a	Coaching-position-demand synthesis (no single canonical citation)	Handball goalkeeping depends heavily on goalkeeper-specific positioning, body angles, and catching/blocking mechanics; rugby distribution/kicking doesn’t train these save techniques directly.	—
[239]	Different ball trajectories and contact/impacts constraints	Authors n/a	n/a	Constraint mismatch synthesis	Rugby ball contact patterns and kicked/passed trajectories differ from handball shot trajectories and reaction range inside the goal area, reducing direct hand–eye/receiving transfer.	—
[240]	High conversion variance from non-goalkeeper backgrounds	Authors n/a	n/a	Bayesian conversion variance prior (no single canonical citation)	How quickly rugby players develop true goalkeeper save mechanics (and confidence/timing for close-range shots) varies a lot, so the spread is fairly large.	—
[241]	Rugby loose forward → Handball goalkeeper overlap assessment	N/A (model-based estimation)	2026	Internal sports science reasoning (no single external source used)	Estimated carry-over by crediting transferable elements from rugby loose-forward success: general athleticism, high work-rate, reactive decision-making in fast-changing play, ability to stay composed under physical pressure, and baseline catching/fielding coordination. Discounted dominant handball-goalkeeper determinants: goalkeeper-specific reflex timing, shot-reading from the ball/kicker cues, close-range positioning in the goal frame, dive technique/mechanics (lateral, forward, backward), ball-handling and catching/rebound control, and the specific lateral footwork/stance discipline required in handball.	Open source
[242]	Close-range reaction and shot-stopping reflexes	—	N/A	Sports science synthesis	Outside backs develop reactive responses to sudden changes and threats in open play; this can modestly help with goalkeeper reflexes and timing on fast shots.	Open source
[243]	Lateral mobility and recovery under pressure	—	N/A	Sports science synthesis	Evasion, acceleration/deceleration, and recovery skills transfer somewhat to the goalkeeper’s need to move laterally and re-center quickly.	Open source
[244]	Ball tracking/handling competence	—	N/A	Sports science synthesis	Rugby involves repeatedly tracking a ball and handling it under pressure; that supports general perceptual skills useful for goalkeeping.	Open source
[245]	Major technique mismatch: handball-specific catching/blocking and save mechanics	—	N/A	Sports science synthesis	Handball goalkeepers rely on very specific save techniques (catching/deflecting with correct body angles, footwork in the crease, reaction sequences) which rugby outside-back play doesn’t train directly.	Open source
[246]	Role constraint mismatch (non-crouched open play vs framed goal area)	—	N/A	Sports science synthesis	Goalkeeper success is strongly driven by positional habits around the goal area and the specific movement constraints of handball; rugby’s outside-back role is mostly upright open-field running.	Open source
[247]	Skill-transfer plausibility framework (contact tolerance + reactive composure → handball goalkeeper save/reaction habits)	N/A (synthesis)	2026	Internal reasoning	Used to estimate carry-over from rugby union tight-five success (scrum/contact force, collision resilience, composure under physical stress, general ball-tracking/handling from contested play) to handball goalkeeper success (low-position reactive saves, frame coverage habits, quick recognition and reaction loops), discounting non-skill body-trait/proportion effects like reach.	Open source
[248]	Dynamic balance + force-absorption transfer	Reasoned synthesis (no single dataset assumed)	2026	Sports science reasoning	Downhill/super-G skiing success involves staying balanced at speed, absorbing large forces, and quickly re-centering—useful for handball goalkeeper’s stance, lateral coverage, and recovery after saves.	Open source
[249]	Mismatch in catching/blocking specific mechanics	Reasoned synthesis (no single dataset assumed)	2026	Skill transfer reasoning	Handball goalkeeper performance depends strongly on sport-specific catching/deflecting, footwork to the ball, and save technique under rule constraints; skiing does not train these ball-contact mechanics.	Open source
[250]	Opponent-driven shot reaction vs fixed-course control	Reasoned synthesis (no single dataset assumed)	2026	Cognitive/temporal reasoning	Skiing is primarily continuous line-holding on a fixed course, while goalkeeper play is discrete, opponent-driven reactive saves to varied shot types and trajectories.	Open source
[251]	Transfer of dynamic balance and rapid body re-positioning to reaction-based defense roles	Dynamic balance and reactive re-centering transfer	N/A	General sports science principles	Used to justify a small positive correlation: alpine technical skiing develops whole-body stability, fast re-aiming, and force absorption that can help a handball goalkeeper’s stance control and lateral recoveries.	Open source
[252]	Goalkeeper performance depends on sport-specific shot-tracking and catching/deflection technique	Handball goalkeeper specificity (shot reaction + catching/deflection mechanics)	N/A	Handball coaching/skill acquisition principles	Capped correlation because the decisive factors for a goalkeeper include tracking the ball from close range, glove/arm-body positioning, catching vs parrying technique, and landing/impact mechanics specific to handball.	Open source
[253]	Cueing constraints differ strongly across sports	Perceptual-cognitive mismatch (terrain-driven cues vs opponent/ball trajectory cues)	N/A	Motor learning/perception principles	Reduced overestimation: skiing cues come from self-controlled terrain/edges, while a goalkeeper’s job is continuous opponent-driven ball tracking and anticipating shots within handball tactical context.	Open source
[254]	Transfer estimate (ski XC → handball goalkeeper)	Modeled endurance/balance transfer with limited ball-skill overlap (ski XC → handball GK)	2026	Sports science reasoning (modeled)	Assigned a very small positive correlation because cross-country skiing suggests aerobic stamina, balance, and coordination useful for goalkeeper match work, but goalkeeper success depends heavily on sport-specific shot-tracking, diving/blocking mechanics, and ball-handling/timing that skiing does not train directly.	Open source
[255]	Balance and lower-body proprioception for goal coverage	Dynamic balance & stance control carryover (no single dataset)	2026	Internal heuristic	Snowboarding develops dynamic balance and proprioception that can help a goalkeeper maintain good stance alignment, recover position after perturbations, and move into saves with stability.	Open source
[256]	Reading trajectories and reacting quickly	Visual tracking / reaction timing partial overlap (no single dataset)	2026	Internal heuristic	Both sports require rapidly judging moving trajectories and adjusting body position in real time; this can slightly support early development of save timing.	Open source
[257]	Ball/arm handling and blocking mechanics differ	Shot-stopping technique mismatch (no single dataset)	2026	Internal heuristic	Handball goalkeeper success is dominated by highly specific blocking/catching techniques, hand positioning, and shot-specific reading; snowboarding doesn’t train repeatable shot-stopping mechanics.	Open source
[258]	Dive/landing and recovery mechanics not directly trained	Dive/save surface mechanics mismatch (no single dataset)	2026	Internal heuristic	Snowboarding’s falls/landings share general coordination, but handball’s save dives, lateral push-offs, and recovery on indoor court surfaces are distinct—limiting technique transfer.	Open source
[259]	Anticipation and read-the-play skills transfer more between roles that are both reactive defenses	Perceptual-cognitive transfer in interactive ball sports (general)	2010-2020	Applied sport science/perceptual-cognition literature (general)	Central defender success reflects strong anticipation of ball/shot direction and decision-making in chaotic attacking situations; handball goalkeeper is also highly reactive-defense, so this boosts expected correlation.	Open source
[260]	Visuomotor coordination and reaction timing carry over when the task is intercepting/defending a fast-moving ball	Visuomotor and timing transfer in shot/defense tasks (general)	2010-2020	Motor learning/visuomotor literature (general)	Both roles require tracking a rapidly moving ball and reacting at the right moment, supporting moderate positive correlation.	Open source
[261]	Transfer is limited when core technique mechanics differ strongly (hands/stick vs feet/body contact)	Technique architecture mismatch (general)	2010-2020	Sports transfer-of-training research (general)	Soccer central defending depends on tackling/heading/body positioning, while handball goalkeeping depends on catching/deflecting with specific arm/hand timing and goalkeeper positioning rules; this caps correlation.	Open source
[262]	Because goalkeeper demands are highly specialized, correlation from other sports is usually modest even when the role is conceptually similar	Role specialization effects (general)	2010-2020	Applied coaching/role-specialization literature (general)	Even within similar defensive roles, goalkeeper-specific footwork, jump/catch mechanics, and shot-read patterns add variance, increasing uncertainty and keeping correlation from being too high.	Open source
[263]	Techniques/anticipation overlap estimate: soccer central midfielder → handball goalkeeper	General sports-transfer reasoning (skill/learning overlap framework)	2026	Internal synthesis	Estimate carry-over via transferable elements: reading attackers/ball, quick decision-making, staying mentally engaged during intermittent action, and reacting/diving with balance. Discounted sport-specific overlap: handball goalkeeper’s glove/pad positioning, save techniques, reaction timing relative to handball release angles/spin, two-step/landing rules, and dealing with handball-specific shots/angles that are not trained via soccer midfield play.	Open source
[264]	Transfer prior: high when both sports share the goalkeeper role (close-range shot reaction + positioning)	Role match / shot-stopping prior	2026	Internal reasoning prior	Sets a high baseline (~0.5–0.7) for carry-over when both are goalkeeping shot-stopper roles with similar decision demands.	Open source
[265]	Soccer GK → handball GK: anticipation, reaction timing, lateral positioning, defensive organization	Soccer goalkeeper transferable components	2026	Internal reasoning prior	Supports high correlation because both roles rely on reading attackers/shots early, fast reflex saves, staying square/positioned, and handling pressure as the last defender.	Open source
[266]	Handball GK constraints: glove/blocking rules, 6m/7m context, and different catching/deflecting mechanics	Handball goalkeeper constraints	2026	Internal reasoning prior	Reduces correlation because handball goalie success is heavily dependent on sport-specific technique: legal save mechanics, how/when you block with arms/legs, and reaction patterns to throws/angles not practiced in soccer.	Open source
[267]	Shared pressure/reaction transfer with limited technique overlap	Internal Bayesian transfer estimate (soccer striker → handball goalkeeper)	2026	Model reasoning	Used to estimate low positive carryover because both involve reacting quickly to high-stakes shots and reading opponents in a team sport. Reduced because handball goalkeeper performance depends heavily on handball-specific save technique (dive mechanics, hand placement, ball rebound/deflection handling), goal-area positioning, and rules-specific footwork/charging—largely different from striker finishing with feet.	—
[268]	Perceptual anticipation and reactive timing transfer (general)	—	2026	General sports science reasoning	Used to support positive carry-over because both soccer winger success and handball goalkeeping depend on reading opponents/ball trajectory and reacting quickly.	Open source
[269]	Hand–eye coordination and catching/shot-saving alignment (general)	—	2026	General sports science reasoning	Used to account for overlap in tracking a fast-moving ball and coordinating a limb/body response.	Open source
[270]	Technique specificity: saving mechanics differ strongly by sport and equipment	—	2026	General sports science reasoning	Capped by the fact that handball goalkeeping is dominated by sport-specific save techniques (arm/wrist positioning, jump/landing angles, dealing with shots that arrive after passes, and close-range shot patterns) that soccer winger training does not develop.	Open source
[271]	Role mismatch within the two team sports (outfield vs goalkeeper)	—	2026	General sports science reasoning	Reduced correlation because soccer winger role skills (dribbling/kicking, creating chances) only partially map to goalkeeper duties (catching, blocking, starting set saves from the goal line/frame).	Open source
[272]	Softball catcher → handball goalkeeper estimated carry-over	Heuristic sports-transfer model (reactive receiving/blocking + read-and-respond overlap; technique mismatch)	2026	Internal synthesis	Estimated moderate carry-over from catcher to handball goalkeeper via shared core competencies: staying low/ready, tracking an incoming fast ball, rapid reactive hand/arm positioning, and blocking/stop skills. Discounted for major technique differences: handball goalkeeper uses different save mechanics (body positioning within the goal frame, specific dive/leg/arm saves), court dimensions, shot types, ball bounce/trajectory, and catching without the same pitch-reception/blocking framework.	—
[273]	Baseline prior: softball field-player → handball goalkeeper (technique-only)	Unknown (modeled estimate)	2026	Internal sports-science prior	Start low-positive because softball fielding shares ball-tracking and reflexes, but handball goalkeeper technique (dives, catching angles, positioning rules) is specialized.	—
[274]	Positive contributors: reaction to fast ball, lateral movement, and ball-hand coordination	Unknown (modeled estimate)	2026	Internal sports-science prior	Field players develop reading the ball early, fast reactions, and coordinated lateral movement—useful for handball goalkeeper save readiness.	—
[275]	Mismatch factor: goalkeeper-specific dive mechanics + handball ball dynamics and rule set	Unknown (modeled estimate)	2026	Internal sports-science prior	Handball goalkeeping depends heavily on handball-specific saving technique: dive/landing mechanics, catching/ball rebound control, positioning relative to shot angle, and understanding close-range shot trajectories—skills not trained directly by softball fielding.	—
[276]	Cross-sport skill transfer estimate (softball pitcher → handball goalkeeper)	Internal sports-skill overlap estimate (softball pitcher → handball goalkeeper)	2026	Internal model	Used a low-positive estimate based on overlap in ball-tracking, anticipatory reading, and reactive catching/throwing coordination under pressure. Reduced because handball goalkeeper performance is dominated by goalkeeper-specific positioning in the crease, shot-handling technique (pads/body angles), rapid lateral recovery steps, close-range save timing, and handball-specific ball dynamics plus rules that pitching doesn’t train directly.	Open source
[277]	Cross-sport transfer heuristic (squash → handball goalkeeper)	Internal domain reasoning	N/A	N/A	Estimated carry-over based on shared perceptual-motor demands (tracking/reading a fast ball, rapid reaction/anticipation, lateral and explosive movement in confined space) while discounting handball-goalkeeper specific technique (hand positioning/deflections, catching under impact, 1v1/angle coverage, rule-specific save mechanics, and close-range shot handling) that squash does not train directly.	Open source
[278]	Surfing → handball (goalkeeper) skill/transfer model	Internal synthesis: surfing → handball goalkeeper transfer estimate	2026	Internal synthesis	Low-to-small positive carryover assumed: surfing’s dynamic balance, body control, and ability to recover/adjust while unstable can help with goalkeeper positioning and quick reactions; subtract because handball GK success depends on highly specific shot-stopping mechanics, lateral movement/stance technique, and catching/rebound control not trained by surfing.	Open source
[279]	Hand-eye coordination / timing and body control transfer	Authors n/a	2026	Internal model	Small positive contribution: backstroke middle-distance develops timing, coordination, shoulder/upper-body control, and the ability to execute technically under fatigue—useful for keeping reaction quality in goalkeeper training.	—
[280]	Low direct technical overlap (swimming underwater mechanics vs goalkeeper stickless diving/catching)	Authors n/a	2026	Internal model	Reduced correlation: swimming does not train handball goalkeeper-specific skills such as shot tracking and catching radius, dive/landing mechanics to the correct side, positioning against angles, rebound control, and glove/arm-hand technique for fast close-range attempts.	—
[281]	Adversarial perceptual demands differ	Authors n/a	2026	Internal model	Adjusted downward slightly: goalkeeper success depends heavily on real-time reading of shooter cues and rapid decision-making under chaotic movement, while swimming is mostly self-paced pacing/rhythm with different stimulus timing.	—
[282]	General explosive movement + repeatability overlap	Authors n/a	2026	Internal reasoning	Sprint backstroke success relies on short-burst explosiveness, high-tempo execution, and maintaining technique under intense effort; handball goalkeeper also needs rapid, repeated explosive reactions and movement quality in short windows.	—
[283]	Major goalkeeper skill specificity gap (shot tracking/catching/deflections)	Authors n/a	2026	Internal reasoning	A handball goalkeeper’s performance depends strongly on sport-specific perceptual-motor skills: reading the shooter, tracking the ball at varied speeds/angles, catching/deflecting with precise body positioning, and rebound control—skills not trained by backstroke sprinting.	—
[284]	Guard/stance and footwork patterns differ	Authors n/a	2026	Internal reasoning	Backstroke sprinting and turns don’t train the goalkeeper’s lateral shuffles, split-step/stance timing, dive/landing mechanics, and frame management that are key in handball goalkeeping.	—
[285]	Interactive timing vs clocked race timing	Authors n/a	2026	Internal reasoning	Swimming sprint is primarily against the clock with rehearsed sequences (start/turn/tempo), while goalkeeping is highly interactive with unpredictable shot timing and body/ball trajectories.	—
[286]	Bayesian calibration to low technique transfer between interactive ball-sports and swimming	Authors n/a	2026	Internal reasoning	Kept in a low-but-nonzero range given some shared general athletic traits, but large mismatch in the core technique/perception demands.	—
[287]	Transfer of learning	Transfer of learning (general coordination + discipline)	2026	Internal synthesis	Used to justify a small baseline carry-over: swim middle-distance success indicates strong coordination, rhythm, and ability to maintain technical form under fatigue.	Open source
[288]	Motor learning and specificity	Motor learning specificity (movement-pattern mismatch)	2026	Internal synthesis	Down-weights correlation because breaststroke propulsion timing and hydrodynamic arm-leg coordination do not directly train handball goalkeeper mechanics (dive/landing angles, lateral shuffling, shot-tracking from stickless throws, ball-handling/positioning).	Open source
[289]	Perception and anticipation in sport (general)	Perceptual-cognitive mismatch (reactive tracking under opponent actions)	2026	Internal synthesis	Allows only modest overlap: both require timing and attention, but handball goalkeeping depends heavily on reading shooter body/ball release and reacting to unpredictable close-range shot trajectories.	Open source
[290]	Sports conditioning differences (general)	Conditioning/energy-structure mismatch	2026	Internal synthesis	Reduces predictive power because swimming middle-distance is sustained rhythm/efficiency, while goalkeeping involves repeated short bursts, explosive lateral movements, and repeated dives between moments of lower activity.	Open source
[291]	Correlations are small when sports differ in core technique/skill system; only general athletic timing/coordination carries over	General sports science on cross-sport transfer	n/a	Sports science generalization	Sets baseline low because swimming breaststroke sprint propulsion is water/limb-coordination specific and handball goalkeeper depends on close-range shot reaction and blocking technique.	Open source
[292]	Sprint breaststroke is timing-heavy and requires coordinated arm-leg action plus explosive starts/turns/walls	Swimming sprint breaststroke determinants (general)	n/a	Swimming biomechanics/coaching (general)	Allows a small positive adjustment via transferable general coordination, explosive movement, and training discipline.	Open source
[293]	Goalkeeper success depends on reacting to shots, tracking ball trajectory, and blocking/positioning mechanics under constraints	Handball goalkeeper determinants (general)	n/a	Handball coaching/skills (general)	Limits carry-over because goalkeeper-specific reaction timing and blocking/positioning mechanics are not trained by breaststroke sprint.	Open source
[294]	Transfer is usually limited when learned mechanics differ strongly	Motor learning / transfer-of-learning reviews (general)	various	Motor learning & sport science literature	Butterfly middle-distance’s learned mechanics (water propulsion/undulation rhythm) overlap only partly with handball goalkeeper’s close-range save actions and lateral positioning.	Open source
[295]	Goalkeeping performance depends heavily on sport-specific perception-action coupling	Perception–action and interception timing literature (general)	various	Perception-cognition / sports biomechanics literature	Handball goalkeeper success is dominated by reading shot trajectory/reaction timing and executing sport-specific blocking/diving mechanics.	Open source
[296]	General coordination, body control, and technique discipline can transfer somewhat	Training transfer / general athletic substrate themes (review-level)	various	Sports training / exercise science literature	A high-level swimmer typically brings coordination, body control, and good practice discipline, giving a small learning advantage even when mechanics differ.	Open source
[297]	Technique maintenance under effort generalizes modestly	Fatigue/technique maintenance under repeated effort (general; e.g., Docherty et al./McGowan & Pyne themes)	various	Sports physiology & motor control literature	Butterfly requires keeping form as fatigue builds; goalkeepers also need repeated high-quality actions across matches/training, supporting a small positive carryover.	Open source
[298]	Model reasoning: transfer from butterfly sprint success (upper-body coordination, rhythm, sustaining technique under short maximal fatigue) to handball goalkeeper (reactive saves, positioning, catching/deflecting)	N/A (estimation)	2026	Model reasoning	Estimated small positive correlation based on general coordination/upper-body power and ability to keep mechanics stable under intense fatigue; discounted major sport-specific goalkeeper skills (shot trajectory reading, catching/deflection mechanics, diving/landing technique, crouch/stance positioning) and handball-specific arm-ball contact timing.	—
[299]	How basic coordination/reactivity can transfer to interception roles	General reaction timing and whole-body coordination transfer	N/A	Sports science heuristics (domain knowledge)	Distance freestyle success implies good whole-body coordination and the ability to keep technique when fatigued, which can slightly help a goalkeeper’s rapid repositioning and reactive movement training.	Open source
[300]	Why swimming doesn’t directly map to handball goalkeeping skills	Ball-sport technical specificity (catching/blocking mechanics)	N/A	Sports science heuristics (domain knowledge)	Handball goalkeeper success is driven by sport-specific perception, catching/blocking techniques with gloves/body angles, explosive lateral/shuffling saves, and coordinating dives/recovery—skills not trained by front-crawl propulsion.	Open source
[301]	Limited but non-zero upper-limb timing carry-over	Upper-limb timing overlap is limited to general skill acquisition, titleTextSameAsTitle?true,	N/A	Sports science heuristics (domain knowledge)	There is some general overlap in arm/shoulder sequencing and timing under fatigue, but save mechanics and glove/ball contact timing are still largely new, keeping correlation low.	Open source
[302]	Endurance and fatigue tolerance aiding goalkeeper training consistency	Fatigue tolerance supports training volume	N/A	Sports science heuristics (domain knowledge)	Even though the energy system differs, swimmers often tolerate hard practice and can maintain motor control, improving the ability to accumulate goalkeeper training reps over time.	Open source
[303]	General athletic transfer: coordination and training discipline	Authors n/a	2026	Internal reasoning	Gave a small baseline correlation since middle-distance freestyle success indicates consistent training, body control, and staying coordinated under fatigue—useful for learning any goalkeeper fundamentals.	—
[304]	Low direct technical overlap: swimming propulsion vs shot-stopping mechanics	Authors n/a	2026	Internal reasoning	Kept correlation low because handball goalkeeper success depends mainly on dive/stance/positioning, reading shooters, and stickless ball reaction mechanics—none of which are trained by front crawl.	—
[305]	Minor perceptual/reactive overlap: tracking fast-moving stimuli	Authors n/a	2026	Internal reasoning	Added only a modest amount because both involve rapid reaction and tracking moving targets, though the stimulus-response mapping differs.	—
[306]	Perceptual-cognitive skill and transfer in interactive sports (anticipation/occlusion)	Abernethy, et al.	1990-2010	Sport vision & perception literature	Supports a small positive correlation via general anticipation and reactive coordination, relevant to reacting to shots.	—
[307]	Visual-motor demands in ball sports and goalkeeping-like reactions (representative)	Farrow, et al.	2000-2022	Sport skill acquisition / vision-motor research	Used to cap the correlation: goalkeeper success depends strongly on sport-specific ball tracking and timing.	—
[308]	Reactive movement and change-of-direction transfer limits across sports	Sheppard, et al.	2005-2019	Biomechanics/conditioning research	Used to justify that handball goalkeeper movement mechanics (lateral shuffles, dive angles, recovery steps) are technique-specific.	—
[309]	Determinants of handball goalkeeper performance: positioning, reaction, and technique	Hohmann / handball goalkeeper performance reviews (representative)	2000-2023	Handball goalkeeper performance literature (representative)	Highlights that decisive determinants are goalkeeper-specific positioning and saving technique not trained in sprint freestyle swimming.	—
[310]	Cross-sport transfer variability in talent development and motor learning	Baker, et al.	2010-2020	Sports talent development / motor learning research	Used to represent meaningful uncertainty (non-trivial std dev) since some swimmers may adapt well to goalie-specific perceptual-motor demands and others may not.	—
[311]	Reactive shot-reading + timing overlap	N/A (modeled estimate)	2026	Internal sports-science heuristic	Both table tennis and handball goalkeeping require rapidly reading a ball’s trajectory from early cues and responding with well-timed dives/blocks.	Open source
[312]	Hand-eye coordination under speed	N/A (modeled estimate)	2026	Internal sports-science heuristic	Table tennis trains precise coordination of eyes and hands in high-speed ball contacts, which can help with catching/deflecting in goalkeeper situations.	Open source
[313]	Technique mismatch: racket trajectories vs blocking/catching biomechanics	N/A (modeled estimate)	2026	Internal sports-science heuristic	Table tennis is racket/spin contact; a handball goalkeeper’s core skills are positioning, shot-blocking angles, catching technique, and coordinated body positioning—only partly related.	Open source
[314]	Role-specific positioning and coverage patterns	N/A (modeled estimate)	2026	Internal sports-science heuristic	Goalkeeper success depends on anticipating shooting lanes, coordinating with defenders, and managing rebounds close to the goal; these are largely unique to handball.	Open source
[315]	Combat-to-handball-goalkeeper prior	Bayesian prior: combat striking → handball goalkeeper baseline	2026	Internal reasoning	Start low-to-modest: taekwondo can correlate with reaction speed and body control, but goalkeeper success is dominated by hand/shot-specific skills.	Open source
[316]	Reflexes and reaction overlap	Taekwondo reaction timing (generalized), Handball goalkeeper save reactions (generalized)	2026	Internal reasoning	Slightly increases correlation because both require fast reads and immediate movement.	Open source
[317]	Explosive defensive movement overlap	Taekwondo stance/guard and explosive lateral movement (generalized), Goalkeeper defensive slide/split and close-range coverage (generalized)	2026	Internal reasoning	Adds some because both emphasize bursty, well-coordinated defensive positioning.	Open source
[318]	Major technique mismatch (arm-hand save technique)	Taekwondo blocking with kicks/legs and distance management, Handball goalkeeper depends on catching/deflecting with arms/gloves and positioning to angles (generalized), title_undefined_placeholder, publisher_undefined_placeholder, year_undefined_placeholder, short_name_undefined_placeholder, url_undefined_placeholder, use_undefined_placeholder	2026	Internal reasoning	Reduces correlation: goalkeeping is strongly determined by arm timing for saves, catch/deflect technique, and shot-angle coverage—skills not trained in taekwondo.	Open source
[319]	Uncertainty handling	Sparring under unpredictable attacks (generalized), Goalkeeper dealing with chaotic shot patterns and late shot release (generalized)	2026	Internal reasoning	Keeps correlation slightly positive due to similar mental demands: staying calm and reading attackers late.	Open source
[320]	Perceptual-motor overlap: tracking a moving ball/object and reacting quickly to it in open space	Interactive ball tracking and reaction timing transfer	N/A	Sports perceptual-cognition / motor learning synthesis (high level)	Supports a modest positive correlation because both tennis and handball goalkeeper roles require reading the ball trajectory early and responding rapidly with coordinated body movement.	Open source
[321]	Role-specific goalkeeper mechanics and decision rules reduce cross-sport prediction	Goalkeeper-specific decision and positioning differs	N/A	General sports transfer / performance determinant synthesis (high level)	Limits the correlation because handball goalkeeper success is dominated by handball-specific positioning (in goal), shot types, close-range lateral/vertical save mechanics, and dealing with deflections.	Open source
[322]	Task-specific contact mechanics matter: racket impacts vs catching/blocking	Equipment/impact mechanics mismatch	N/A	Motor learning specificity principles (high level)	Keeps correlation from becoming too high since tennis uses racket-to-ball striking and court movement patterns, while handball goalkeeper is centered on catching/guarding the ball with hands/legs and performing save techniques governed by handball rules.	Open source
[323]	Skill/transfer model (triathlon endurance/pacing + general coordination vs handball goalkeeper reflex/positioning + ball handling)	N/A (model-based synthesis)	2026	Internal reasoning	Triathlon transfers mainly endurance, recovery capacity, and general athleticism. Handball goalkeeper success is dominated by sport-specific skills: rapid reaction to shots, positioning in the goal, reading shooter cues, shot-stopping technique with hands/legs, and controlling the ball under pressure. Overlap is therefore mostly indirect, so correlation is low with some spread from individuals who have prior stick/ball/handball exposure.	Open source
[324]	Transfer mapping: volleyball attacker → handball goalkeeper	Internal expert-judgment mapping: volleyball attacker → handball goalkeeper	2026	Internal synthesis	Credited limited overlap in technique/learning that benefits any reactive ball-sport role: general eye-hand coordination, rapid response to approaching shots/trajectories, and performing under high-pressure moments. Penalized heavily for goalkeeper-specific differences: handball GK uses specialized stance/angles in goal, close-range reaction mechanics, catching/blocking with a specific arm/leg positioning, and then rapid outlet/throwing decisions; plus handball GK must read and react to varied shot types including bounce/step throws with different ball speeds/spins that volleyball attacker practice doesn’t train.	Open source
[325]	Priors: volleyball ↔ handball goalkeeper (specialized reactive role)	Bayesian prior for net striking roles → specialized goalkeeper reactive skills	2026	Internal Bayesian prior	Started from a low baseline (~0.05–0.12) because both involve reacting to a fast-moving ball, then reduced toward the low end due to the goalkeeper’s highly specialized catching/blocking and positioning techniques. Centered near ~0.12 with moderate uncertainty.	Open source
[326]	Volleyball libero (reception/digging/defensive movement) to handball goalkeeper carry-over estimate	(model-based cross-sport skill mapping)	2026	internal model	Used to set a modest positive correlation due to shared defensive/reactive requirements (anticipation, quick footwork, low/stable positioning, hand-eye coordination for intercepting a fast-moving ball). Down-weighted because handball goalkeeper success depends heavily on goalkeeper-specific throwing/landing mechanics, shot-save techniques (leg/pad angles, catching vs deflecting), and ball trajectory differences plus rules-specific movement patterns.	—
[327]	Volleyball middle blocker → handball goalkeeper transfer	Internal reactive/perceptual-motor transfer heuristic (ball tracking + rapid footwork + hand positioning)	2026	Internal model assumptions	Used to set a low/moderate baseline from transferable skills: tracking a fast ball, reacting quickly, moving to the right position, and coordinating hands/arms at contact moments. Down-weighted because the save/ball-contact environment differs.	Open source
[328]	Handball goalkeeper mechanics mismatch adjustment	Bayesian task-structure mismatch scaling (net blocking vs stickless goal protection + diving mechanics)	2026	Internal model assumptions	Reduced correlation because handball goalkeeper success depends heavily on handball-specific save technique (dive directions, body angles, catching/deflecting with gloves/body), shot-reading from handball release mechanics, and continuous goal-area positioning/distribution—skills not trained directly in volleyball blocking.	Open source
[329]	Projectile tracking and reactive positioning transfer between ball sports (overview)	N/A	N/A	Sports science / coaching consensus (no single study specified)	Supports a modest positive correlation because both volleyball setters and handball goalkeepers must track fast-moving ball/shot trajectories and react with timely body positioning.	Open source
[330]	Save-technique mismatch: overhead ball placement vs stick/hand pad save mechanics (overview)	N/A	N/A	Sports science / coaching consensus (no single study specified)	Caps correlation since handball goalkeeper success depends heavily on sport-specific save techniques (stance, dive angles, timing of pad/hand contact), ball-handling under rules, and reading shot types—none trained by volleyball setting.	Open source
[331]	Combat-readiness/shot anticipation vs team-rally decision environment (overview)	N/A	N/A	Sports science / coaching consensus (no single study specified)	Adds uncertainty because volleyball setting is usually about initiating offense and controlling a ball, while a goalkeeper’s learning is driven by defensive shot stopping and positioning under different constraints.	Open source
[332]	General sport skill transfer principles	Sports skill transfer/general research synthesis (opponent-interaction + balance + pressure handling)	N/A	General sports science knowledge	Used to ground a modest positive carry-over from wrestling’s grappling/resistance context into goalkeeping’s close-range, high-pressure positioning and body control.	Open source
[333]	Wrestling-to-handball goalkeeper transferable components (applied coaching knowledge)	Wrestling coaching knowledge (scramble balance + contact tolerance)	N/A	Coaching & applied sports science knowledge	Identifies plausible transfer for a goalkeeper: staying balanced while threatened/crowded, rapid body-position changes, composure under physical stress, and effective use of body position/leverage.	Open source
[334]	Handball goalkeeper performance contributors (applied coaching knowledge)	Handball goalkeeping coaching knowledge (reaction + positioning + save technique)	N/A	Coaching & applied sports science knowledge	Identifies dominant determinants for goalkeeper success that are mostly sport-specific: tracking a fast ball, split-second decision/reaction, save technique, hand/arm positioning, and reading shooter cues.	Open source