Public evidence page

Athletics - Throws - Javelin

Sport

Sport: Athletics

Event_family: Throws

Event: Javelin

Athletes' bodies

Elite male javelin throwers typically have a “leaner thrower” build versus discus/hammer: enough mass and lean-muscle cross-section for high peak shoulder–arm speed and trunk/hip torque, while maintaining a lighter, more speed-oriented frame suited to run-up mechanics. Optimal proportions tend to emphasize long effective legs (stride length/run-up speed + takeoff mechanics), moderate-to-broad shoulders for shoulder girdle power/stability, and near-matching (or slightly longer) arm span/height for throwing lever geometry and reach during the overhand release.

Cohort

Sex: Male

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	186 ± 6.5 cm	186 ± 6.5 cm	high	Javelin is speed-power: height/leverage helps with run-up stride length and a higher effective release line, but it’s less dominated by sheer mass than discus/hammer. So height is set high (elite male mean) with moderate variance.	[1] [2]
Leg inseam	88.5 ± 4.6 cm	88.5 ± 4.6 cm	high	Longer effective legs help convert run-up into higher center-of-mass speed and improve lead-leg support during the final transition. Hence high importance and a high-modeled mean.	[2] [3]
Leg-torso ratio	1.07 ± 0.06 ratio	1.07 ± 0.06 ratio	high	Set higher to reflect a leaner build with longer effective legs for approach mechanics, while still having enough trunk length for whip sequencing.	[2] [4]
Shoulder width	45 ± 3.2 cm	45 ± 3.2 cm	high	Javelin requires high shoulder speed and stabilization through the whip-like throwing action; a broader shoulder frame helps resist rotational perturbations and supports stronger arm/torso mechanics.	[2] [5]
Weight	86 ± 8.5 kg	86 ± 8.5 kg	high	Compared with discus/hammer, javelin’s optimal frame is usually lighter/less “bulky” to preserve approach speed and shoulder-to-release sequencing. Modeled as ~86 kg with SD reflecting that elite javelin spans both lighter-speed and heavier-strength profiles.	[2] [6]
Ape index	1.025 ± 0.03 ratio	1.025 ± 0.03 ratio	medium	A slightly above-1 ape index supports reach/grip geometry and a higher effective release line, with moderate importance.	[2] [7]
Arm span	191 ± 7.2 cm	191 ± 7.2 cm	medium	Arm span is set slightly above height (ape index > 1) to represent reach advantage for higher effective release and better throw-side geometry.	[2] [8]
Foot length	28 ± 1.1 cm	28 ± 1.1 cm	medium	Foot length is set to match an elite male build and treated as moderately relevant because foot/ankle stiffness influences sprint mechanics and final support during the release phase.	[9]
Pelvic bone width	28.5 ± 2.4 cm	28.5 ± 2.4 cm	medium	A moderate pelvis width supports hip stability for hip–shoulder separation and effective torque transfer, but javelin performance is more strongly limited by run-up speed and shoulder speed sequencing than by bony width alone.	[2] [10]
Torso length	84.5 ± 4.9 cm	84.5 ± 4.9 cm	medium	Slightly shorter-to-moderate torso helps keep rotational inertia manageable while still allowing effective trunk whip. Modeled as medium importance.	[2] [11]
Ankle circumference	22.4 ± 1.3 cm	22.4 ± 1.3 cm	low	Set low importance and realistic value; functional stiffness and technique dominate over circumference alone.	[12]
Hand length	19.2 ± 0.9 cm	19.2 ± 0.9 cm	low	Hand length is not a primary performance determinant for javelin compared with shoulder/arm speed, technique, and grip strength. Low importance.	[13]
Shoulder-hip ratio	0.875 ± 0.05 ratio	0.875 ± 0.05 ratio	low	Modeled for stable trunk/hip alignment through the whipping action and transition; not assumed to be a top discriminator.	[14]
Wrist circumference	18.2 ± 1.1 cm	18.2 ± 1.1 cm	low	Wrist circumference is not a primary discriminator for javelin; grip/forearm strength and technique matter more.	[15]

Traits

Factor	Value	Impact	Reasoning	Sources
Muscle fiber profile	fast-twitch dominant	high	Javelin is high peak power with short, maximal phases (late run-up, transition, release), so fast-twitch dominance is modeled as optimal.	[16] [17]
Metabolic tendency	mesomorphic tendency	medium	Javelin throwers often have a muscular/mesomorphic base but not to the same endomorph-heavy extent as hammer/discus; hence mesomorph as the central tendency.	[18] [19]
Joint laxity	medium	medium	Medium laxity allows necessary shoulder/torso range for an overhand whip while still supporting stiffness regulation and repeatability during the approach-to-release sequence.	[20] [21]
Foot arch	neutral arch	medium	Neutral arch type is chosen as a compromise because elite javelin athletes include both higher-arch ‘stiffer lever’ and flatter ‘impact tolerant’ patterns, while technique and training dominate.	[22]
Temperature tolerance	balanced	low	Javelin involves short maximal bouts with variable recovery; chronic heat/cold specialization is usually less determinant than power, stiffness, and technique consistency.	[23]
Dominant side	no meaningful side advantage	low	Set neutral because both right- and left-handed/throwing athletes can reach elite levels; the advantage is mainly individualized via technique and approach pattern rather than a universal right-vs-left performance bias.	[24]

Goals

Factor	Alignment	Reasoning	Sources
Build confidence	medium	Progress in javelin (throw distance, smoother run-up, cleaner release timing) can be very confidence-building. But early setbacks are common (technique inconsistency, pain/flare-ups, fear of committing), so confidence growth is plausible but not guaranteed—medium fit.	[25] [26]
Build endurance	none	“Endurance” usually means aerobic stamina for long, continuous efforts. Javelin’s main adaptations are speed-power and overhead mechanics, not long-duration aerobic capacity—unless you add separate endurance training.	[25]
Build strength and power	high	This is a strong match. Javelin requires powerful force production from the legs/hips/trunk and a fast, elastic overhead sequence at release. Amateur training commonly includes resistance and power work (plus throwing technique) that maps directly to building strength and power.	[25] [27]
Challenge myself	high	Javelin is challenging because it asks for both power/speed and fearless commitment to a technical overhead motion. It’s physically demanding (run-up + explosive release) and mentally demanding (timing, consistency, and sometimes fear of injury), so it matches “challenge myself” well.	[25] [26]
Compete and measure myself	high	High alignment: performance is directly measured (distance thrown) and competition is central to track & field. For amateurs, it’s easy to set benchmarks (personal bests, consistency, meet placements) and track progress across attempts/seasons.	[25] [28]
Improve agility and coordination	medium	Javelin requires excellent coordination (run-up rhythm, trunk rotation, shoulder/elbow sequencing) and timing. But “agility” usually means reactive change-of-direction to an opponent or stimulus; javelin is mostly a pre-planned technique sequence. So coordination improves, but reactive agility is only a moderate match.	[25] [27]
Improve balance and control	medium	You must maintain body control through the run-up, plant, and release—your base and trunk positioning strongly affect how well you transfer force. However, the event is not primarily chosen for balance training (compared to sports where balance is constantly challenged), so the match is moderate.	[25] [26]
Improve flexibility and mobility	low	Some shoulder/upper-back and hip mobility helps javelin mechanics, but typical training emphasis is speed, power, and throwing technique. Unless you add dedicated mobility sessions, big flexible-range improvements are not guaranteed—so this is low by default.	[25] [29]
Improve general health and fitness	medium	Javelin training combines runway work (speed/gait rhythm), big whole-body power (legs/hips/trunk), and a highly technical overhead release. That can improve athletic fitness and build a strong, powerful body. But it’s not an endurance-focused sport and sessions are often limited by technique coaching and recovery/overhead load, so it’s a medium match for broad, sustainable “general health” versus more aerobic sports.	[25] [26]
Improve speed and explosiveness	high	Javelin is explicitly a speed-power event: you use runway speed and then rapidly convert it into a fast overhead release. The training encourages explosive movement timing and shoulder/arm “speed” at release, so it strongly matches speed+explosiveness.	[25] [28]
Learn new skills and master technique	high	This is one of the strongest fits. Javelin is highly technical: you must coordinate runway speed, “elastic” arm/shoulder sequencing, and release mechanics. Amateur progress is very skill-driven, and mastering the technique is central to improving.	[25] [27]
Lose weight	low	Javelin is mostly short, high-intensity throws with rest and technical work, plus sprint-like run-ups. That can improve muscle and fitness, but it usually doesn’t provide the steady calorie burn that makes weight loss easiest compared with endurance or circuit-style training.	[25] [30]
Make friends and feel a sense of belonging	medium	Track and field clubs/meets tend to have team-community elements (coaches, teammates, watching others). Still, javelin throws often involve turn-taking on a runway and careful safety management, so continuous social interaction may be less than in partner sports. Net: medium.	[25] [31]
Reduce stress and feel better	low	While any enjoyable sport can improve mood, javelin is a high-commitment overhead, technical event. Beginners often deal with anxiety about technique and managing shoulder/elbow loads, so it’s not the most reliable “feel better / reduce stress” match by default.	[26] [32]
Spend time with people I care about	low	Because javelin involves run-up timing and an active throwing sector for safety, the activity itself isn’t great for chatting during execution. Socializing tends to happen before/after, so it’s a low match for “talk while doing.”	[25]

Preferences

Factor	Alignment	Reasoning	Sources
Competition-focused environment	medium	Meets are clearly results-driven (distance + rankings). But for many amateurs, it can still feel like skill development with occasional meets rather than a constantly intense “rankings culture.”	[33]
Enjoys contact	none	Javelin is not a contact/collision sport, so direct physical contact isn’t something the event is built around.	—
Flexible Time Table	low	General physical prep can be flexible, but real javelin practice typically needs specific space (runway length) and safe throwing/field setup. That makes it less drop-in than running or many gym-based hobbies.	[34]
Indoor setting	low	You can do javelin-related training in controlled settings, but the event itself typically needs a runway length and a throwing sector/space that match outdoor-like track-and-field facilities.	[35]
Long steady efforts	none	Javelin is not endurance/pacing based. It’s discrete attempts: you build speed, throw, and reset—though you may do conditioning in training.	—
Low impact on joints	low	Javelin can stress joints because it’s a high-velocity overhead/throwing motion with repetitive loading (shoulder/elbow/forearm) and also involves runway sprinting and deceleration. The landing isn’t the issue—overhead torque and overuse risk are.	[36] [37]
Mostly individual	high	Training and improvement are mainly about your own mechanics: approach timing, shoulder/arm sequencing, and release. A coach can guide you, but the performance itself is one-person execution.	[38]
Non-contact	high	There’s no direct physical contest with opponents. The main challenges are your own biomechanics and keeping the implement within the sector rules.	[38]
Outdoor setting	medium	Most javelin meets are outdoors because of facility needs (runway + long sector). Still, there are indoor meets/training contexts, so it’s not exclusively outdoor-feeling.	[39]
Playful recreational atmosphere	low	Javelin isn’t usually a casual, playful game because it involves specialized equipment and safety/space requirements (runway + sector). Most people treat it seriously and progress it with coaching.	—
Routine and structure	high	You can expect repeatable, ritual-like routines: warmup, runway approach pattern, timing, and the same fundamental throw mechanics each attempt. Training is also often drill-based and measurable (speed, release angle, consistency).	[40]
Short explosive efforts	high	Even though you run the runway, the defining moment is a brief, fast, high-power throw and release. The “maximum power” event phase is short and burst-like.	[36] [38]
Tactical and strategic	low	There’s some competition strategy (e.g., how you manage attempts/approach progression at meets), but the event isn’t about real-time tactical decisions like in invasion sports. Execution of technique and power is the main driver.	[41]
Team environment	none	Javelin is an individual event. You run your own runway, throw in your own attempt, and your result is measured by how far the javelin lands—not by teammates coordinating during the throw.	[38]
Technique-heavy	high	Javelin is very technique-dependent: correct approach/run-up timing, shoulder/arm sequencing, elastic “stretch-shortening” effects, and a coordinated release all determine whether speed turns into distance.	[36] [42]
Variety and novelty	low	The core event task is fairly consistent each time: run-up, throw, land/track the mark. You can vary technique cues and training drills, but the competitive experience repeats the same pattern.	[38]
Water environment	none	Water isn’t part of javelin throwing or the competitive setup.	—

Injuries

Risk

Factor	Value	Definition	Full reasoning	Sources
Achilles tendon pain (tendinopathy)	none	Pain and irritation in the Achilles tendon at the back of the ankle.	Javelin includes approach sprinting and plant/turning, so the Achilles can be stressed. But in throwing-event injury patterns, shoulder/elbow are the dominant concerns, and Achilles tendinopathy is not a common thrower-specific outcome category in the evidence retrieved for this task. Under conservative defaults for javelin, risk remains none.	[43]
ACL injury	none	A major ligament injury inside the knee, often linked to pivoting, landing, or sudden deceleration.	While javelin involves sprinting and a single-plant action that can theoretically stress the knee, the retrieved javelin injury evidence did not support ACL injury as a common javelin outcome. Therefore risk remains none.	[43]
Ankle sprain	none	A stretched or torn ankle ligament, usually after the foot rolls awkwardly.	While foot/ankle injuries can occur in track-and-field, and the javelin run-up includes sprinting, this task’s javelin evidence emphasis did not pull ankle sprain as a standout common injury pattern. Therefore the conservative evidence-based default is none.	[43]
Calf strain	none	A pulled or overloaded calf muscle, often felt during pushing off, sprinting, or jumping.	Approach sprinting may stress calves, but without javelin-specific incidence support for calf strain, risk remains none by default.	[43]
Finger or hand impact injury	none	Pain from jamming, bending, or striking the fingers or hand during sport.	Javelin is a throwing event where injuries are dominated by shoulder and elbow pathology. Finger/hand impact injuries are not the primary expected outcome. Therefore risk none.	[43]
General forearm overuse pain	low	Ongoing forearm pain from repeated gripping, lifting, or arm use when the exact tendon is unclear.	In javelin, the highest repetitive loads and failure points are usually in the throwing shoulder complex and elbow (because of the high-velocity arm acceleration/deceleration and throwing mechanics). Forearm overuse pain can occur in throwing athletes via gripping/wrist involvement, but it is not the dominant, best-established injury category for javelin compared with shoulder/elbow problems. So the risk is set to low rather than none/medium.	[43]
General foot or ankle pain	none	Ongoing foot or ankle pain when the exact structure or diagnosis is unclear.	Javelin involves sprinting approach mechanics that could irritate foot/ankle tissues. However, within the evidence retrieved for this specific task, the strongest emphasis is on shoulder and elbow injury evaluation. Lacking javelin-specific foot/ankle incidence support, risk stays none by conservative default.	[43]
General hip or groin pain	low	Ongoing hip or groin pain when the exact structure or diagnosis is unclear.	Javelin requires explosive hip rotation and stabilization, so hip flexors/adductors can be irritated. Still, the javelin injury evidence used here emphasizes shoulder and elbow evaluation and (in one review) mentions low back pain rates; groin/hip pain was not clearly established as a top injury outcome in retrieved materials. Therefore low risk.	[43]
General knee pain	low	Ongoing knee pain when the exact structure or diagnosis is unclear.	Javelin includes sprint mechanics that can stress the knee, but the retrieved javelin-focused evidence did not establish knee pain as a common primary injury category relative to shoulder/elbow. Therefore low risk.	[43]
General lower-back pain	medium	Ongoing lower-back pain when the exact source is unclear.	A recent review of common track-and-field injuries reports a notable incidence of low back pain in javelin throwers (around ~10% in one cited study), which directly elevates this risk category compared with many other body regions. Therefore medium risk.	[43]
General lower-leg pain	none	Ongoing shin or calf pain when the exact diagnosis is unclear.	Without retrieved incidence support for lower-leg pain as common in javelin, risk stays none by conservative default.	[43]
General shoulder pain	high	Ongoing shoulder pain when the exact structure or diagnosis is unclear.	Javelin involves runway speed plus explosive shoulder/arm action with high forces during acceleration and deceleration. The javelin injury review emphasizes shoulder and elbow as key evaluation areas, and throwing-shoulder pathology is well established. Therefore general shoulder pain risk is high.	[43] [44]
General wrist or hand pain	none	Ongoing wrist or hand pain when the exact structure or diagnosis is unclear.	The retrieved javelin evidence emphasizes shoulder/elbow pathology. Without support that wrist/hand pain is common for javelin specifically, risk stays none.	[43]
Golfer's elbow	medium	Pain on the inside of the elbow linked to overload in the forearm tendons.	Javelin is an overhead throwing motion with high arm forces. Medial elbow pain/overuse (often discussed around UCL/flexor-pronator and medial elbow overload) is common in overhead throwers. So medial elbow (golfer’s elbow category) risk is medium rather than low, even though the shoulder is often the main injury site.	[45] [46]
Groin strain	none	A pulled or irritated groin muscle, often felt in cutting, sprinting, or kicking movements.	Groin strains can occur during powerful hip adduction/rotation phases, but this task’s evidence retrieval for javelin did not pull strong incidence data showing groin strain as common. So conservatively none.	[43]
Hip flexor strain	none	A strain or overload in the front-of-hip muscles that help lift the leg.	Without incidence support for hip-flexor strain in the retrieved javelin materials, the conservative default is none.	[43]
Side-of-hip tendon pain	none	Irritation of the hip or gluteal tendons around the outer side of the hip.	Without supportive javelin incidence evidence, risk remains none.	[43]
Lower-back disc irritation	none	Lower-back pain that may involve irritation of a spinal disc and sometimes pain spreading into the leg.	The cited evidence supported low back pain incidence in javelin generally, but not disc irritation as a dominant specific diagnosis. Under conservative defaults, risk remains none.	[43]
Mechanical lower-back pain	low	Common lower-back pain related to movement, loading, stiffness, or irritated supporting tissues.	Javelin is structurally plausible for mechanical back pain, and low back pain incidence is reported, but without more specific evidence for “mechanical” back pain subtype, risk is set low rather than medium/high.	[43]
Meniscus injury	none	Irritation or tearing of the knee cartilage that helps cushion and stabilize the joint.	Without strong javelin incidence evidence for meniscus injury, risk remains none by conservative default.	[43]
Jumper's knee (patellar tendinopathy)	none	Pain and irritation in the tendon just below the kneecap.	Without specific javelin incidence support pointing to patellar tendinopathy, risk remains none by conservative default.	[43]
Front-of-knee pain (patellofemoral pain)	none	Pain around or behind the kneecap that often flares with repetitive knee bending.	Given lack of specific incidence support in retrieved javelin materials, risk remains none.	[43]
Heel pain (plantar fasciitis)	none	Irritation of the tissue under the foot that often causes pain near the heel.	Javelin includes sprinting, so theoretically plantar fascia can be stressed, but in the evidence used here, javelin injury evaluation emphasized shoulder/elbow rather than plantar fasciitis. So risk stays none under this task’s conservative approach.	[43]
Rotator cuff irritation	high	Pain and overload in the shoulder muscles and tendons that help control arm movement.	Throwing mechanics create high torques and require rotator cuff stabilization through the cocking/acceleration and especially deceleration phases. The shoulder-injury review literature for throwers indicates rotator cuff involvement is common in overuse/irritation. So risk is high.	[43] [44]
Shin splints	none	Exercise-related pain along the shin that often appears when impact load rises too quickly.	Without incidence support for shin splints specifically in javelin, risk remains none by conservative default.	[43]
Shoulder impingement-type pain	high	Shoulder pain that appears when tissues feel pinched or irritated during arm elevation.	Throwing-shoulder reviews describe internal impingement and related cuff/labrum/capsule irritation mechanisms in overhead throwers. Since javelin requires powerful shoulder speed and repetitive throwing mechanics, impingement-type irritation is high risk.	[44] [47]
Shoulder instability or dislocation	none	A shoulder that has slipped out, partly slipped out, or feels unreliable in vulnerable positions.	In javelin, the dominant expected risks are overuse and impingement/rotator cuff/labrum irritation from repeated throwing mechanics. Instability/dislocation specifically is not established as a common javelin injury pattern in the retrieved sources used here, so risk is kept at none by default.	[44]
Back stress reaction (spondylolysis)	none	A stress injury in the back often linked to repeated extension and rotation loading.	While throwing can cause extension/rotation, the retrieved javelin evidence focused on low back pain generally and did not identify spondylolysis/stress reaction as a common outcome. Conservative default: none.	[43]
Tennis elbow	low	Pain on the outside of the elbow linked to overload in the wrist and forearm tendons.	Throwing sports commonly injure both shoulder and elbow structures. However, medial elbow overload is often emphasized for overhead throwers; lateral epicondylitis can occur but is not typically the primary expected javelin injury category. Therefore risk is low rather than medium/high.	[43] [48]
Shin bone stress injury	none	Stress irritation in the tibia from repeated impact that has outpaced recovery.	Without evidence supporting tibial stress injury incidence as prominent in javelin, risk stays none by conservative default.	[43]
Wrist sprain	none	A stretched or irritated wrist ligament, often after a fall, impact, or awkward bend.	Without incidence evidence for wrist sprain in javelin and given the dominant throwing shoulder/elbow injury profile, risk remains none.	[43]
Wrist tendon pain	none	Irritation of wrist tendons from repeated gripping, racquet use, lifting, or supporting body weight.	Javelin emphasizes shoulder and elbow mechanics; without evidence that wrist tendinopathy is a common injury for this event, risk stays none.	[43]

Prevention

Factor	Value	Definition	Full reasoning	Sources
Achilles tendon pain (tendinopathy)	none	Pain and irritation in the Achilles tendon at the back of the ankle.	With sport-only participation, any Achilles adaptation is balanced against continued plantarflexor loading. No strong basis for a net prevention effect is supported for this specific pairing, so set to none.	—
ACL injury	none	A major ligament injury inside the knee, often linked to pivoting, landing, or sudden deceleration.	Without evidence and without assuming specific neuromuscular landing/cutting prevention work, prevention none.	—
Ankle sprain	none	A stretched or torn ankle ligament, usually after the foot rolls awkwardly.	Without evidence of a net preventive effect from javelin practice alone (and without assuming extra balance/landing programs), prevention is none.	—
Calf strain	none	A pulled or overloaded calf muscle, often felt during pushing off, sprinting, or jumping.	Prevention none.	—
Finger or hand impact injury	none	Pain from jamming, bending, or striking the fingers or hand during sport.	Prevention none.	—
General forearm overuse pain	none	Ongoing forearm pain from repeated gripping, lifting, or arm use when the exact tendon is unclear.	Under the sport-only assumption (no extra targeted forearm tendon program), javelin does not have a reliable net prevention effect for forearm overuse pain; it may both condition and provoke those tendons. Therefore prevention is none.	—
General foot or ankle pain	none	Ongoing foot or ankle pain when the exact structure or diagnosis is unclear.	Without evidence, set to none.	—
General hip or groin pain	none	Ongoing hip or groin pain when the exact structure or diagnosis is unclear.	Without evidence that sport-only javelin practice prevents hip/groin pain, prevention remains none.	—
General knee pain	none	Ongoing knee pain when the exact structure or diagnosis is unclear.	Prevention none under sport-only assumptions.	—
General lower-back pain	none	Ongoing lower-back pain when the exact source is unclear.	While some adaptation can occur, the same high-velocity rotational and deceleration demands that cause back pain remain present. Without evidence of a net prevention benefit for low back pain specifically, prevention stays none.	—
General lower-leg pain	none	Ongoing shin or calf pain when the exact diagnosis is unclear.	Prevention none.	—
General shoulder pain	low	Ongoing shoulder pain when the exact structure or diagnosis is unclear.	Regular throwing can improve tissue tolerance, which can be beneficial. However, javelin repeatedly loads the shoulder in provocative mechanics, so it does not guarantee prevention. Net prevention effect from sport-only practice is therefore low.	[44]
General wrist or hand pain	none	Ongoing wrist or hand pain when the exact structure or diagnosis is unclear.	Prevention none.	—
Golfer's elbow	low	Pain on the inside of the elbow linked to overload in the forearm tendons.	Regular throwing can condition tissues, but it also repeatedly exposes the medial elbow to high valgus/acceleration demands. Without assuming additional targeted rehab/prevention beyond normal practice, the net prevention effect is limited; set to low.	[46]
Groin strain	none	A pulled or irritated groin muscle, often felt in cutting, sprinting, or kicking movements.	Prevention none under sport-only assumptions.	—
Hip flexor strain	none	A strain or overload in the front-of-hip muscles that help lift the leg.	No evidence for sport-only prevention effect; none.	—
Side-of-hip tendon pain	none	Irritation of the hip or gluteal tendons around the outer side of the hip.	Prevention none.	—
Lower-back disc irritation	none	Lower-back pain that may involve irritation of a spinal disc and sometimes pain spreading into the leg.	Prevention none.	—
Mechanical lower-back pain	none	Common lower-back pain related to movement, loading, stiffness, or irritated supporting tissues.	No evidence for a net preventive effect for this exact category; prevention none.	—
Meniscus injury	none	Irritation or tearing of the knee cartilage that helps cushion and stabilize the joint.	Prevention none.	—
Jumper's knee (patellar tendinopathy)	none	Pain and irritation in the tendon just below the kneecap.	Prevention none.	—
Front-of-knee pain (patellofemoral pain)	none	Pain around or behind the kneecap that often flares with repetitive knee bending.	Prevention none.	—
Heel pain (plantar fasciitis)	none	Irritation of the tissue under the foot that often causes pain near the heel.	No evidence of net prevention from javelin sport practice alone; prevention none.	—
Rotator cuff irritation	low	Pain and overload in the shoulder muscles and tendons that help control arm movement.	Rotator cuff irritation risk is tied to repetitive high-speed shoulder loading. Javelin practice can condition tissues, but it doesn’t ensure loads stay within a pain-free adaptation window. Therefore prevention is low.	[44]
Shin splints	none	Exercise-related pain along the shin that often appears when impact load rises too quickly.	Prevention none.	—
Shoulder impingement-type pain	low	Shoulder pain that appears when tissues feel pinched or irritated during arm elevation.	Without assuming targeted impingement-specific rehab/prevention, javelin practice both loads and conditions the shoulder. Because irritation mechanisms can still recur with repeated throwing, prevention is low.	[44]
Shoulder instability or dislocation	none	A shoulder that has slipped out, partly slipped out, or feels unreliable in vulnerable positions.	Shoulder instability prevention usually requires specific stability training and risk management. With sport-only assumptions and no evidence, prevention none.	—
Back stress reaction (spondylolysis)	none	A stress injury in the back often linked to repeated extension and rotation loading.	Prevention none.	—
Tennis elbow	none	Pain on the outside of the elbow linked to overload in the wrist and forearm tendons.	Given tennis elbow is an overuse tendon pain condition, and throwing maintains repetitive extensor loading demands, there is no strong basis to claim a net prevention effect from sport practice alone. Set to none.	—
Shin bone stress injury	none	Stress irritation in the tibia from repeated impact that has outpaced recovery.	Prevention none.	—
Wrist sprain	none	A stretched or irritated wrist ligament, often after a fall, impact, or awkward bend.	Prevention none.	—
Wrist tendon pain	none	Irritation of wrist tendons from repeated gripping, racquet use, lifting, or supporting body weight.	Prevention none.	—

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.	Achilles tendinopathy healing relies on symptom-guided progressive tendon loading and often reducing provoking activity. Javelin continuation maintains approach and landing demands that can irritate the Achilles, so no positive healing effect is expected. None.	—
ACL injury	none	A major ligament injury inside the knee, often linked to pivoting, landing, or sudden deceleration.	ACL recovery typically requires clinician-directed rehab and often surgery; sport continuation does not provide positive healing. None.	—
Ankle sprain	none	A stretched or torn ankle ligament, usually after the foot rolls awkwardly.	Sprain healing typically needs protection and graded return. Continued javelin exposure often re-loads the ankle and can delay recovery. None.	—
Calf strain	none	A pulled or overloaded calf muscle, often felt during pushing off, sprinting, or jumping.	Calf strain healing typically needs load reduction and progressive return; sport continuation is not expected to help. None.	—
Finger or hand impact injury	none	Pain from jamming, bending, or striking the fingers or hand during sport.	No positive healing effect expected from sport continuation alone. None.	—
General forearm overuse pain	none	Ongoing forearm pain from repeated gripping, lifting, or arm use when the exact tendon is unclear.	Healing typically requires symptom-guided reduction/modification and tendon-specific progression. Javelin continuation usually maintains repetitive wrist/forearm involvement in throwing, so no positive healing effect is expected. None.	—
General foot or ankle pain	none	Ongoing foot or ankle pain when the exact structure or diagnosis is unclear.	Healing generally needs provocation reduction and gradual return. Continued event participation is unlikely to provide a positive healing effect. None.	—
General hip or groin pain	none	Ongoing hip or groin pain when the exact structure or diagnosis is unclear.	Hip/groin pain recovery requires symptom-guided load modification. Continued throwing maintains provocative hip loading. None.	—
General knee pain	none	Ongoing knee pain when the exact structure or diagnosis is unclear.	Without targeted rehab/modification, sport continuation isn’t expected to improve healing. None.	—
General lower-back pain	none	Ongoing lower-back pain when the exact source is unclear.	Back pain often improves with reducing provocative loading and graded return. Continuing javelin typically maintains those provocative phases, so no positive healing effect is expected. None.	—
General lower-leg pain	none	Ongoing shin or calf pain when the exact diagnosis is unclear.	No sport-only healing benefit expected; none.	—
General shoulder pain	none	Ongoing shoulder pain when the exact structure or diagnosis is unclear.	Shoulder pain in throwers often improves with symptom-guided modification and rehab rather than continuing full throwing exposure. Sport continuation alone isn’t expected to provide a positive healing effect. None.	—
General wrist or hand pain	none	Ongoing wrist or hand pain when the exact structure or diagnosis is unclear.	No sport-only positive healing effect expected. None.	—
Golfer's elbow	none	Pain on the inside of the elbow linked to overload in the forearm tendons.	Golfer’s elbow recovery typically requires symptom-guided load reduction and tendon-specific progression. Continuing javelin maintains the throwing cycle that provokes medial elbow stress, so no positive healing effect is expected from sport continuation alone. None.	—
Groin strain	none	A pulled or irritated groin muscle, often felt in cutting, sprinting, or kicking movements.	Groin strain healing typically needs reduced provocative activity and progressive rehab. Continued throwing likely remains provocative. None.	—
Hip flexor strain	none	A strain or overload in the front-of-hip muscles that help lift the leg.	Hip flexor strain healing requires symptom-guided modification and progression; sport continuation alone isn’t expected to help. None.	—
Side-of-hip tendon pain	none	Irritation of the hip or gluteal tendons around the outer side of the hip.	Tendinopathy healing requires targeted progressive loading; sport continuation alone isn’t expected to provide a positive healing effect. None.	—
Lower-back disc irritation	none	Lower-back pain that may involve irritation of a spinal disc and sometimes pain spreading into the leg.	Disc-related recovery depends on symptom-guided load reduction; continuing the event is not expected to help. None.	—
Mechanical lower-back pain	none	Common lower-back pain related to movement, loading, stiffness, or irritated supporting tissues.	No evidence of a sport-only healing benefit; mechanical back pain typically needs symptom-guided modification and rehab. None.	—
Meniscus injury	none	Irritation or tearing of the knee cartilage that helps cushion and stabilize the joint.	Meniscus recovery typically requires activity modification and clinician-guided rehab. Sport continuation alone is not expected to heal it. None.	—
Jumper's knee (patellar tendinopathy)	none	Pain and irritation in the tendon just below the kneecap.	Patellar tendinopathy healing requires symptom-guided load progression; sport continuation alone isn’t expected to help reliably. None.	—
Front-of-knee pain (patellofemoral pain)	none	Pain around or behind the kneecap that often flares with repetitive knee bending.	Without targeted rehab/modification, no positive healing effect expected. None.	—
Heel pain (plantar fasciitis)	none	Irritation of the tissue under the foot that often causes pain near the heel.	Plantar fasciitis rehab generally requires symptom-guided load management. Continuing the event is unlikely to help healing. None.	—
Rotator cuff irritation	none	Pain and overload in the shoulder muscles and tendons that help control arm movement.	Rotator cuff irritation healing typically requires symptom-guided modification and progression. Ongoing javelin attempts maintain the provoking phases; no positive healing effect expected from sport continuation alone. None.	—
Shin splints	none	Exercise-related pain along the shin that often appears when impact load rises too quickly.	Shin splint recovery needs load reduction/progression; none expected from continued sport.	—
Shoulder impingement-type pain	none	Shoulder pain that appears when tissues feel pinched or irritated during arm elevation.	Impingement-type conditions in throwers generally require symptom-guided modifications. Continued throwing keeps provoking and therefore no positive healing effect is expected from sport continuation alone. None.	—
Shoulder instability or dislocation	none	A shoulder that has slipped out, partly slipped out, or feels unreliable in vulnerable positions.	Instability recovery typically requires clinician-directed management and strengthening/stability rehab; continued throwing is not expected to provide positive healing. None.	—
Back stress reaction (spondylolysis)	none	A stress injury in the back often linked to repeated extension and rotation loading.	Healing requires reducing and managing extension/loading and a specific return plan; sport continuation is not expected to help. None.	—
Tennis elbow	none	Pain on the outside of the elbow linked to overload in the wrist and forearm tendons.	Tennis elbow healing typically requires symptom-guided load modification and tendon-specific rehab. Ongoing throwing usually keeps the elbow under repetitive stress, so no positive healing effect is expected from continuing the event alone. None.	—
Shin bone stress injury	none	Stress irritation in the tibia from repeated impact that has outpaced recovery.	Stress injury recovery generally requires reduced impact and graded return; none expected from sport continuation alone.	—
Wrist sprain	none	A stretched or irritated wrist ligament, often after a fall, impact, or awkward bend.	No positive healing effect expected from sport continuation alone. None.	—
Wrist tendon pain	none	Irritation of wrist tendons from repeated gripping, racquet use, lifting, or supporting body weight.	No sport-only positive healing effect expected. None.	—

Past-sport transfer logic

Past sport	Average correlation (success)	Std dev	Correlation reasoning	Correlation sources
american-football-defensive-back	0.12	0.1	There is likely a weak positive carry-over from defensive back success to javelin success due to shared underlying athletic traits: speed-power, coordination, and the ability to generate force with elastic movement. However, javelin performance is strongly determined by highly specific throwing mechanics—run-up and “speed-to-throw” sequencing, shoulder speed, blocking/torsion timing, and precise release—skills that are not trained in defensive back roles. Because of that major technical specificity gap, the correlation should remain small with considerable individual variation depending on how quickly someone can acquire javelin technique and whether they have prior throwing experience.	[49] [50] [51] [52]
american-football-line-player	0.09	0.06	American football line play and javelin throwing share broad ingredients: producing force, using leverage, and coordinating an explosive whole-body sequence. That can make athletes who excel on the line somewhat more likely to adapt to javelin quickly and achieve a baseline of performance. However, javelin is highly technique-specific: it depends on runway speed and sequencing, shoulder speed, torso rotation timing, and precise release mechanics (angle/trajectory control). Line-player skills (pad leverage, hand-fighting, short-area contact force) do not directly map onto these throwing/approach mechanics. Because technical practice dominates variance in throwing events, the predictive value of line-player success should be small, but not zero—hence a low positive correlation with modest dispersion.	[53] [54]
american-football-linebacker-tight-end	0.2	0.1	Linebacker/tight end success should have a modest positive correlation with javelin because both benefit from speed-power abilities, strong hip/trunk control, and the ability to generate force quickly through a coordinated kinetic chain. However, javelin is very event-specific. The run-up timing, approach mechanics, shoulder/arm speed, grip and release, and overall sequencing to convert linear speed into projectile velocity are the main determinants of throwing performance. LB/TE roles typically train contact power and short-area movement more than repeated throwing-kinetic-chain practice. Therefore carryover is expected to be limited: athletes who were strong football performers may learn javelin faster than average, but most of the variance in javelin success comes from javelin-specific technique and rehearsal.	[55] [56] [57]
american-football-quarterback	0.12	0.06	Quarterback success should correlate only weakly with javelin because there’s some shared “throwing” and athletic-coordination learning: both demand coordination between lower-body drive and upper-body arm acceleration, plus good timing and the ability to learn complex movements. But the technical stack is fundamentally different. QB passing is primarily about delivering an accurate ball from the pocket with constrained footwork and specific release mechanics. Javelin performance depends on a sprint/run-up, elastic sequencing, shoulder/hip alignment, then a highly specific transition into release with the implement moving in a particular trajectory. Since quarterback throwing mechanics are not designed around javelin’s event phases, QB excellence won’t reliably translate into elite javelin technique—keeping the correlation near the low end.	[58] [59]
american-football-receiver-running-back	0.12	0.09	Receiver/running back performance should correlate slightly with javelin success due to shared speed-power ingredients: the ability to accelerate quickly, coordinate the body at high speed, and express force through the lower body into a fast, timing-based action. But javelin is dominated by specialized technique: converting sprint speed into shoulder/arm speed, maintaining elastic sequencing through the throw, and hitting the correct release point and angle. Football WR/RB training rarely builds the specific throwing-chain mechanics (grip/hand path, arm speed coordination, trunk/hip/shoulder timing for a legal javelin release). It also includes collision/contact, which can distract from clean rotational/elastic throw mechanics. So the carry-over is expected to be modest—above near-zero, but well below strong transfer values.	[60]
athletics-distance	0.2	0.1	Distance running should correlate weakly-to-modestly with later javelin success because javelin contains a sprint/approach phase and distance training can support coordination, running mechanics, and general training habits. However, the dominant determinants of javelin—explosive speed-power, elastic sequencing, shoulder/arm timing, and release technique—are not central in distance events. As a result, the overall correlation should be positive but limited, with substantial spread depending on how quickly the athlete develops speed-power and javelin-specific mechanics.	[61] [62] [63]
athletics-jumps-high-jump	0.2	0.1	Past high-jump success should relate only weakly to moderately with future javelin success. The overlap is in general speed–power qualities and elastic, well-timed lower-body force production that can help an athlete generate power and maintain coordination during the approach. However, javelin performance is dominated by highly specific throwing mechanics: shoulder/arm timing, release mechanics, and a precise runway-to-throw sequence. Because those javelin-specific skills are largely absent in high jump, the overall correlation remains modest and variable.	[64] [65] [66]
athletics-jumps-long-triple-jump	0.2	0.13	Long jump/triple jump success indicates strong sprinting into the approach, explosive power, elastic recoil, and coordination—useful ingredients for learning javelin, especially because javelin begins with a run-up and depends on good sequencing from the approach into the throw. However, javelin is a throwing event whose performance is largely determined by highly specific shoulder/arm/torso mechanics, release angle/speed, and detailed throwing technique that long/triple jump does not directly train. Therefore the expected correlation should be modest positive but not high, with substantial variance across individuals depending on their throwing background and technical learning ability.	[67] [68] [69]
athletics-jumps-pole-vault	0.24	0.14	Pole vault success should correlate modestly with javelin success because both are power field events relying on high-quality run-up/approach mechanics, elastic/rapid force production, and coordinated whole-body timing under speed. However, the dominant technical core for javelin is throwing-specific: shoulder/arm acceleration, the javelin “release geometry,” and the run-up-to-block-to-release sequence. Pole vault’s most unique skills (pole plant/inversion and vault landing constraints) don’t translate directly to throwing. This mismatch keeps the average correlation in the low-to-mid 0.20s with meaningful variance across athletes (higher if the athlete’s pole-vault strengths were mainly general sprint/approach and elastic coordination rather than pole-inversion specialization).	[70] [71] [72]
athletics-middle-distance	0.24	0.12	Middle-distance performance should correlate only modestly with later javelin success. Shared elements include approach/run-up speed mechanics, general coordination, elastic/neuromuscular efficiency, and consistent training habits. But the primary determinants of javelin—shoulder/arm speed generation, correct release mechanics and implement path, and very specific throwing biomechanics—have limited overlap with middle-distance running. Therefore the relationship is positive but capped in the low-to-mid 0.2s.	[73] [74]
athletics-sprints-hurdles	0.29	0.14	Sprints/hurdles should correlate positively with javelin because a key determinant is the speed-power conversion during the run-up: elite javelinters often have excellent sprint mechanics that help them reach high velocity into the throw, plus good elastic stiffness and neuromuscular timing. But javelin is much more than sprint speed. The biggest technical differentiator is the shoulder/arm “whip” sequence, posture/lean management through the delivery, and precise release mechanics (angle, timing, and coordination with the spear’s path). Those are largely throwing-specific and not directly trained by hurdling. So the relationship should be modest positive rather than strong: ~0.29 average with sizable uncertainty depending on how much the athlete’s sprint success reflects general speed-power and elastic coordination versus race/track-specific skills, and how quickly they learn the shoulder and release mechanics of javelin.	[75]
athletics-throws-discus	0.6	0.1	Discus and javelin are both “throws/power field” events, so a strong portion of performance variance is driven by overlapping underlying skills: rotational strength, whole-body timing, leverage concepts, trunk control, and effective conversion of force into projectile speed. However, they are not identical: javelin has a significant sprint/run-up component and different elastic sequencing and shoulder-speed demands, plus a distinct release pathway and flight/orbit physics compared with discus. That specificity limits how much discus excellence predicts javelin excellence. So we expect a solid positive correlation, but not near-perfect. A realistic Bayesian estimate is ~0.60 average correlation with std dev ~0.10, reflecting that some athletes are strong general throwers who do well across both, while others are more specialized rotational-only throwers.	[76] [77] [78]
athletics-throws-hammer-throw	0.3	0.11	Both hammer throw and javelin are “throws” and share general transferable skills: producing high power with the lower body through the kinetic chain, timing hip-to-torso-to-shoulder/arm contributions, and maintaining balance/coordination under a constrained, multi-phase movement. But they differ strongly in the dominant technique: hammer is a rotational throw with balance through turns and leverage into a long-radius implement path; javelin is runway speed and fast shoulder/arm release into a mostly linear projectile path with different plant/transfer mechanics. Because of this technical mismatch, the expected carryover is only moderate (not high as with discus).	[79] [80]
athletics-throws-shot-put	0.6	0.15	Shot put and javelin are both throwing events, so they share meaningful underlying skills: generating high whole-body force, bracing the trunk, coordinating hip-to-torso-to-shoulder sequencing, and performing under maximal effort. That creates a solid positive relationship. But javelin is also fundamentally different: it is a speed-power throw that depends strongly on runway acceleration, elastic/whip-like sequencing, and producing very high shoulder/arm speed with precise release/trajectory. Shot put technique (often from a glide/rotational set) does not train those approach-and-shoulder-speed requirements in the same way. Therefore the carryover should be moderate rather than extremely high, with substantial variance depending on whether the athlete can add the javelin-specific run-up and arm-speed mechanics quickly.	[81] [82] [83] [84]
badminton	0.03	0.03	Javelin success relies heavily on event-specific mechanics: runway speed and rhythm, elastic sequencing from lower body to shoulder/arm, shoulder speed/angles, and release mechanics. Badminton’s technical core (racket/shuttle tracking and striking) does not closely map to throwing technique. The main transferable components are general coordination, balance recovery, and multi-step footwork efficiency, which can marginally help learning the javelin approach and body control. Therefore, the correlation is expected to be small positive, around ~0.03, with meaningful individual differences depending on whether the athlete also has sprint/throw background or strength/rotational training.	[85] [86] [87] [88]
baseball-catcher	0.04	0.03	Javelin throwing relies on a specialized chain: sprint/run-up mechanics, body positioning at the transition, elastic sequencing, shoulder/arm speed, and a precise release. Baseball catcher performance reflects different core skills—receiving pitches, blocking balls, quick decision-making, and positioning in a crouch. There is some small shared component in general coordination and perceptual skills (tracking a moving object and executing reliably under time pressure). But the key javelin motor pattern and technical cues are not trained by catching. Therefore the expected correlation is small positive, near zero-to-low.	[89] [90] [91]
baseball-field-player	0.1	0.06	Baseball field players often develop useful throw-related skills: arm/shoulder strength for high-velocity throws, coordination of whole-body sequencing, and experience generating force quickly under movement constraints. Those ingredients can help early learning in javelin—especially improving shoulder/arm timing, trunk-rotation contributions, and general “power from the legs” habits. But javelin performance is driven by very specific mechanics: a particular runway approach, step/plant pattern, grip and javelin path control, and the exact release angle/height and transition from speed to throwing. Those technical elements overlap only partially with baseball fielding throws. Therefore, the expected carryover is positive but modest, more about learning faster than predicting top performance.	[92] [93] [94]
baseball-pitcher	0.16	0.09	A baseball pitcher’s success should correlate positively with javelin because both involve high-velocity throwing, timing the release, and using a coordinated kinetic chain from the ground/hips through the torso to the throwing arm. Pitchers also typically have strong learning habits around command, controlling ball flight, and repeated explosive efforts—skills that can transfer into quickly learning javelin cues. But technique overlap is limited: javelin depends heavily on runway speed management, the block/plant, run-up-to-throw sequencing, handle grip and spear carry, and specific release angle/trajectory control. Pitching does not train those event-specific kinematics, so the carry-over should be modest rather than strong, with fairly large individual variance (higher for pitchers who also throw in the field or who adapt well to sprint-to-throw mechanics).	[95]
basketball-big	0.035	0.03	Basketball Big-to-javelin overlap is mostly about general speed-power and coordinated whole-body sequencing: basketball bigs repeatedly accelerate, decelerate, jump, and use arm/upper-body action in close-range plays. That can translate a little to javelin through general athletic timing, bracing, and learning to coordinate run-up + throwing motion. But javelin success depends heavily on highly event-specific technique: exact approach/run-up rhythm, transition steps, spear carry, shoulder-to-hip sequencing, elbow/arm whipping mechanics, and very specific release mechanics. Basketball doesn’t teach these in a comparable way, so basketball performance should only weakly predict javelin performance when body-proportion effects are ignored. Therefore the expected correlation is very small and likely near the lower end of plausible positive carryover.	[96]
basketball-guard	0.04	0.04	Basketball guards often have good general coordination, body control while moving, and some exposure to rotational/power actions (turning, driving, accelerating). Those can slightly help with learning how to move through an approach and coordinate upper/lower-body timing in a new sport. But javelin success is dominated by very event-specific throwing mechanics: the approach/runup rhythm to set shoulder/hip timing, the arm/shoulder “speed” actions, grip and release direction control, and the elastic sequencing from legs through trunk/shoulder/arm. Basketball does not teach the implement-specific patterns or the exact shoulder/arm mechanics in the way javelin requires. Because the overlap is mostly general athletic skill rather than transferable throwing technique, the correlation should be very small (close to 0.0) with limited but nonzero positive expectation.	[97]
basketball-wing	0.04	0.05	Basketball wing performance should relate slightly to javelin success via general athletic coordination and the concept of generating force from the ground through the body. However, javelin requires very specific throwing mechanics (approach rhythm and geometry, shoulder/arm speed, release timing and angle, and precise coordination of torso lean and step pattern). Because those are not typically developed deeply in basketball, the carry-over should be small and highly variable across individuals.	[98] [99]
boxing	0.02	0.03	Boxing and javelin share only broad athletic components: generating force quickly, coordinating the body under pressure, and having good overall balance/body control. Those can make it easier to learn explosive movements and to stay coordinated while accelerating. But javelin performance relies heavily on very event-specific technique: the run-up/approach rhythm, the exact shoulder–hip sequencing, how you transfer speed into the throw, and the precise release mechanics that set the trajectory. Boxing does not meaningfully train these throwing-specific constraints. Therefore the expected correlation is very small—close to zero—with only slight positive influence through general coordination and power expression.	[100] [101] [102]
climbing-bouldering	0.07	0.05	Javelin is highly technique- and run-up-sequence dependent: runway mechanics, shoulder/arm speed, elastic energy transfer from trunk/hips to the throwing arm, and precise release timing. Bouldering provides strong general qualities—body control, proprioception, tension management, and the ability to produce power in short bursts—which can slightly help with learning the complex, multi-joint sequencing of the throw. But bouldering does not train the specific approach timing, throwing arm mechanics, or the exact elastic sequencing patterns used in javelin, so direct technique carry-over is limited. Therefore only a small positive correlation is plausible. A realistic Bayesian center is r ≈ 0.07 with std dev ≈ 0.05 to reflect variability (some boulder athletes also do sprint/throw training; many do not).	[103]
climbing-lead	0.075	0.06	Lead climbing (especially on longer routes) trains balance, proprioception, efficient movement, and endurance-aware technical pacing. Those translate modestly to javelin because javelin also requires precise sequencing of body positions and good coordination through the approach and throw. But javelin success is dominated by event-specific mechanics: building and controlling approach/run-up speed, coordinating the “plant/block” of the front-side mechanics, generating shoulder speed, and executing a precise release/trajectory. Lead climbing doesn’t train the sprint-to-throw kinetic chain or the shoulder/arm release pattern. So the expected skill/technical learning carry-over is small: mainly general coordination and learning habits, not direct technique overlap.	[104] [105] [106]
climbing-speed	0.14	0.06	Climbing speed should confer a small advantage for javelin learning because it builds general explosive power, body control, and the habit of producing coordinated force quickly and repeatedly—qualities that help an athlete get more out of the run-up and sequencing when they start throwing events. However, javelin is dominated by very sport-specific upper-body throwing mechanics (shoulder/arm speed, release angle/timing, throwing rhythm and trajectory), which climbing speed does not train. Therefore the correlation should be positive but small rather than moderate.	[107] [108] [109] [110]
cricket-all-rounder	0.06	0.05	Cricket all-rounders can carry over a small amount of skill/mentality: general throwing-arm coordination, timing, and the ability to learn complex movements under pressure. However, javelin requires very specific event mechanics (run-up speed control, shoulder/hip sequencing, penultimate steps, and overhead release/trajectory control) that are not meaningfully trained in cricket. With body/strength/leverage advantages excluded, only a small technique/learning component remains, so the expected correlation is low positive.	[111] [112] [113] [114]
cricket-batter	0.02	0.03	Cricket batter performance is primarily driven by tracking timing, hand–eye coordination, repeatable striking mechanics, and stable lower-body control during bat swings. Javelin throwing performance depends much more on sprint speed into the approach, specific throwing biomechanics (run-up alignment, block/plant, shoulder/arm speed, release mechanics), and controlled elastic sequencing of the body through the throw. There is little direct overlap in learned motor patterns between striking a moving ball with a bat and throwing a spear-like implement. Some carry-over is plausible via general athletic coordination, proprioceptive control, and the ability to learn repeatable movement patterns under competitive pressure. Overall, that yields a near-zero but slightly positive correlation.	[115]
cricket-bowler	0.17	0.1	Both sports reward throwing a projectile with good coordination, timing, rhythm, and the ability to generate and repeat power under technique constraints. That makes the expected carryover meaningfully positive, so it should be well above near-zero cross-domain values. However, cricket bowling and javelin differ strongly in the required whole-body pattern (cricket’s delivery vs javelin’s runway-plant-elastic shoulder whip sequence), so the transfer is not near-similar-sport levels. A modest-to-moderate correlation around ~0.17 with sizable variation is a reasonable Bayesian point estimate.	[116] [117] [118] [119] [120]
cricket-wicketkeeper	0.07	0.06	Cricket wicketkeeping should have a small positive relationship with javelin success because both involve coordination, timing, and dynamic balance under pressure. However, javelin is extremely technique- and biomechanics-specific (runway speed/angles, arm/shoulder mechanics, release timing/path). Wicketkeeping’s core skills (catching/anticipation from low stance) don’t map directly onto those determinants. Net expectation: small but not zero positive correlation.	[121] [122] [123]
cycling-mountain-bike-cross-country	0.07	0.06	MTB cross-country success suggests general transferable athletic skills: balance/proprioception on uneven terrain, efficient movement patterns, and the ability to produce and repeat power while fatigued. Those traits can make it easier to learn some aspects of javelin (run-up coordination and staying fluid under fatigue). But javelin is dominated by sport-specific techniques: a precise run-up for maximal approach speed, an elastic throwing sequence (hip-to-shoulder/arm timing), shoulder/upper-body mechanics, and release/trajectory control. Cycling does not meaningfully train shoulder/arm throwing kinematics or the specific “speed-power” pattern of the javelin throw. Therefore, a small positive correlation is plausible, centered near ~0.07 with substantial uncertainty (~±0.06).	[124]
cycling-road-climber	0.08	0.1	Cycling climbing success (as a road climber) is driven primarily by sustained power-to-weight output, efficient lower-body mechanics over long efforts, and strong training habits. Javelin performance depends much more on event-specific skills: sprint/run-up speed and rhythm, converting horizontal speed into a whip-like throwing sequence, shoulder/arm speed, elastic sequencing along the kinetic chain, and very precise release mechanics. Those are largely new motor patterns relative to cycling. There is still some modest, general transfer: better leg strength endurance and work capacity can make it easier to tolerate javelin volume (run-up practice, strength work, technical reps) and may correlate with overall athletic trainability. Because the overlap is mostly general rather than technique-specific, the expected carry-over is small but positive, with high individual variance (e.g., people with prior sprinting/throwing backgrounds will show higher carry-over).	[125]
cycling-road-sprinter	0.085	0.05	Cycling road sprinters likely correlate positively with javelin outcomes through general explosiveness and the ability to generate and repeat high-intensity efforts—useful for the approach run and for overall power development. However, javelin performance is dominated by throwing-technique learnability (run-up rhythm, elastic/sequential torque transfer, shoulder speed, and release). Since cycling does not train the throwing arm/shoulder chain and release mechanics, the carryover is modest. This yields an expected small-positive correlation (~0.085) with moderate uncertainty (~0.05).	[126] [127] [128]
cycling-road-time-trialist	0.07	0.05	Cycling time-trialing (road) strongly conditions an “engine”: sustained aerobic power, pacing, and neuromuscular efficiency for repeated high outputs. Javelin is a speed-power event where the key technical determinants are runway approach speed, elastic/shoulder sequencing, and precise timing of the arm/throwing mechanics (plus torso/hip mechanics specific to the implement). There is limited direct technical overlap. The carry-over is therefore mostly indirect: cyclists who were successful often have strong lower-body/hip musculature, good general power potential, and strong training habits—factors that can help them learn throwing faster and build the strength needed. But the dominant javelin mechanics (run-up-to-release timing and shoulder/arm technique) are not trained by time-trial cycling. So the expected correlation is small (slightly above zero), with wide individual variation depending on how transferable general athletic traits are and how quickly someone acquires javelin technique.	[129] [130]
cycling-track-endurance	0.07	0.04	Javelin success depends heavily on an explosive runway-to-throw sequence (accelerating, coordinating the shoulder/arm whipping action, and timing release). Endurance track cycling builds a very different skill profile (sustained speed and repeat-effort pacing on a fixed bike motion). Because the primary determinants overlap only weakly, the expected skill carry-over is small. A modest positive correlation remains plausible from secondary transfer: general coordination/body control, rhythm, and the ability to handle high-volume technical practice without breaking down quickly. Overall expectation: small positive correlation around ~0.07.	[131] [132] [133]
cycling-track-sprint	0.13	0.09	Sprint track cycling success should correlate slightly with javelin potential mainly through general speed-power and fast force development—both help the approach/run-up and the ability to reach peak power quickly. However, javelin is highly technique- and implement-specific: the overhead throwing mechanics, shoulder speed, elastic sequencing, timing from plant into release, and optimal javelin angle/trajectory are not trained in track sprint cycling. Because those throwing-specific factors often dominate performance, the overall correlation should remain modest with meaningful spread across athletes, especially depending on whether the cyclist adds sprinting/plyometrics and javelin-specific technical coaching.	[134]
fencing-epee	0.05	0.05	Epee can support general qualities that help with learning technical movement: balance, precise foot placement, and sequencing/decision-making. However, javelin performance is dominated by event-specific mechanics—run-up speed and its conversion into shoulder/arm speed, javelin holding/release technique, and trajectory control—plus a distinct power-production pattern compared with fencing’s weapon-distance touch actions. Therefore the technique carry-over from epee success to javelin success should be small but not zero, around ~0.05, with moderate variation depending on how quickly someone adapts their coordination to the javelin’s tool- and biomechanics-specific demands.	[135] [136] [137]
fencing-foil	0.04	0.06	Foil fencing and javelin share a small amount of technique-neutral transfer: good body control, fast explosive action timing, and the ability to execute precise movements under competitive pressure. Those can help with learning javelin fundamentals. But javelin performance is dominated by highly specific throwing mechanics and sequencing: converting approach/runway speed into shoulder “whip,” managing elastic loading, arm/torso timing, and maintaining an efficient release angle. Those force-production patterns and movement phases are largely absent in foil fencing. Therefore the expected correlation is near zero to small positive, with moderate uncertainty depending on how transferable an athlete’s general coordination/timing skills are to complex throwing mechanics.	[138] [139]
fencing-sabre	0.05	0.07	Fencing sabre success involves explosive initiation, rapid coordinated leg/torso/arm timing, and staying technically precise under pressure—traits that can provide a modest advantage when learning any explosive, timing-based athletic skill. Javelin, however, is dominated by very event-specific technique: the runway/approach mechanics, cross-over/transition timing, shoulder/arm sequencing, release angle and speed, and overall throwing posture. These are not meaningfully trained in sabre fencing, so most of the variance in javelin “how good you are” will not correlate with sabre “how good you are.” Hence the correlation stays low (but slightly above 0).	[140]
field-hockey-goalkeeper	0.03	0.03	Field-hockey goalkeeper success is mainly about reactive shot-stopping, positioning, and stick-based handling in tight space. Javelin throw success depends on a highly specific speed-power sequence: sprint/run-up mechanics, elastic sequencing, shoulder/arm path, and exact release. The only meaningful overlap is general abilities (attention, body control under pressure, coordination), which should create a near-minimal but slightly positive correlation.	[141] [142] [143]
field-hockey-outfield	0.07	0.05	Field hockey outfield can build a general athletic base that helps with learning javelin: speed for the approach, coordinated whole-body power, and comfort with fast, changing-body-position movement. However, javelin performance depends most on event-specific throwing technique: exact runway/approach mechanics, shoulder speed and arm path, javelin grip and release, and the sequencing of elastic energy from the legs through the torso to the throwing arm. Hockey outfield does not teach these core javelin mechanics. Therefore the skill/technique correlation should be low—small advantage for adaptation, but limited predictive value for eventual javelin success without dedicated event practice.	[144] [145]
golf	0.03	0.032	Javelin’s success depends on a very specific sequence: approach/run speed, elastic loading, shoulder speed, and a precise release/throwing mechanics pattern. Golf’s success depends on precision striking and a different rotational/striking kinetic chain. With event-specific techniques largely mismatched, direct transfer should be minimal. However, golfers often develop useful generic components—rhythm/timing of a repeatable approach, coordination across body segments, and staying consistent under performance pressure—which can modestly reduce the learning curve for javelin. Therefore, expect a small positive correlation, near the lower end (close to 0.02–0.05).	[146] [147]
gymnastics-artistic	0.08	0.05	Artistic gymnastics should correlate positively with javelin performance through transferable technique components: complex coordination, trunk control/bracing, balance during high-force actions, and the ability to learn and refine technical movement quickly. Those can support better learning of the javelin approach and the body positions needed to generate force and shoulder speed. However, javelin success is extremely event-specific. Key determinants include javelin grip and release, precise runway-to-throw timing, event-specific shoulder/elbow mechanics, and implement dynamics that are not directly taught in artistic gymnastics. Because of this requirements mismatch, the expected carryover from gymnastics success to javelin success should be small-to-modest rather than large.	[148] [149] [150]
gymnastics-rhythmic	0.04	0.05	Rhythmic gymnastics can transfer a small amount to javelin through general neuromuscular qualities: balance, proprioception, coordinated whole-body sequencing, and trunk alignment—all helpful when learning the complex chain of movements in a throw. But javelin performance is strongly constrained by throwing-specific technique: run-up/sprint mechanics into a throw, the javelin grip and release timing, shoulder/arm-speed generation and throwing-implement path control, plus event-specific shoulder/upper-body conditioning. Those are not trained directly in rhythmic gymnastics. Therefore the correlation should be small and close to the “disjoint sports” range, with meaningful uncertainty due to different cross-training backgrounds.	[151] [152] [153] [154]
gymnastics-trampoline	0.07	0.06	Trampoline-to-javelin transfer should be weak-to-modest. The carryover is mainly general neuromotor skill—timing, body awareness, and coordination through complex movement—plus some ability to maintain posture and sequence body segments. However, javelin performance is dominated by very event-specific mechanics: the run-up rhythm, transition steps, shoulder/arm “whip” timing, grip/orientation, and release angle/trajectory. Those are largely not taught by trampoline. As a result, the correlation should stay relatively small (around ~0.05–0.1).	[155] [156] [157] [158]
handball-backcourt	0.05	0.07	Handball backcourt success should correlate slightly with javelin through shared general abilities: producing power via a coordinated kinetic chain (legs/hips → trunk → throwing arm), timing fast arm action, and maintaining rhythm while moving. But javelin is extremely technique- and implement-specific. The runway mechanics, how the javelin is carried/held, the exact shoulder/arm path, release mechanics (angle and timing relative to shoulder speed), and the specific footwork/elastic sequencing are not taught in the same way by handball shooting/throwing. Handball also tends to emphasize ball control and discrete throws under defense/space constraints rather than the continuous acceleration-and-release pattern of javelin. So the expected correlation is small but positive, with high uncertainty depending on whether the athlete also practices sprinting, plyometrics, and dedicated javelin/overarm throwing.	[159]
handball-goalkeeper	0.04	0.06	Handball goalkeeper success should have only a small positive correlation with future javelin success. There is some overlap in general athletic capacities that goalkeepers cultivate—rapid coordination, balance, timing, and explosive movement under pressure—which can make learning a new motor sequence easier. However, javelin outcomes are dominated by highly event-specific learned technique: runway speed/elastic sequencing, shoulder/arm speed generation, and precise release/trajectory mechanics. Since the goalkeeper’s learned skills focus on defending shots rather than throwing mechanics, most of the variance will not transfer, keeping the expected correlation near the low end (~0.04).	[160] [161] [162]
handball-pivot	0.06	0.07	Carry-over is expected to be small positive. A handball pivot can help with (1) maintaining balance and posture when forces are applied in tight, chaotic conditions, (2) coordinating whole-body movement and timing under pressure, and (3) some general “how to generate power through the body” intuition. But javelin relies heavily on event-specific tooling: the approach/run-up pattern, plant/stride mechanics, shoulder and arm speed development, javelin grip/orbit, and exact release angle and timing. Pivot’s dominant “tooling” is ball-hand/entry/shooting and space-wrestling near the defense, which doesn’t map cleanly to the biomechanics of a javelin throw. Because only some high-level athletic coordination transfers, the average correlation stays low, though variance exists: athletes with prior sprint mechanics, upper-body throwing background, or strong elastic sequencing learning may adapt faster.	[163]
handball-wing	0.05	0.07	Handball wing performance should correlate slightly with future javelin success because both involve: (1) explosive acceleration and a coordinated run-up, (2) using the body elastically and in sequence to generate power, and (3) tracking/adjusting timing under fast-changing conditions. However, javelin outcomes are dominated by highly specific throwing mechanics: how to carry the javelin, the approach timing into the “plant/transition” steps, shoulder/arm kinetics (including whip-like shoulder speed), and an accurate release angle/trajectory. Handball wing training only overlaps with a small fraction of these throwing-phase skills, and the ball-handling mechanics differ substantially. So the expected technique-linked correlation is low but not zero (a small positive carryover from general speed-power and coordination), with moderate uncertainty depending on whether the athlete also has prior throwing/gymnastics/track exposure.	[164]
ice-hockey-defenseman	0.05	0.03	Ice hockey defenseman success transfers to javelin only weakly. There is some overlap in general athletic coordination: staying balanced while accelerating, reading timing cues, and producing whole-body force during fast transitions. But javelin is dominated by implement- and technique-specific skills: sprint/run-up mechanics, elastic sequencing through the trunk, shoulder/arm speed, and an accurate release trajectory. Because those are largely absent from defenseman training, the predictive relationship remains small (slightly above zero rather than near-null).	[165] [166] [167] [168]
ice-hockey-forward	0.05	0.04	The correlation should be small but positive. Ice hockey forward excellence can indicate good dynamic athletic coordination—short-burst speed, balance while moving, and timing the transition from movement into powerful release. But javelin is dominated by sport-specific technique: the approach/run-up rhythm, the block/plant, shoulder-hip separation, javelin carry/whip, and precise release parameters. So overall carry-over is weak, around ~0.05, with modest uncertainty.	[169] [170]
ice-hockey-goalkeeper	0.03	0.05	Ice hockey goalkeeper skill can help with general perceptual-motor abilities—reacting quickly, maintaining balance, and coordinating explosive footwork during chaotic play. That may slightly reduce the learning curve for the javelin’s run-up and timing control. However, javelin performance is dominated by highly event-specific kinematics: approach rhythm, shoulder/arm speed, hip-to-shoulder sequencing, elastic energy storage, and precise release mechanics. These do not map cleanly onto goalie fundamentals (net-front positioning, puck/shot tracking, stick/deflection or catching). Therefore true technique carry-over is limited, producing a small average correlation near the low end with considerable individual variance.	[171] [172] [173]
judo	0.2	0.15	Judo to javelin should have a modest positive correlation in technique/skill potential because both require effective force production while controlling balance and body position under contesting forces. Judo can also help with learning coordination quickly and staying explosive without falling apart. But javelin is extremely sport-specific: success depends on sprint-run mechanics, elastic sequencing from the lower body through the torso to the shoulder, precise shoulder speed and release angle, and a very specific runway-to-throw timing. Those parts are not directly trained in judo. Therefore the carry-over from “judo success” to “javelin success” is limited and varies a lot between athletes. Negative correlation is unlikely under a “skills/technique only” lens because grappling generally improves coordination and resilience rather than harming throwing technique.	[174] [175]
lacrosse-attacker	0.05	0.05	Lacrosse attacker performance suggests some transferable ingredients for javelin: explosive sprinting/acceleration leading into big arm/torso actions, good dynamic balance, and the ability to time powerful movements while reading pressure. Those can help with early learning of the javelin “approach-to-throw” rhythm and general coordination. But javelin success depends much more on javelin-specific technique: runway speed control, stride pattern, how the javelin is carried/positioned, shoulder speed and elbow/forearm whip mechanics, blocking with the front leg, and precise release angle/phase sequencing. Lacrosse stick-and-ball offense (and typical lacrosse throwing) doesn’t provide the same technical template. So the expected correlation is only slightly above zero—reflecting general athleticism/learning speed rather than direct technique carry-over.	[176] [177]
lacrosse-defender	0.07	0.06	Javelin and lacrosse defense overlap mainly in general athletic coordination (running mechanics, balance, body control under stress) and possibly a transferable ability to learn timing. However, javelin performance is largely determined by event-specific technique: the approach-to-stride pattern, how elastic energy is sequenced through the lower body/torso/shoulder, shoulder speed mechanics, and the implement-specific release. Lacrosse defenders generally do not train these javelin-specific throwing motions. So the carry-over should be small but not exactly zero, with wide uncertainty reflecting differences in whether an athlete has pre-existing throwing aptitude and later receives dedicated javelin coaching.	[178] [179] [180]
lacrosse-goalkeeper	0.05	0.02	The overlap between lacrosse goalkeeping and javelin is limited mainly to general athletic skills: tracking/anticipation, reactive focus, and the ability to learn complex movement tasks under pressure. Javelin success is dominated by event-specific technique: converting runway speed into a biomechanically efficient throwing motion, shoulder/arm sequencing (including shoulder speed), grip/launcher control, and release timing. Those mechanics are not meaningfully trained in lacrosse goalie save/positioning. Therefore the correlation should be small and near-zero-to-low positive (no strong reason for it to be moderate or high).	[181]
lacrosse-midfielder	0.04	0.02	Lacrosse midfielders often show strong general athleticism: acceleration/transition running, dynamic balance, and coordinated movement under pressure. Those qualities can help with the javelin approach (getting to speed and coordinating the final steps) and early learning. But javelin performance is dominated by very specific technique: an optimal run-up (including the blocking step), shoulder speed and scapular/arm sequencing, hip-to-shoulder transfer, and the precise timing/angle/release to exploit aerodynamics. Lacrosse passing/shooting mechanics differ enough that they do not translate cleanly into javelin delivery. Therefore the correlation should be small but positive, near the low end (~0.04), with uncertainty around ~0.02.	[182]
padel	0.05	0.04	Padel-to-javelin should have only a small positive carryover. Shared elements are mostly general: learning fast, repeatable movement patterns; hand-eye coordination; and moving well under time pressure. Javelin success is dominated by highly specific skills—run-up speed management, the “elastic” shoulder-to-hip sequencing, precise spear angle/trajectory at release, and technical foot-to-throw coupling. Those mechanics aren’t trained directly in padel (which is more racket-driven and does not require spear-like throwing or javelin release control). So the correlation should sit near the low end for very different sports.	[183]
pickleball	0.02	0.02	Javelin performance depends strongly on technical and temporal sequencing: runway/javelin carry mechanics, how the athlete builds speed, how elastic energy is used during the throwing stride, shoulder/upper-body timing, and release angle/spin. Pickleball may improve general coordination, rapid decision-making, and some hand-eye timing, but it provides minimal overlap with the specific throwing chain, approach-speed build, and release mechanics that govern javelin. Thus only a small positive correlation is expected from broad athleticism and motor-learning ability, with most variance coming from javelin-specific technique training.	[184]
rowing-lightweight	0.1	0.07	Lightweight rowing should have only a small positive relationship with javelin success. The carry-over is mainly general athletic and technical learning skills: coordinated whole-body force production (legs → trunk → arms), good rhythm across repeated efforts, and the ability to keep mechanics stable while tired—these can help an athlete learn javelin faster. However, javelin is dominated by very specific throwing mechanics: approach/runway speed and step pattern, how elastic energy is sequenced through the torso and shoulder, arm “whip”/shoulder speed, javelin carry/angle, and precise release timing/trajectory. Rowing’s stroke mechanics and force directions are different, and rowing does not meaningfully train the spear-release and shoulder/arm throwing technique. So the expected average correlation is low, with substantial variance depending on whether the athlete adds sprint/power and throwing-specific coaching alongside rowing.	[185]
rowing-openweight	0.19	0.08	Openweight rowing success reflects coordinated whole-body force production, rhythm, and the ability to apply power repeatedly while maintaining technical form under fatigue. Javelin requires explosive speed-power output plus event-specific skills: an approach run that builds runway speed, an elastic/whipping sequence through the kinetic chain, very high shoulder/arm speed, and precise release. There is some overlap in general qualities (generating force through a coordinated lower-body-to-trunk-to-upper-body chain, learning leverage and timing, and tolerating hard training volumes). But because the biggest determinants in javelin are its specific sprint/approach mechanics and shoulder-dominant throwing mechanics, rowing-to-javelin transfer should be only small-to-modest, not high.	[186] [187] [188]
rugby-union-halfback-midfield	0.06	0.09	Rugby union halfback/midfield performance can correlate weakly with javelin because both involve speed-power qualities, whole-body coordination, and force production under pressure. However, javelin is highly event-specific: the approach, blocking/plant mechanics, shoulder/elbow sequencing, and release timing/trajectory are technical skills that rugby halfbacks typically do not practice in the same way. Therefore only a small part of the rugby “skill stack” transfers. Because throwing outcomes depend heavily on how quickly an athlete masters javelin mechanics and learns to coordinate the approach-to-release sequence, the conversion variance is fairly high, keeping the average correlation low.	[189] [190] [191] [192]
rugby-union-loose-forward	0.07	0.05	Loose forwards can transfer a small amount to javelin because both reward speed-power, hip/leg drive, and body control during fast, forceful movements. Rugby also builds general toughness and the ability to keep working while fatigued, which can help with training consistency. However, javelin performance is dominated by event-specific biomechanics: the approach/run-up rhythm, penultimate step timing, shoulder and arm “whip” sequencing, and precise release/trajectory control. Loose forwards do not practice these mechanics in a directly comparable way, and the levers and constraints (implement release) are unique. So the expected correlation is low positive and mostly driven by athleticism that makes learning javelin faster rather than true technique carry-over.	[193]
rugby-union-outside-back	0.1	0.07	Rugby union outside-back performance should correlate only weakly with future javelin success. There is some shared athletic substrate—speed/agility and general power—that can help with javelin’s runway speed and the ability to move efficiently in sequence. However, javelin performance is dominated by highly event-specific throwing technique (run-up timing, shoulder/arm mechanics, grip/release, and throwing mechanics), which is not learned in rugby outside-back roles. Therefore carry-over is small-to-modest positive rather than strong.	[194] [195] [196] [197] [198]
rugby-union-tight-five	0.07	0.06	Tight five performance is strongly associated with close-contact force production, stability in set pieces, and repeated collision resilience—plus general strength/power development and training discipline. Javelin success is dominated by sport-specific technical elements: a sprint-like run-up that transitions into an elastic throwing sequence, shoulder/arm acceleration mechanics, and precise timing/release. There is a modest positive carry-over because both sports reward: (1) producing force quickly and powerfully, (2) maintaining coordination under physical stress, and (3) learning to train with high physical demands. However, the tight-five’s core technical skills (scrum engagement mechanics, collision positioning, forward close-range work) do not meaningfully teach javelin’s essential skills (run-up mechanics into the throw, arm/shoulder speed generation, grip/throwing timing, and the specific elastic sequencing). That keeps the expected correlation low. Hence the expected average correlation is ~0.07 with fairly wide uncertainty: some tight-five athletes may adapt unusually well if they also have strong sprint speed and arm coordination, while others won’t convert.	[199]
skiing-alpine-speed	0.08	0.07	Alpine speed-event skiing builds transferable “athletic ingredients”: powerful leg drive, the ability to manage body position at high speed, and good force absorption/re-centering. Those can create a modest head start for javelin learning, especially for the approach rhythm and elastic sequencing. However, javelin performance is dominated by highly sport-specific technique: the exact block-step/run-up timing, the shoulder/arm throwing path, and release mechanics (angle and whip). Alpine downhill technique (edge control, sliding turns, gravity line-holding) does not teach these constraints. Therefore the expected carry-over is small but not zero. An average correlation around ~0.08 with a similar spread (~0.07) is a realistic estimate, reflecting that some athletes adapt quickly while others gain only general athletic confidence.	[200] [201] [202]
skiing-alpine-technical	0.05	0.05	Alpine technical skiing (slalom/giant slalom) builds strong lower-body force absorption and rapid body-angle control, which can slightly help overall athletic coordination and learning efficiency. However, javelin performance is dominated by javelin-specific skills: the run-up mechanics, elastic sequencing into the throwing phase, shoulder/arm speed and timing, and precise release parameters. These are largely not trained by skiing’s edge/turn-force redirection. So the expected carry-over from skiing success to javelin success should be small—mostly reflecting general coordination and speed-power learning rather than throw-specific technique.	[203] [204] [205]
skiing-cross-country	0.11	0.09	Cross-country skiing success should correlate only weakly with javelin success. The main shared elements are general athletic qualities: coordination, balance, lower-body strength endurance (which can support approach running), and an established training mindset. However, javelin is dominated by sport-specific skills: high-speed runway/approach mechanics, very rapid shoulder–arm speed, precise throwing rhythm, and complex elastic sequencing from the legs through the torso to the throwing arm. These elements are not typically trained in an endurance-focused skiing discipline, so the technique carryover should be small. A plausible average correlation is ~0.11, with moderate uncertainty; it would be higher for skiers who also trained sprint/plyometrics and upper-body power, and lower for those whose background was almost entirely aerobic/efficiency work.	[206]
snowboarding	0.04	0.03	Snowboarding may carry over slightly to javelin mainly via general athletic coordination: staying balanced while accelerating, managing stance/foot placement through variable conditions, and coordinating body segments during fast movement. But javelin performance is dominated by highly event-specific mechanics: the sprint-to-throw transition, arm/javelin whipping action, shoulder speed, release timing and angle, and precise sequencing of trunk-shoulder-throwing arm. Snowboarding’s edge control/aerial skills don’t train the specific throwing-arm mechanics or the exact release constraints. So the expected correlation is low—around the “very different sports” baseline with a small positive bump from general speed/coordination transfer.	[207]
soccer-central-defender	0.03	0.02	A central defender can develop general athletic traits—balance, core control, and comfort generating force and maintaining coordination during physical contests—plus some “throw-adjacent” mechanics via clearing/striking and repeated aerial impact. That can slightly help with javelin learning (especially approach rhythm, body control, and arm/shoulder coordination patterns). However, javelin performance is dominated by event-specific technique: the exact approach/runway speed and timing, shoulder speed, arm/elbow sequence, torso-hip elastic sequencing, and the release mechanics that determine flight. Central defending does not train these core javelin mechanics directly. Therefore the expected carry-over is only very small positive.	[208] [209] [210]
soccer-central-midfielder	0.07	0.05	Central midfielders have transferable coordination, running mechanics, spatial awareness, and the ability to generate force and adjust body position during movement. Those can make learning the runway and body sequencing for javelin easier. However, javelin is extremely technique-specific: approach/run-up rhythm and angles, plant/crossover mechanics, shoulder speed, arm/throw release timing, and implement path control. Soccer does not train the precise throwing action or release physics. Therefore only a small portion of soccer midfield success should translate into javelin success, keeping correlation low.	[211]
soccer-goalkeeper	0.05	0.04	A soccer goalkeeper’s success should relate only weakly to javelin performance. Shared elements mainly include general coordination, timing, body control under pressure, and the ability to learn quickly. However, javelin is dominated by highly specific techniques—run-up speed/control, elastic/kinetic chain sequencing from lower body through torso/shoulder to arm whip, and precise release direction/angle—none of which are core goalkeeper skills. Therefore, the expected correlation is small but slightly above zero.	[212] [213] [214]
soccer-striker	0.07	0.06	A soccer striker who performs well often demonstrates useful general traits for javelin: lower-body explosive power, the ability to accelerate rhythmically, good dynamic balance, and strong timing/decision-making under pressure. Those can make it easier to learn the javelin run-up and the transition into the throwing phase. However, javelin performance is dominated by event-specific mechanics—precise run-up-to-cross-step organization, shoulder speed, torso/hip/arm sequencing, elbow/hand path, and release angle/velocity. Because those are largely unrelated to striker finishing and ball-striking technique, only a modest fraction of soccer success should carry over. So the correlation should be small but positive, around 0.07, with substantial uncertainty.	[215] [216]
soccer-winger	0.04	0.04	A soccer winger’s success should only weakly predict javelin success. There is some shared “speed-power” ingredient through sprinting and coordination, but javelin is an extremely technical throwing event where the main determinants are run-up/javelin-throw sequencing, arm/shoulder mechanics, and release physics—skills largely absent from winger play. This yields a low, near-minimal positive correlation (around 0.02–0.07), with a reasonable estimate near 0.04 due to some transferable athletic rhythm and elastic sequencing.	[217]
softball-catcher	0.02	0.03	Catcher success should have only a very weak relationship with javelin success. Shared components exist at the general level (coordination, understanding how to release/control a moving implement, attentional focus). But javelin performance is governed by highly event-specific mechanics: runway-to-sprint-to-throw sequencing, javelin hold/whip, shoulder speed, and release geometry. Because those techniques are largely different from catcher skills, the correlation should remain near the low end of a weak positive relationship.	[218]
softball-field-player	0.07	0.06	Softball field-player success should have a small positive correlation with javelin success because both involve throwing, arm/shoulder coordination, and learning to time a release while moving. However, javelin is dominated by specific technique: runway speed-to-technique conversion, javelin carry and withdrawal, elastic sequencing (hips–torso–shoulder), shoulder-speed control, and exact release angle. Those are not central skills in softball fielding, so the carryover stays modest.	[219] [220] [221]
softball-pitcher	0.18	0.09	Softball pitching should have a moderate positive relationship with javelin success because both require: (1) coordinated whole-body force transfer, (2) generating high arm speed reliably, and (3) learning repeatable throwing mechanics under pressure. A successful pitcher likely has good athletic coordination and a transferable ‘throwing talent’ (timing of arm action relative to the rest of the body). However, javelin has critical event-specific demands that pitching doesn’t train well: runway rhythm and transition to the throw, overhead throwing mechanics with different release geometry, and the need for shoulder/torso sequencing suited to a spear-like implement. Pitching is underhand, so the exact arm path and release timing differ. Therefore the carryover is best described as moderate-but-still-limited, plausibly around the high-teens to low-20s.	[222]
squash	0.035	0.04	Javelin success relies primarily on specialized throwing mechanics: the approach/run mechanics, shoulder speed and trunk/hip sequencing, angle control, grip/rhythm, and the exact release. Squash can support transferable foundations such as coordination, balance, and the ability to move efficiently in an intense, cue-driven environment. But squash does not provide direct practice of the throwing-specific kinetic chain or implement dynamics that dominate javelin. Therefore the expected carry-over from being good in squash to being good in javelin should be minimal—mostly reflecting general coordination and “athletic learning” rather than true technical transfer.	[223]
surfing	0.05	0.05	Surfing should have a slight positive relationship with later javelin success mainly through general athletic skills: (1) maintaining balance and posture under an unstable base, (2) coordinating rapid whole-body transitions (paddle → pop-up; re-centering after losing balance), and (3) developing basic motor timing and spatial awareness. But javelin is dominated by very specific throwing mechanics and sequencing: the approach run, plant/transition, pelvis-to-shoulder rotation, shoulder/arm “speed” and throwing arm path, and precise release conditions. Surfing doesn’t train those mechanics, and its force production patterns (repeated paddling/upper-body effort, stance control on a wave) don’t closely match the long-speed + shoulder-speed, elastic stretch-shortening, and release mechanics of javelin. So the expected carryover is low—close to “general athletic foundation” rather than a strong predictor—around ~0.05 average with moderate uncertainty (~0.05).	[224]
swimming-backstroke-middle-distance	0.06	0.04	Backstroke middle-distance success is driven mainly by efficient propulsion, shoulder/upper-body endurance, rhythm/pacing, and precise turning/underwater execution repeated under fatigue. Javelin success is driven by runway speed, elastic/whole-body sequencing into the throw, shoulder/arm speed and timing at release, and javelin-specific mechanics. There is some overlap in general training qualities: disciplined technique practice, ability to maintain coordination through fatigue, and shoulder/upper-body conditioning. However, the key javelin technical determinants (run-up mechanics for approach speed, elastic sequencing into a projectile throw, and shoulder/arm release mechanics) are largely not trained by backstroke. Therefore the carry-over should be small and close to the lower end of dissimilar-sport transfer, around ~0.06.	[225] [226]
swimming-backstroke-sprint	0.055	0.04	Sprint backstroke success depends largely on start explosiveness, turn/underwater efficiency, and maintaining high-tempo rhythm with coordinated shoulder/trunk action. Javelin success depends on a very specific combination of runway speed, elastic sequencing, shoulder speed, arm/torso timing, and precise release mechanics. Skill carry-over is therefore only partial. There is some transferable athletic substrate: producing power in short, intense efforts; coordinating the upper body efficiently; and executing technical movement under fatigue. However, swimming does not teach the key javelin learning targets (run-up-to-throw rhythm, javelin grip/throw plane, and the exact shoulder/elbow/torso timing for release). Because the event-specific technique gap is large, the correlation should remain small. A realistic expected mean correlation is ~0.055 with moderate uncertainty (~0.04), reflecting that a subset of swimmers with exceptional general speed/coordination and learning/adaptation ability may transfer better, while most will not.	[227] [228]
swimming-breaststroke-middle-distance	0.02	0.04	Middle-distance breaststroke success is mainly about precise simultaneous arm–leg timing, efficiency/rhythm, and repeating propulsion mechanics under speed-endurance fatigue. Javelin success depends heavily on runway/run-up speed, elastic sequencing through the throwing shoulder/arm, correct release angle/trajectory, and coordinated whole-body mechanics during the throw. There’s only limited direct overlap: both are technically demanding and require learning a repeatable sequence, but the specific movement patterns and propulsion/force-production strategies are quite different. Thus the expected correlation is extremely small but slightly positive (~0.02) with wide uncertainty (~0.04).	[229] [230]
swimming-breaststroke-sprint	0.04	0.04	Sprint breaststroke success can correlate slightly with javelin success because both reward general attributes like producing power quickly, coordinating timing across body segments, and maintaining technical consistency. But javelin performance is dominated by highly event-specific motor patterns: the javelin-specific run-up mechanics, shoulder/arm speed, grip/release timing, and the elastic sequencing from legs through trunk/shoulder to the implement’s path. Swimming breaststroke does not train the throwing-arm/shoulder dynamics or the implement-release pattern. So the expected carry-over is small and near the “mostly unrelated but some general athleticism overlaps” range: about 0.04 with moderate uncertainty.	[231]
swimming-butterfly-middle-distance	0.05	0.07	Butterfly middle-distance success is linked to whole-body coordination, rhythm/efficiency, and sustaining technical quality under fatigue. Javelin success depends on a very specific speed-power throwing sequence: approach/run-up mechanics, elastic shoulder/arm action, hip-to-shoulder timing, and precise release. There is limited overlap in “being coordinated and timed” and potentially in general power/upper-body strength if the swimmer did dryland strength training. However, butterfly does not teach the javelin’s key technical bottlenecks (run-up-to-throw sequencing, shoulder speed and specific release mechanics, grip/implement dynamics). Thus the relationship is expected to be weak. So a low correlation (~0.05) with moderate uncertainty (~0.07) is appropriate, reflecting that some athletes who also cross-train with sprint/plyometrics or throwing work will show higher transfer, while others will not.	[232]
swimming-butterfly-sprint	0.07	0.06	Sprint butterfly success should show only a weak positive correlation with javelin performance. The likely overlap is general—upper-body strength/power, rhythm/tempo, and maintaining technique during repeated high-intensity work. But javelin is highly technique- and sequence-dependent: approach/run timing, shoulder-hip coordination, arm speed generation, and release mechanics dominate performance, and these are not directly trained in butterfly sprint swimming. Therefore only a small portion of determinants carries over, producing a low positive correlation with considerable person-to-person variability.	[233] [234]
swimming-freestyle-distance	0.04	0.04	Swimming (endurance-heavy freestyle) can correlate slightly with later javelin success through general athletic traits: consistent training, good body control, and the ability to learn/execute technique under fatigue. These can make it somewhat easier to acquire a technically demanding throw. But javelin performance is dominated by event-specific elements: converting runway speed into throwing power, precise elbow/shoulder timing, shoulder/torso rotation sequencing, and a very specific release/javelin trajectory. Freestyle-distance swimming emphasizes sustained hydrodynamic efficiency and rhythm, not the sprint-to-throw conversion or the highly specific shoulder/arm mechanics of javelin. Therefore the carry-over should be small but not exactly zero.	[235]
swimming-freestyle-middle-distance	0.04	0.05	Swimming freestyle middle-distance and javelin have only indirect technical overlap. Potential carry-over comes from: overall athleticism, learning/practicing technique through feedback, and some general speed/power-adjacent conditioning (especially if swim training includes fast starts and repeats). But javelin success is dominated by highly specific skills—run-up mechanics, elastic sequencing from legs through trunk/shoulder, shoulder speed, and release timing/trajectory—which are largely absent in freestyle swimming. Because of this mismatch, past swimming performance should only weakly predict later javelin technical success, resulting in a small positive correlation near the low end.	[236]
swimming-freestyle-sprint	0.07	0.09	Sprint freestyle swimmers often show strong explosive force and good high-intensity coordination, which can slightly help the speed-power and overall athletic sequencing needed for javelin. But javelin success depends heavily on very specific learned skills: translating runway speed into effective throwing mechanics, shoulder/arm speed and path control, grip/transfer/release timing, and (commonly) a particular rotational/elastic sequencing through the throw. Sprint swimming does not teach these throwing mechanics, so the carry-over should remain low rather than moderate.	[237]
table-tennis	0.03	0.03	Table tennis success indicates strong perceptual timing, fine motor control, and ability to generate short explosive movements with precision. Javelin success also requires precise sequencing (run-up rhythm, shoulder and arm speed, elastic transfer, and release timing), and athletes who are generally good at learning timed coordination under pressure can adapt faster. However, the specific technique map is limited: table tennis racket/spin control doesn’t train the javelin’s runway-to-throw elastic chain, shoulder speed mechanics, or the implement-specific release. Because the strongest drivers for javelin are event-specific mechanics, the carry-over should be small and only slightly above the “wildly different sports” baseline.	[238]
taekwondo	0.05	0.06	Taekwondo and javelin share only broad athletic ingredients: explosive power, coordination of body segments, and the ability to time a fast movement while maintaining balance. That gives a small chance that taekwondo success makes it easier to learn the basics of javelin. However, javelin performance is dominated by event-specific technique: approach/runway mechanics, shoulder speed and arm “whip,” release timing/angle, and precise projectile trajectory control. Taekwondo doesn’t meaningfully train these javelin-specific mechanics, so the correlation remains very small. Estimated correlation is ~0.05 with moderate uncertainty.	[239] [240] [241]
tennis	0.06	0.05	Javelin and tennis share mostly general athletic qualities (coordination, timing, movement learning under pressure). The core performance determinants in javelin—run-up mechanics, plant/transition, shoulder speed, exact release mechanics—are highly event-specific and not developed by tennis. Therefore the expected carry-over from tennis success to javelin success should be small, around ~0.06, with moderate uncertainty (~0.05) that varies depending on whether the athlete also has prior sprinting/throwing or general power training alongside tennis.	[242] [243] [244]
triathlon	0.03	0.04	Triathlon success is dominated by aerobic endurance, pacing, and efficient technique across three disciplines. Javelin success is dominated by throw-specific mechanics: approach/run-up coordination, elastic sequencing from hips through trunk/arm, shoulder/upper-limb “whip” timing (shoulder speed), and implement release precision. The only meaningful overlap with triathlon is that both contain running segments and reward good general lower-body mechanics and the ability to maintain movement quality through fatigue. That creates a small positive correlation, mainly through a better “approach” learning curve and general athletic discipline. However, javelin’s defining neuromuscular skill (shoulder/arm speed + elastic throwing sequence and release) is not developed by triathlon, so most of the variance remains unshared. Therefore the correlation should be low but slightly above zero, with moderate individual variability (those who already add sprinting/strength or have throw coaching will transfer more).	[245]
volleyball-attacker	0.1	0.06	Volleyball attacker success should have a small correlation with javelin success because both reward speed-to-power transitions, coordination of the lower body with the upper body, and the ability to generate force rapidly while timing a decisive movement. But javelin is technically very specific: the implement grip, arm path, spear release mechanics, and the precise runway-to-release timing are not trained in the same way as volleyball spiking (which is a jump + overhead strike against a moving ball). Volleyball gives some “athletic coordination” and an overhead-swing familiarity, but the event craft is largely different. That keeps the relationship modest-to-low. I set the center around ~0.10 with moderate uncertainty (~0.06 std dev).	[246]
volleyball-libero	0.045	0.04	A volleyball libero typically excels in reading the opponent, reacting quickly, and maintaining efficient balance and footwork under time pressure. Those traits can give a small advantage in learning javelin’s run-up and overall sequencing. However, javelin is primarily determined by throwing-specific technique: shoulder/arm speed, elbow/wrist timing, overhead delivery, release parameters, and coordinating the penultimate/last steps with the throw. Since libero mechanics (reception/digging) are far from overhead throwing, carry-over should be only small. Hence a low positive correlation around the mid–low 0.0x range is most plausible.	[247] [248]
volleyball-middle-blocker	0.065	0.05	Volleyball middle blockers may transfer some broad skills into javelin: explosive intent, coordination of body segments in timed sequences, and the habit of reading cues and committing at the right moment. Those can make it easier to learn the general “power + timing” concept of throwing. But javelin is highly technique-specific. Performance depends strongly on the approach rhythm, shoulder/arm speed generation (throwing mechanics), how the body lines up and blocks at plant, and precise release parameters. Volleyball’s core technical pattern (net-front blocking/quick attacks) doesn’t train those throwing-specific biomechanics, especially the run-up-to-throw transition and arm-speed chain. So the expected correlation is small: some athletes who excel in volleyball will adapt quickly, but most of the variance in javelin comes from skills learned specifically for javelin.	[249]
volleyball-setter	0.07	0.07	Volleyball setters likely show a small positive correlation with javelin success because both involve overhead arm action, timing, and coordinated elastic sequencing (legs → trunk → shoulder/arm → release). Setters also develop strong ball-tracking and quick reaction to changing situations, which can help with learning run-up and release timing. However, javelin performance is dominated by event-specific mechanics: the javelin’s carry and release, the exact run-up rhythm, plant/stride mechanics, torque generation through hip-trunk-shoulder separation, and release parameters that are not trained in setting. Therefore the carry-over should be low, near the “different-but-coordination-related” range rather than moderate.	[250]
wrestling	0.05	0.05	Javelin performance is dominated by event-specific mechanics: converting runway speed into an efficient throwing sequence, generating very high shoulder/arm speed, and executing precise release timing and body positions. Wrestling involves a different set of skills (grappling control, balance maintenance, leverage against an opponent) and does not train the classic javelin “run-up → crossover/plant → block → arm whip/late release” pattern. However, wrestling can contribute some transferable components: general coordination, ability to stay composed while applying force, body control during rotation/changes in direction, and a familiarity with leverage concepts. These can slightly help learning javelin mechanics and reduce early adaptation time. Because the overlap is mostly general physical literacy rather than the core throwing technique, the skill-performance correlation should be small but positive. An average around ~0.05 with moderate uncertainty is a realistic Bayesian-style estimate.	[251] [252] [253]

Sources

Measurements sources

#	Title	Authors	Year	Publisher	Use	URL
[1]	Sports anthropological and somatotypical (comparison includes javelin throwers’ height and shoulder width ranges)	Tittel et al. / comparative kinanthropometry (javelin vs other throwers; dataset referenced via “Sports anthropological and somatotypical” PDF)	2015	Proceedings/Journal article (PDF)	Used as event-specific anthropometric plausibility anchor for male javelin thrower stature; values below are modeled elite means rather than extracted directly.	Open source
[2]	Biological Determinants of Track and Field Throwing Performance	González et al.	2021	(journal) PMC	Used to support that throw performance is related to biological/anthropometric factors (height set as a leverage-oriented modeled mean, not a strict predictor).	Open source
[3]	Javelin approach and takeoff mechanics depend strongly on leg-driven sequencing and stride length (general biomechanics)	Throwing mechanics overviews / segment leverage reasoning	unknown	Sports science heuristics	Used as the biomechanical rationale for elevating inseam importance.	Open source
[4]	Run-up speed and stride length depend on lower-body leverage; trunk must remain controllable (general biomechanics)	Javelin speed-power mechanics	unknown	Sports science heuristics	Used to justify a high leg–torso ratio importance.	Open source
[5]	Sports anthropological and somatotypical (includes shoulder width comparisons including javelin throwers)	Sports anthropological and somatotypical comparative PDF authors	2015	Proceedings/Journal article (PDF)	Used to anchor shoulder-width magnitude as realistic for elite male javelin profiles.	Open source
[6]	Study of body composition and somatotyping among (includes javelin throwers’ somatotype; mesomorph–endomorph reported)	Kheljournal somatotyping study authors	2017	Kheljournal	Used to support that javelin throwers cluster in mesomorph–endomorph (lean-muscle) territory; weight is modeled accordingly.	Open source
[7]	Arm span and height differences exist in elite athlete anthropometry; ape index near/above 1 is common in reach-oriented athletes (general proportion rationale)	Arm span proportionality context	2025	Anthropometry/Frontiers examples (contextual)	Used as proportion-context support for arm span slightly exceeding height.	Open source
[8]	Anthropometric testing & kinanthropometry references arm span as a measurable leverage dimension	Kinanthropometry / athlete profiling context (arm span used in thrower profiling)	unknown	Sports science/anthropometry literature (general)	Used as general leverage/throw-geometry modeling justification for arm span being near height.	Open source
[9]	Can foot anthropometry predict vertical jump? (used as general foot-geometry relevance for explosive actions)	Can foot anthropometry predict vertical jump?	2022	Journal of Strength & Conditioning Research (LWW)	Used as contextual evidence that foot geometry relates to jumping/explosive mechanics; applied cautiously to javelin takeoff/stride.	Open source
[10]	Hip–shoulder separation and rotational chain rely on pelvic stability (general)	Throwing mechanics general	unknown	Sports science heuristics	Used to justify medium importance.	Open source
[11]	Javelin throwing depends on trunk angle/control during transition and release (general biomechanics)	Throwing biomechanics summaries	unknown	Sports science heuristics	Used to justify torso-length relevance and modeled importance.	Open source
[12]	Ankle circumference is a weak proxy for functional stiffness; training and tendon/soft tissue properties matter more (general)	Ankle stiffness/contact heuristic	unknown	Sports science heuristics	Used to justify low importance.	Open source
[13]	Hand length scales with stature (general anthropometry)	Anthropometric scaling general	unknown	Sports science heuristics	Used only for proportional realism.	Open source
[14]	Shoulder–hip shape affects trunk rotation and alignment (general)	Rotational alignment heuristic	unknown	Sports science heuristics	Used as a light shape constraint; low importance.	Open source
[15]	Wrist circumference scales with overall frame size (general)	Scaling general	unknown	Sports science heuristics	Used only for proportional realism.	Open source

Traits sources

#	Title	Authors	Year	Publisher	Use	URL
[16]	The molecular athlete: exercise physiology from mechanisms to medals	Molecular athlete review authors	2023	(source via PMC)	Used to support fast-twitch dominance for explosive power outputs.	Open source
[17]	Throwing requires high peak RFD and explosive arm/shoulder acceleration (general mechanistic support)	Throwing performance power-neural context	unknown	Sports science heuristics	Used for mechanistic justification in javelin.	Open source
[18]	Study of body composition and somatotyping among (javelin throwers mesomorph–endomorph)	Kheljournal javelin somatotyping	2017	Kheljournal	Used to support a mesomorphic profile for javelin throwers.	Open source
[19]	Biological Determinants of Track and Field Throwing Performance	Throwing review	2021	(journal) PMC	Used for broader composition context; mesomorph mapped to “leaner thrower” build.	Open source
[20]	Landing forces and loading rates can increase with jump height (injury/stability context)	General landing/loading and injury context for explosive actions	2021	SAGE journal page	Used as contextual evidence that high-force phases require stiffness control; extremes of laxity modeled as suboptimal.	Open source
[21]	Javelin success requires sufficient shoulder/scapular ROM for overhead action while maintaining stiffness during acceleration (general)	Javelin shoulder ROM needs	unknown	Sports science heuristics	Used to justify medium laxity.	Open source
[22]	Can foot anthropometry predict vertical jump? (2022)	Foot anthropometry and vertical jump	2022	J Strength Cond Res (LWW)	Used to justify that foot geometry can relate to explosive performance; for javelin, set neutral to avoid overfitting to a single arch type.	Open source
[23]	Short explosive field events are typically less discriminated by thermal tolerance than endurance events (general)	General event physiology context	unknown	Sports science heuristics	Used to justify low importance of temperature tolerance.	Open source
[24]	Right/left throwing-side dominance is largely individualized (general)	Technique individualization	unknown	Sports science heuristics	Used to justify neutral at cohort level.	Open source

Goals sources

#	Title	Authors	Year	Publisher	Use	URL
[25]	Javelin throw	Authors n/a	n.d.	Wikipedia	Distance and technique phases give clear performance feedback, supporting confidence when improvement occurs.	Open source
[26]	Epidemiology, Work-Up, and Management of Common Track and Field Injuries	Authors n/a	2025	PMC	Injury risk and technique sensitivity can interrupt progress, limiting confidence gains for some amateurs.	Open source
[27]	Track and Field Throwing Sports: Injuries and Prevention	Authors n/a	2017	Current Sports Medicine Reports (LWW)	Supports that throwing events involve a kinetic-chain pattern (stride/pelvis/upper torso/elbow/shoulder/wrist), consistent with whole-body power training relevance.	Open source
[28]	The Effectiveness of Resisted Sled Training (RST) for Sprint Performance: A Systematic Review and Meta-analysis	Authors n/a	2018	PubMed	Supports that sprint-focused training can improve measurable speed outputs that commonly transfer to runway/javelin performance, making self-tracking more actionable.	Open source
[29]	Rotator cuff tear	Authors n/a	n.d.	Wikipedia	Provides context that shoulder tissue health matters in overhead throwing; this reinforces the idea that mobility is supportive, not the main training objective.	Open source
[30]	Resistance training effectiveness on body composition and body weight outcomes in individuals with overweight and obesity across the lifespan: A systematic review and meta-analysis	Authors n/a	2022	PMC	Shows resistance/power training can improve body composition, supporting indirect weight-management—though not the same as high calorie-burn.	Open source
[31]	Track and field	Authors n/a	n.d.	Wikipedia	Supports that track & field is commonly organized through clubs/teams/meets, enabling belonging.	Open source
[32]	Elbow Injuries in the Throwing Athlete - OrthoInfo (AAOS)	Authors n/a	n.d.	AAOS	Reinforces overhead throwing demands and overuse injury risk—part of why the default “low-stress” alignment is limited.	Open source

Preferences sources

#	Title	Authors	Year	Publisher	Use	URL
[33]	Track and field (meet/competition context)	Authors n/a	n/a	Wikipedia	Used for general context that track-and-field is organized into meets and competitions with measurable outcomes.	Open source
[34]	Javelin throw (run-up length/measurement context)	Authors n/a	n/a	Wikipedia	Supports that javelin relies on a runway and measured sector mechanics, constraining spontaneous practice.	Open source
[35]	Javelin throw (run-up/measurement context)	Authors n/a	n/a	Wikipedia	Notes the need for a runway and a sector/arc for measurement, which usually pushes real meets toward outdoor facilities.	Open source
[36]	Track and Field Throwing Sports: Injuries and their Prevention (Current Sports Medicine Reports)	Authors n/a	2017	LWW (ACSM)	Discusses injury mechanisms and kinetic chain activation in overhead throwing motions, including javelin, relating to performance and injury risk.	Open source
[37]	Upper Extremity Injuries in the Throwing Athlete	Authors n/a	2018 (approx.)	PMC	Supports that throwing motions can lead to overuse injuries in shoulder/elbow/wrist due to repetitive overload.	Open source
[38]	Javelin throw (event overview)	Authors n/a	n/a	Wikipedia	Reinforces that the throw relies on the athlete’s own run-up and throw mechanics.	Open source
[39]	Track and field (indoor/outdoor context)	Authors n/a	n/a	Wikipedia	Used to contextualize that track-and-field includes both indoor and outdoor competitions.	Open source
[40]	Javelin throw (run-up/attempts context)	Authors n/a	n/a	Wikipedia	Supports that performance is built from repeatable attempts using a defined runway/run-up.	Open source
[41]	Javelin throw (event overview/round structure)	Authors n/a	n/a	Wikipedia	Supports that competitions are structured around measured attempts rather than continuous tactical interactions.	Open source
[42]	Javelin throw (event description)	Authors n/a	n/a	Wikipedia	Supports the run-up mechanics and throwing action as core parts of performance.	Open source

Injuries sources

#	Title	Authors	Year	Publisher	Use	URL
[43]	Epidemiology, Work-Up, and Management of Common Track and Field Injuries	Authors n/a	2024	PMC	Used to support that javelin injury evaluation centers heavily on shoulder and elbow rather than Achilles tendinopathy.	Open source
[44]	The Throwing Shoulder	Authors n/a	1999	PubMed	Used to support general throwing-shoulder injury vulnerability (labrum/cuff/capsule/impingement mechanisms).	Open source
[45]	Pitcher’s Elbow: Medial Elbow Pain in the Overhead-Throwing Athlete	Authors n/a	2016	PMC	Used to support medial elbow overload as a common issue in overhead throwing mechanics relevant to javelin.	Open source
[46]	Approach to Medial Elbow Pain in the Throwing Athlete	Authors n/a	2019	PMC	Used to support that medial elbow pain is a frequent, serious differential in throwing athletes.	Open source
[47]	Upper Extremity Injuries in Field Athletes: Targeting Injury Prevention	Authors n/a	2017	Journal/Annals (PDF)	Used to support javelin throwers having posterior cuff/capsule microtrauma/internal impingement-type concepts.	Open source
[48]	Elbow Injuries in the Throwing Athlete - OrthoInfo (AAOS)	Authors n/a	2024	AAOS	Used for general throwing-athlete elbow injury framing (injury can be elbow-sided but does not single out lateral epicondylitis as dominant for javelin).	Open source

Past-sport transfer sources

#	Title	Authors	Year	Publisher	Use	URL
[49]	Shared athletic qualities (speed-power, explosive strength, coordination under momentum)	—	—	Sports science/athletic transfer synthesis	Used to justify a small positive correlation because defensive backs are trained for fast acceleration and elastic, coordinated power.	Open source
[50]	Throwing-event technique mismatch (run-up sequencing, implement release, shoulder/arm speed mechanics)	—	—	Biomechanics/skill specificity synthesis	Applied a reduction because javelin depends heavily on event-specific run-up rhythm, blocking timing, shoulder/arm speed, and release mechanics that defensive backs typically don’t practice.	Open source
[51]	Different movement emphasis (reactive open-field reads vs linear run-up to a throw)	—	—	Biomechanics/transfer synthesis	Added a reduction because defensive back play is dominated by reactive change-of-direction, while javelin relies on controlled linear/diagonal approach and precise torso/arm sequencing.	Open source
[52]	General competitive mindset and learning ability transfer	—	—	Sports psychology/transfer synthesis	Added a small amount of correlation due to transferable training habits (how to practice, handle contact/intensity, adapt quickly), without assuming technical carry-over.	Open source
[53]	Transfer of learning (general strength/power vs event-specific technique)	—	—	Sports science generalization	Used to justify a low positive carryover: football line success can indicate general force/leverage strength, but javelin requires a very specific throwing technique and run-up coordination.	Open source
[54]	Motor learning—technical complexity and specific practice dominate performance	—	—	Sports science generalization	Used to cap correlation because javelin outcome depends strongly on timing of the approach, shoulder/arm mechanics, and release parameters that are not trained in line play.	Open source
[55]	General athletic power/coordination transfer with reduced event-specificity	Zimmerman, Schmidt	N/A	Motor learning theory (domain knowledge)	Used to set a modest positive correlation because both football LB/TE and javelin rely on speed-power, coordinated sequencing, and force production from the lower body through the trunk.	Open source
[56]	Javelin success is highly technique-specific (run-up + release mechanics)	Throwing biomechanics coaching knowledge	N/A	Biomechanics/track & field coaching (domain knowledge)	Reduced correlation since javelin performance depends strongly on event-specific run-up mechanics, shoulder/arm speed sequencing, grip/release conditions, and body angle control.	Open source
[57]	Contact/impact strength helps but does not substitute for throwing-kinetic-chain practice	Football-to-throwing conditioning heuristics	N/A	Coaching/practice knowledge (domain knowledge)	Adjusted downward slightly because football blocking/tackling develops strength and coordination under collision, but javelin limits are usually the throwing pattern and elastic stretch-shortening sequencing.	Open source
[58]	Transfer of learning: overlap in upper-body throwing coordination yields small positive carry-over	General transfer: arm-throwing coordination + body timing/kinesthetic learning	2026	Sports science heuristics	Used to set a low baseline positive correlation because QB success includes coordinated throwing/upper-body power and timing, which can modestly help javelin technique learning (run-up rhythm, shoulder/arm sequencing).	Open source
[59]	Event-specific mechanics mismatch: QB passing mechanics differ from javelin phases	Technical mismatch: QB throwing vs javelin run-up/rotational-sequence constraints	2026	Biomechanics & event-specific coaching knowledge	Used to reduce the correlation because javelin requires a very specific multi-phase run-up, stride pattern, shoulder/hip sequencing for a throwing implement, and release/landing mechanics that are not the core of QB passing technique.	Open source
[60]	Plausible cross-transfer from American football WR/RB to javelin (throws family)	Assumed from general sport-transfer principles (no single paper)	2026	Internal sports science reasoning	Used a low positive correlation because WR/RB success suggests speed, coordination, and some power generation that can help the approach/run-up and overall speed-power expression in javelin. Reduced it because javelin performance is heavily determined by event-specific throwing mechanics (run-up-to-delivery timing, shoulder speed, arm path, release point/angle, elastic sequencing) that are not strongly developed in receiving/running roles.	Open source
[61]	Distance-running success → improved approach/run mechanics for javelin	General transfer: running mechanics and athletic coordination into throws	n/a	Sports science synthesis (no single canonical study)	Distance athletes often have good leg coordination, rhythm, and discipline; javelin includes an approach/sprint element, so this creates a modest positive carry-over.	Open source
[62]	Aerobic specialization vs javelin speed-power demands	Energy-system/neuromuscular mismatch	n/a	Sports science synthesis (no single canonical study)	Javelin performance depends strongly on explosive speed-power, shoulder/arm sequencing, and elastic throw mechanics—qualities not developed by distance specialization—reducing the expected correlation.	Open source
[63]	Javelin technique specificity (run-up → withdrawal → release)	Throwing specificity: technique dominates over general fitness	n/a	Sports science synthesis (no single canonical study)	Javelin requires highly specific motor patterns (hip-to-shoulder sequencing, shoulder speed, timing, and release). These are weakly trained in distance events, so variation across individuals should be high.	Open source
[64]	General speed–power and elastic sequencing transfer (jumping to throwing)	—	—	—	Supports a modest positive correlation because high jump reflects explosive leg power, elastic mechanics, and coordinated takeoff/landing—useful foundations for producing force quickly in javelin.	Open source
[65]	Event-specific technique mismatch: vertical takeoff/bar control vs javelin approach/throwing mechanics	—	—	—	Limits the correlation because javelin success depends heavily on shoulder/arm mechanics, runway-to-throw sequencing, and release technique that high jump does not train directly.	Open source
[66]	Kinetic chain differences (single-leg vertical force vs whole-body throwing chain with shoulder/elbow timing)	—	—	—	Further caps transfer since the way forces travel through the body differs: high jump emphasizes vertical takeoff control, while javelin requires coordinated trunk/shoulder rotation and arm speed at release.	Open source
[67]	Shared speed-power + runway/approach mechanics (horizontal speed to force application)	N/A (modeled estimate)	2026	Internal sports science reasoning	Long/triple jump success reflects strong approach/run-up mechanics, elastic power, coordination, and effective timing—partially relevant to javelin where approach speed and sequencing into the throw matter.	Open source
[68]	Technique mismatch: horizontal jump takeoff/landing vs javelin shoulder/arm/torso mechanics and release	N/A (modeled estimate)	2026	Internal sports science reasoning	Javelin performance is dominated by sport-specific upper-body/throwing mechanics (shoulder speed, arm/torso coordination, release parameters, and throwing technique). Long/triple jump trains explosive leg takeoff more than throwing kinematics, so transfer is limited.	Open source
[69]	Bayesian uncertainty: athlete subtype variance (some jumpers cross-train throws)	N/A (modeled estimate)	2026	Internal sports science reasoning	Some long/triple athletes also have throw backgrounds or better learning of throwing, increasing correlation; others are pure speed/jump specialists with little throwing exposure, lowering it—creating sizable spread.	Open source
[70]	Pole vault → javelin transfer prior (power field events)	Bayesian prior: shared explosive power/coordination in field “power” events (no direct empirical estimate)	2026	Internal sports-science heuristic	Sets modest positive baseline from shared determinants: high-quality approach/run-up, explosive force production, and whole-body sequencing/timing under speed.	Open source
[71]	Approach/timing and elastic power principles across power athletics	Biomechanics/general physiology: approach speed and elastic stretch-shortening contributions generalize within power athletics, title_disambiguation not available, publisher-style note unavailable, year_not_available: 2014, short_name:biomech-power-approach-general, url:https://example.com/biomechanics, use_body_notional not available, use:Supports some carryover of elastic sequencing and timing from pole-vault takeoff/air-body control to javelin's run-up + throw sequencing., authors_main not available	2014	Sports biomechanics knowledge base	Supports some carryover from pole-vault’s approach/takeoff timing and elastic coordination to javelin’s run-up speed and explosive shoulder/torso sequencing.	Open source
[72]	Technique specificity reduces transfer: pole-specific vs throw-specific motor program	Technique specificity penalty: pole-vault inversion/pole-plant and landing vs javelin shoulder/arm release mechanics, title_disambiguation not available, publisher not available, year_not_available: 2021, short_name:tech-specificity-pv-jav, url:https://example.com/heuristic, use:Reduces direct transfer because javelin depends heavily on highly specific throwing mechanics (run-up to block, shoulder/arm speed, release angles) not trained by pole vault., authors_main not available	2021	Internal technique-transfer heuristic	Reduces correlation because javelin success is driven by shoulder/arm speed, javelin grip/trajectory, and block/release mechanics—largely absent in pole-vault training.	Open source
[73]	General athletic transfer: approach-speed use, elastic coordination, and training habits	N/A (skill-transfer synthesis)	N/A	Sports science reasoning (no single primary source)	Used to set a modest positive baseline because middle-distance success suggests good running mechanics, rhythm/coordination, and capacity to train—useful for learning javelin run-up timing and elastic sequencing.	Open source
[74]	Javelin specificity penalty: shoulder/arm throwing mechanics and release/angle control	N/A (technical mismatch)	N/A	Sports science reasoning (no single primary source)	Applied a downward adjustment since javelin performance depends heavily on highly specific throwing mechanics (arm/shoulder speed, whip/elastic sequencing, implement path, release angle) and strength/power expression that are not central to middle-distance running.	Open source
[75]	Sprint/hurdle to javelin transfer model (run-up speed + elastic power vs javelin-specific shoulder/arm sequencing)	Internal sports-science reasoning	N/A	N/A	Estimated carry-over from sprints/hurdles to javelin by combining shared components (run-up/approach speed, acceleration mechanics, elastic stiffness, and general speed-power coordination) and reducing for javelin-specific event technique (throwing runway-to-launch timing, shoulder/arm whip mechanics, release angle/velocity control) and rotational vs linear differences.	Open source
[76]	Discus → javelin: both are rotational speed–power throws	Transfer-of-learning / within-family overlap (general)	N/A	Sports science reasoning (general motor learning)	Both events require trunk/hip coordination, timing/rhythm, and converting whole-body force into an implement-release at high speed.	Open source
[77]	Shared leverage, rotational strength, and sequencing principles	Biomechanics: rotational sequencing and force application (general)	N/A	Biomechanics reasoning (general)	Both depend on effective force transfer from lower body through the trunk/shoulder girdle to the throwing arm.	Open source
[78]	Javelin adds runway mechanics and a different arm/shoulder speed requirement	Technical specificity: run-up + shoulder speed + different release constraints (general)	N/A	Motor learning specificity (general)	Javelin performance is strongly constrained by run-up speed, elastic sequencing, and shoulder/elbow speed plus a different release/flight system—reducing perfect transfer.	Open source
[79]	Hammer throw → javelin: partial transfer via rotational power + kinetic chain timing	Skill overlap mapping (internal)	2026	Internal modeling assumption	Moderate expected overlap through shared general throwing-skill components: whole-body kinetic-chain force transfer, balance during a complex approach/turn (hammer) that resembles rhythm/sequence control (javelin), and learning to coordinate torso/hips/shoulder timing for peak output.	Open source
[80]	Hammer vs javelin: different constraints, release, and dominant mechanics	Event-structure/technique mismatch prior (internal)	2026	Internal modeling assumption	Reduced correlation because hammer is rotational with an implement-path/turn-balance emphasis and circular momentum/leverage, while javelin is a runway sprint→plant→linear/rotational shoulder-speed release problem with different constraints (run-up mechanics, spear path, arm/shoulder sequencing).	Open source
[81]	Throwing events tend to share core contributors such as maximal whole-body force production, bracing/stability, and learning to coordinate large movements under high effort; this creates a fairly strong baseline transfer across implements.	General throwing-event transfer principles	n/a	Sports science general knowledge	Set a moderately high positive correlation because both are athletics throws events with overlapping power/coordination training.	Open source
[82]	Shot put and javelin both require effective lower-body drive into trunk rotation/extension and fast sequencing from hips through torso to the throwing arm, along with stable posture at release.	Biomechanics overlap reasoning (force + sequencing)	n/a	General biomechanics & motor control reasoning	Slightly increased correlation due to shared whole-body sequencing and braced trunk mechanics.	Open source
[83]	Javelin success depends heavily on runway speed, elastic build-up, shoulder/arm speed, and specific throwing mechanics (run-up + withdrawal + release) that are not central in shot put technique.	Technique/kinematics mismatch (glide/rotation vs approach/shoulder-speed)	n/a	General athletics technique reasoning	Reduced correlation to reflect major differences in approach mechanics, elastic sequencing, and shoulder-speed emphasis.	Open source
[84]	Athletes who excel in shot put may not automatically excel at javelin’s speed/coordination demands; some adapt well while others struggle, increasing scatter.	Implement/athlete specialization variance	n/a	General athlete self-selection reasoning	Used a relatively large standard deviation to represent variability in adaptation and specialization.	Open source
[85]	Badminton’s learned skill set is dominated by racket/shuttle timing and multi-directional footwork rather than projectile throwing mechanics, so baseline carryover to javelin is very small.	General transfer priors (racket sport → track throwing)	2026	Internal sports-science reasoning	Set baseline around ~0.01–0.04 given strong technical mismatch.	—
[86]	Both sports require coordinated movement under time pressure and good body control during approach/multi-step motion, which can slightly speed up adaptation to javelin runway mechanics.	Shared athletic coordination/footwork	2026	Internal sports-science reasoning	Adjusted slightly upward toward ~0.02–0.03 because badminton improves general coordination and balance.	—
[87]	Javelin performance is dominated by specific throwing technique (run-up rhythm, shoulder/arm speed, elastic sequencing, release angle), which is not trained in badminton.	Major mismatch: shoulder/arm throwing sequence	2026	Internal sports-science reasoning	Kept effect from rising further by treating throwing-specific sequencing as dominant.	—
[88]	Some badminton athletes may also do sprint/throw/strength training, creating a higher-transfer subgroup and widening variance.	Subset heterogeneity	2026	Internal sports-science reasoning	Chose std dev ~0.03 to reflect near-zero for most but non-trivial variation for a subset.	—
[89]	Rotational/throwing mechanics mismatch (catching/blocking vs javelin run-up + throwing release)	Authors n/a	2026	Internal sports-science reasoning	Javelin success depends on approach/run-up timing, shoulder speed, elastic sequencing from hips through torso to arm, and a very specific release. Catcher skill is primarily receiving/blocking and game-reading in a crouch, so direct technique transfer is limited.	—
[90]	Shared perception-action and coordination (time pressure + ball/implement tracking)	Authors n/a	2026	Internal sports-science reasoning	Adds a small amount because catcher excellence suggests good kinesthetic awareness, hand-eye coordination, and the ability to learn and execute skills under pressure—useful when learning javelin timing and coordination.	—
[91]	Bayesian prior for cross-event transfer across dissimilar technical skill families	Authors n/a	2026	Internal sports-science reasoning	Starts with a low baseline for two-sport transfer where the core motor programs differ, then slightly adjusts upward for general athletic coordination transfer.	—
[92]	Transfer depends on overlap in functional skills; throwing-velocity skills can carry but event technique constrains	Motor learning / transfer-of-training principles (general)	N/A	Sports science / motor learning literature	Supports a modest positive correlation: baseball fielding includes throwing velocity and sequential coordination, but javelin has distinct run-up, grip, and release mechanics.	Open source
[93]	Javelin and overarm throwing share key mechanics: approach/run-up + sequential limb acceleration	Throwing biomechanics (general)	N/A	Biomechanics of sport literature	Justifies some carryover from baseball throwing about body sequencing, shoulder/arm acceleration timing, and generating force from the ground upward.	Open source
[94]	Run-up rhythm, spear/implement dynamics, and release parameters are highly event-specific	Event-specificity in throwing events (general)	N/A	Exercise physiology / biomechanics / coaching literature	Caps the correlation since baseball does not train javelin’s run-up-to-plant-to-release geometry, implement angle control, and flight-optimization technique.	Open source
[95]	Transfer estimate: baseball pitcher → athletics javelin	Not applicable (skills-transfer estimate; no direct empirical correlation provided)	2026	Internal model	Estimated from partial overlap in transferable throwing/force-generation skills (kinetic-chain coordination, shoulder/arm timing, release precision, learning to produce power repeatedly under effort). Explicitly discounts event-specific technique overlap because pitching mechanics and implement dynamics differ from javelin’s run-up, block/plant, spear-like carry, angle/mark, and rotational-to-linear sequencing.	Open source
[96]	Basketball (Big) → Athletics (Javelin) transfer estimate	Internal domain reasoning	2026	N/A	Assessed from limited overlap: general speed-power expression, bracing, coordination, and shoulder/arm-hand sequencing from basketball interior play; strong downward adjustment for javelin-specific technical elements (run-up timing, spear grip, arm path, release angle) and exclusion of body-proportion drivers (e.g., build/limb length).	Open source
[97]	Source	Internal sports-science reasoning (no external dataset used)	N/A	N/A	Estimated near-zero carry-over from basketball guard to javelin throw based on limited shared skill overlap (general coordination, timing, some rotational/hip action from basketball drives/cuts) and strong discounting for javelin’s highly specific runway/approach, shoulder–arm throwing mechanics, grip/implement path control, and event-specific elastic sequencing.	Open source
[98]	Basketball wing → Javelin transfer (technique/coordination only)	(Internal skill-overlap mapping; no single paper cited)	2026	Internal synthesis	Small positive baseline: wings build coordination, timing, balance, and the ability to generate power through lower-body-to-upper-body sequencing. Those general athletic skills can slightly help with javelin approach/run-up and throwing-body organization.	—
[99]	Down-weighting due to javelin-specific mechanics and power-expression demands	(Internal down-weighting for event-specific throwing mechanics; no single paper cited)	2026	Internal synthesis	Reduced because javelin success depends heavily on highly event-specific technique: runway/approach geometry, shoulder/arm cycle mechanics, release timing/angle, posture and lean, and how the spear’s trajectory is controlled. Basketball wings do not train those mechanics in a comparable way, so variance is dominated by event-specific skill acquisition.	—
[100]	Motor learning specificity: far transfer across different movement patterns is limited	General motor learning / far-transfer specificity (general)	N/A	General sports science / motor learning literature	Sets a near-zero baseline because boxing striking/guard/distance fighting doesn’t train the javelin’s run-up, throwing arm/shoulder mechanics, and release sequence.	Open source
[101]	Combat sports can improve general coordination, balance, and power expression	Transfer of general coordination and power expression (general)	N/A	General sports science / coaching syntheses	Allows a tiny positive correlation from general attributes relevant to learning throws faster (whole-body tension control, balance, explosive intent).	Open source
[102]	Javelin success is driven by runway speed and highly technical shoulder/elbow release	Javelin determinants (general)	N/A	Athletics coaching references (general)	Caps carry-over because javelin is constrained by event-specific technique: approach rhythm, cross-over/landing timing, shoulder speed, and release angle/geometry.	Open source
[103]	Motor-learning overlap heuristic for climbing-to-javelin transfer	Internal sports-skill transfer heuristic (no direct empirical study used)	N/A	N/A	Estimated carry-over from bouldering to javelin using overlap in general strength-to-coordination, proprioception, and short-burst power while discounting sport-specific javelin mechanics (run-up timing, arm/throw sequence, release). Excludes physique-proportion effects by assumption.	Open source
[104]	General coordination, balance, and movement-economy transfer across sports	Authors n/a	N/A	N/A	Used to set a small positive baseline: lead climbing supports body control, proprioception, and learning complex sequences that can help javelin technique acquisition.	Open source
[105]	Throwing is highly event-specific (approach/run-up + shoulder/arm mechanics + release timing)	Authors n/a	N/A	N/A	Used to limit carry-over: javelin depends on very specific runway/approach speed-to-blocking sequencing and shoulder/arm throwing mechanics not trained in lead climbing.	Open source
[106]	Athlete heterogeneity increases uncertainty in cross-over	Authors n/a	N/A	N/A	Used to widen the standard deviation: climbers vary from more power/strength-oriented to more endurance/technical-route-oriented, affecting how much throwing mechanics may transfer.	Open source
[107]	Explosive power and coordination transfer from climbing speed to throwing onsets	(General sports-science priors)	2026	N/A	Climbing speed involves fast force production and repeated high-quality movement, which can modestly help with learning javelin’s fast run-up-to-launch mechanics.	Open source
[108]	Run-up speed/elastic sequencing overlap (high-level)	(General sports-science priors)	2026	N/A	Both sports benefit from rhythm and coordination under time constraints; javelin uses runway speed and elastic sequencing (legs-to-shoulder transfer), which can be easier for someone already trained to coordinate explosive upward efforts.	Open source
[109]	Major technique mismatch: shoulder/arm spear mechanics and release timing	(General sports-science priors)	2026	N/A	Javelin success depends heavily on highly specific throwing mechanics (grip/trajectory, shoulder speed, arm speed, release timing and angles). Climbing speed does not teach these, limiting transfer.	Open source
[110]	Trait/proportion effects excluded reduces apparent correlation	(General sports-science priors)	2026	N/A	Real-world javelin outcomes strongly reflect build/leverage and athlete-specific traits; since the estimate must ignore those, remaining skill-only transfer is smaller, keeping the correlation low.	Open source
[111]	General throwing coordination and timing transfer (small)	General sports-skill transfer knowledge	n/a	Sports science domain knowledge	Cricket all-rounders repeatedly practice throwing motions (fielding) and arm timing (bowling), which can give a modest head start for learning a throw’s release intent, shoulder/arm coordination, and timing.	Open source
[112]	Javelin mechanics are highly specific (run-up + shoulder/arm sequencing)	General sports-skill transfer knowledge	n/a	Sports science domain knowledge	Javelin success depends on event-specific runway speed control, exact penultimate/transfer steps, elastic sequencing from lower body to shoulder, and a very particular overhead release trajectory—skills not directly trained by cricket all-rounding.	Open source
[113]	Cricket-to-track-field transfer via motor learning/pressure tolerance	General sports-skill transfer knowledge	n/a	Sports science domain knowledge	All-rounders often handle varied high-pressure execution and multi-skill practice, which supports faster adaptation to new technical events like javelin.	Open source
[114]	Constraint: exclude physique/leverage power confounds	General sports-skill transfer knowledge	n/a	Sports science domain knowledge	Javelin performance is strongly influenced by body and strength/power qualities; because the prompt asks to disregard body-proportional advantages, the remaining technique/learning-based predictive correlation is kept low.	Open source
[115]	Skill-overlap reasoning between cricket batting and javelin throwing mechanics	Assumed from sports-skill overlap heuristics (no single study cited)	2026	Internal sports science synthesis	Set a very small positive correlation because cricket batting suggests general coordination, timing, and balance, but javelin success is dominated by event-specific sprint-to-throw sequencing, shoulder/elbow mechanics, and whole-body rotational/linear leverage that cricket batting only weakly practices.	Open source
[116]	Transfer is higher when both sports are in the same projectile-throwing learned skill family	Shared throwing-skill family heuristic	N/A	Sports science knowledge (no single citation)	Cricket bowling and javelin both require producing an effective projectile flight via coordinated whole-body sequencing and a repeatable throwing/release action, creating a baseline positive carryover.	Open source
[117]	Bowling: repeatable power, rhythm, release timing	Cricket bowler skill components	N/A	Coaching/sport science summaries (no single citation)	Supports carryover through rhythm, repeated explosiveness, and learning to time release and control trajectory—useful for early javelin technique.	Open source
[118]	Javelin: runway-to-throw sequencing, shoulder/arm speed, elastic sequencing	Javelin skill components	N/A	Coaching/sport science summaries (no single citation)	Clarifies what actually drives javelin performance: runway speed-to-plant timing, shoulder/arm whip mechanics, and elastic sequencing—some of which overlap with bowling’s release-timing, but the approach pattern differs.	Open source
[119]	Different throwing geometries reduce transfer ceiling	Within-throwing biomechanical mismatch	N/A	Sports science knowledge (no single citation)	Cricket delivery is an overarm throw for a small ball with cricket-specific constraints and release styles; javelin is a runway + plant + rotational/elastic whip with a different kinetic chain. This limits how high the correlation can get.	Open source
[120]	High performers adapt faster to new technical sports	Motor learning/adaptation + training habits	N/A	General evidence base (no single citation)	A successful cricket bowler is often a skilled technical learner and can tolerate explosive training loads, adding some extra positive correlation beyond strict mechanics overlap.	Open source
[121]	Transfer priors: coordination, balance, and timing from reactive wicketkeeping	—	—	General sports science knowledge (no single source)	Wicketkeepers train dynamic balance, rapid visual processing, and timing of whole-body responses, which can slightly help learning the coordinated phases of javelin.	—
[122]	Mismatch: javelin determinants are shoulder/range mechanics and runway-to-throw sequencing	—	—	General coaching principles	Javelin success depends heavily on event-specific mechanics: approach/run-up, final stride, shoulder/elbow release mechanics, javelin path, and rotational/elastic sequencing—skills wicketkeeping does not directly train.	—
[123]	Partial overlap: sprint-to-react and elastic rise from low positions	—	—	General training principles	Wicketkeeping involves repeated crouch-to-ready and quick directional changes, which may weakly correlate with the ability to coordinate force quickly through a chain of movements used in javelin learning.	—
[124]	MTB cross-country → javelin transfer heuristic (general coordination/force under fatigue vs missing sprint/throw technique)	Authors n/a	2026	Internal reasoning	Estimated a small positive correlation because MTB builds general body control, proprioception, and the ability to coordinate power during sustained/variable efforts. Reduced because javelin success depends heavily on sprint run-up mechanics, shoulder/arm speed sequencing, throw-specific elastic/kinematic timing, and implement-specific technique largely absent in cycling.	Open source
[125]	Cycling road climber → athletics javelin transfer heuristic	No direct empirical meta-analysis used; Bayesian heuristic based on general leg strength/endurance transfer from cycling climber to javelin throwing mechanics.	2026	Internal sports science synthesis	Set a low positive correlation because cycling climbing builds aerobic power-to-weight, lower-body force application, and training discipline, which can help with javelin conditioning and learning; but javelin success depends on event-specific runway-to-throw sequencing, shoulder/arm speed, elastic/rotational chain coordination, and implement release mechanics not trained in road climbing.	—
[126]	Cross-sport transfer heuristics (cycling sprinter → javelin)	Authors n/a	2026	Internal reasoning	Cycling sprinter success suggests strong sprint speed into repeated surges and good high-force output, which can provide a modest base for javelin (approach speed, fast powerful mechanics, training capacity). But javelin success is largely technique-specific (run-up rhythm, transition to throw, shoulder/arm/torso sequencing, release parameters), creating a low but positive expected correlation.	—
[127]	Motor learning: far transfer from pedaling to throwing	Authors n/a	2026	Internal reasoning	The key skill in javelin is a coordinated throwing chain with specific joint sequencing and release; cycling’s primary pattern (pedal force on a fixed crank) is far from that, which caps transfer.	—
[128]	Technique dominance in projectile throwing events	Authors n/a	2026	Internal reasoning	Javelin performance is highly sensitive to runway mechanics and throw-specific kinematics (shoulder speed, torso rotation, elbow/forearm whipping, release angle/speed). Because these are trained in javelin, prior cycling predicts only a small fraction of variance.	—
[129]	Transfer heuristic: endurance cycling to speed-power throwing	Authors n/a	N/A	N/A	Set a small positive correlation based on general training transfer (leg/hip strength base, ability to produce power, and training discipline), while accounting for limited direct technique overlap.	—
[130]	Bayesian adjustment for low technique overlap in throws	Authors n/a	N/A	N/A	Started from a low prior for cycling-to-throwing because javelin requires event-specific runway mechanics and shoulder/arm sequencing not learned in time-trial cycling; then added a modest amount for general athleticism and repeated power output.	—
[131]	Cross-sport transfer depends on overlap of primary performance determinants	Specificity of transfer (skill determinants mismatch)	N/A	N/A	Endurance track cycling is primarily sustained power/pace and repeat-effort control; javelin is dominated by sprint-to-throw mechanics, shoulder/arm speed, elastic sequencing, and very specific timing. Limited shared core determinants keep correlation low.	Open source
[132]	General motor learning and coordination transfer across athletics	Motor skill transfer: coordination, balance, rhythm	N/A	N/A	Cycling enduro training can contribute to general body control, rhythm, and training discipline, offering a small boost to learning the javelin run-up and overall timing.	Open source
[133]	Work capacity enabling more high-quality technical reps	Practice volume tolerance and technical repetition	N/A	N/A	Endurance background can help athletes tolerate long technical sessions and maintain form across many javelin throw attempts, slightly increasing the chance of early improvement and therefore correlation.	Open source
[134]	Source synthesized from general transfer principles; no direct study located for this exact pairing	Internal sports-science reasoning (transfer of speed/force production; mismatch in implement-specific throwing technique)	N/A	N/A	Estimated modest positive carry-over from track sprint cycling to javelin based on shared runway-speed/explosive power production. Discounted because javelin’s key technique elements (javelin carry/approach, shoulder/elbow/forearm sequence, overhead release timing, plant/throwing stride mechanics, and grip/trajectory control) are not meaningfully trained in velodrome sprint cycling.	Open source
[135]	Epee success reflects timing, balance, coordination, and whole-body control	Fencing performance determinants (general)	N/A	General sports science / fencing coaching literature	Provides a rationale for small transfer via general coordination, body control, and sequencing under a timed, responsive context.	Open source
[136]	Javelin success is dominated by event-specific run-up mechanics, shoulder/arm speed, and throwing-trajectory technique	Javelin performance determinants (general)	N/A	General track & field sports science / throws coaching literature	Shows that the main determinants are highly specific (run-up speed-to-release sequencing, shoulder/arm mechanics, release/trajectory) which fencing does not teach directly.	Open source
[137]	Transfer is small when the primary motor pattern and toolset differ substantially	Skill transfer principles (general)	N/A	General motor learning/sport psychology research	Justifies keeping the correlation low: both sports require coordination, but javelin’s throw mechanics and runway-release timing are very different.	Open source
[138]	Transfer of training (sport skill / perceptual-motor; conceptual basis)	Transfer of training / motor learning transfer (conceptual)	n.d.	General sports science literature (no single source)	Used to justify small positive carryover through general abilities like coordination, timing, and learning under pressure.	Open source
[139]	Task specificity limits cross-sport prediction (conceptual)	Biomechanical specificity of throwing sequences (conceptual)	n.d.	General motor learning / biomechanics synthesis (no single source)	Used to justify keeping correlation low because javelin relies on very specific runway-to-throw sequencing, shoulder/arm mechanics, and force-directional control not trained in foil.	Open source
[140]	Estimated skill/mentality carry-over from fencing sabre to javelin	Unnamed (model-based synthesis)	2026	Internal sports-science reasoning	Used a low positive estimate based on shared general athletic traits from sabre (explosive starts, coordination, timing) while heavily discounting transfer because javelin success depends on highly specific throwing/shoulder mechanics, runway/approach sequencing, and javelin release technique.	Open source
[141]	Transfer of learning: technique-specific skills transfer less across dissimilar sports	Transfer of learning (generalized)	—	—	Supports keeping correlation very low when the future sport relies on a specific throwing technique not present in the past sport.	Open source
[142]	Javelin: runway speed, shoulder/arm action, and release timing	Javelin throw technique overview (generalized)	—	—	Used to identify key success drivers (run-up mechanics, shoulder speed, arm path, release timing) that don’t map well from hockey goalkeeping.	Open source
[143]	Field hockey goalkeeping: reaction/positioning and stick-based shot-stopping	Field hockey goalkeeping demands (generalized)	—	—	Used to estimate the only shared carry-over: general athletic coordination, balance, and learning under pressure—mostly not enough to predict javelin technique mastery.	Open source
[144]	Field hockey outfield → javelin: general athletic power vs event-specific throwing mechanics	Structured cross-sport transfer reasoning (not a single study)	2026	Internal sports science reasoning	Estimated small carry-over via shared attributes developed in hockey outfield (speed development, general lower/upper-body strength/power, coordination under movement, field-level awareness). Reduced strongly because javelin success is dominated by highly specific runway-to-throw sequencing, shoulder/elbow mechanics, implement grip/release physics, and timing that are not core to hockey outfield.	Open source
[145]	Invasion stick sport → specialized implement throwing event	General transfer-principle priors (far transfer; implement-specific skills)	2026	Internal sports science reasoning	Applied conservative prior because throwing-event technique has very different motor patterns and learning constraints than hockey’s stick/ball movement.	Open source
[146]	Evidence/synthesis that technical success transfers poorly across highly dissimilar sports; most association comes from general motor learning, coordination, and attention	General sports skill transfer (far-transfer) synthesis	~2010s-2020s	Peer-reviewed sports science (general synthesis)	Provides a small baseline for golf → javelin due to low technique overlap.	Open source
[147]	Cognitive/coordination elements (rhythm, timing, learning strategies, consistency under pressure) show some transfer even when the primary movement differs	Motor learning & perceptual-cognitive transfer (general)	~2000s-2020s	Perceptual-cognitive / motor learning research (general synthesis)	Justifies a slight positive correlation rather than exactly zero, because javelin rewards approach/run timing and executing a consistent complex sequence.	Open source
[148]	Transfer of complex coordination, trunk control, and movement sequencing across sports	General motor learning / coordination transfer literature (general)	various	Sports science / motor learning literature (general)	Provides a small baseline: artistic gymnastics supports complex body control, balance recovery, and efficient force sequencing that can help with the mechanics of a javelin approach and throwing action.	Open source
[149]	Acrobatic/plyometric contributions to throwing-relevant mechanics (trunk/shoulder coordination)	Throwing mechanics transfer plausibility (strength & conditioning / biomechanics practice knowledge)	various	Strength & conditioning / biomechanics practice knowledge	Adds modest uplift: gymnastics can improve shoulder/trunk coordination, body stiffness/bracing, and aerial/body positioning awareness useful for generating shoulder speed and maintaining form through the throw.	Open source
[150]	Javelin determinants are highly event-specific (run-up + grip/release + shoulder speed)	Event-specific mismatch: javelin technique specificity	various	Coaching/performance practice knowledge	Keeps correlation modest: javelin success depends strongly on runway timing, grip/launch technique, release parameters (angle/height/spin), and shoulder/elbow/wrist mechanics specific to the implement, which gymnastics only partially trains.	Open source
[151]	Gymnastics to throwing through body control and sequencing	General kinesthetic coordination transfer (conceptual)	N/A	Internal reasoning	Set a low baseline positive correlation because rhythmic gymnastics builds whole-body coordination, proprioception, and timing that can slightly help learning complex throwing sequences.	Open source
[152]	Trunk/shoulder sequencing contribution	Rotational/trunk control and posture (general)	N/A	Internal reasoning	Adjusted slightly upward: gymnastics can improve alignment and trunk control, which are relevant to transferring force through the body during javelin.	Open source
[153]	Why javelin performance is too specific for gymnastics-only prediction	Throwing specificity: release technique and shoulder/arm mechanics (limitation)	N/A	Internal reasoning	Adjusted downward: javelin success is driven by sprint-to-throw mechanics, exact run-up rhythm, shoulder/arm path, release timing/angle, and arm-speed/landing mechanics—skills not trained in rhythmic gymnastics.	Open source
[154]	Large variance from whether gymnasts also train sprint/throw/power	Athlete background variance (general)	N/A	Internal reasoning	Kept uncertainty moderate because some athletes will have additional sprint/throw work that increases true carryover, while others won’t.	Open source
[155]	Trampoline improves body control that can help throwing mechanics	General motor coordination/proprioception transfer (Bayesian heuristic)	2026	Internal heuristic synthesis	Baseline small positive correlation because trampoline develops aerial timing, posture control, and coordination—useful for learning javelin sequencing.	Open source
[156]	Javelin technique dominates: run-up timing, shoulder/arm speed, release angle	Throwing-event specificity (Bayesian heuristic)	2026	Internal heuristic synthesis	Capped the correlation: javelin success depends heavily on runway-to-delivery sequencing, grip/orienting the implement, shoulder mechanics, and release parameters not trained by trampoline.	Open source
[157]	Aerial elastic control vs linear/overhand throw mechanics	Differences in force production pattern (Bayesian heuristic)	2026	Internal heuristic synthesis	Adjusted slightly downward since trampoline is primarily vertical aerial control/landing, while javelin requires a fast, directional arm/shoulder action and throwing-specific ground-to-shoulder transfer.	Open source
[158]	Elite javelin performance requires specific strength and speed/power training	Strength/power specialization limits (Bayesian heuristic)	2026	Internal heuristic synthesis	Kept correlation low-to-modest because technique carryover won’t outweigh training-specific power/shoulder adaptations.	Open source
[159]	Skill-overlap heuristic: Handball (backcourt) → Athletics (javelin)	Internal sports-science rationale (Bayesian skill-overlap heuristic)	N/A	N/A	Estimated carry-over from general throwing coordination, timing of leg-to-trunk-to-arm sequencing, and upper-body/shoulder mechanics while strongly discounting javelin-specific runway-to-throw technique (throwing biomechanics, release angle/trajectory control, javelin grip/launch constraints, and event-specific footwork).	Open source
[160]	Transfer-principles (skill overlap vs shared fundamentals)	General sports transfer principles (weak technique overlap across sports)	N/A	Synthesis	Sets a low prior: goalkeeper technique (shot-reading, positioning, catching/stopping) only weakly overlaps with javelin technique (run-up rhythm, shoulder/arm mechanics, release/trajectory control).	Open source
[161]	Handball goalkeeper: reactive coordination and explosive whole-body movement	Handball goalkeeper performance demands (coordination, rapid decision-making, whole-body control)	N/A	Synthesis	Supports a small upward adjustment because top goalkeepers tend to have good balance, body control, timing, and explosiveness—helpful for learning javelin sequence and shoulder mechanics.	Open source
[162]	Javelin: runway/elastic sequencing and very specific shoulder-arm release	Javelin performance demands (event-specific run-up + shoulder/throw mechanics)	N/A	Synthesis	Reduces correlation: javelin depends heavily on a specific run-up pattern, shoulder/arm speed sequencing, and release/flight control that isn’t trained in goalkeeper work.	Open source
[163]	Skill-carryover mapping: handball pivot → athletics javelin	{Bayesian estimate based on general rotational/body-control and pressure-handling transfer from handball pivot to javelin; minimal event-specific overlap}	2026	Internal sports science reasoning	Used to estimate how pivot skills (balance under pressure, coordination, body control in constrained space, some understanding of throwing motion sequencing) may relate to javelin success (run-up, elastic sequencing, shoulder/arm speed, release timing), while discounting the lack of javelin-specific run-up/throwing technique.	Open source
[164]	Skill overlap heuristic: handball wing → athletics javelin	(Model estimate)	2026	Internal sports science reasoning	Used a Bayesian baseline for correlation based on shared general athletic skills (explosive run-up, coordinated approach-to-launch timing, elastic/reactive power) while strongly discounting the dominant javelin-specific technique (grip/throw phases, spear-angle release, shoulder/racket-arm kinetics, foot placement/landing pattern for run-up) that is not typically trained by handball wing duties.	Open source
[165]	Transfer depends on shared movement qualities and learning transfer, not just being athletic	General sports skill transfer principles	N/A	Sports science knowledge synthesis	Used as baseline: hockey defense and javelin share only broad qualities (coordination, force production, timing) so correlation should be small.	Open source
[166]	What defenseman work can carry to throwing	Ice hockey defenseman transferable elements: balance, contact tolerance, and transition timing	N/A	Coaching/sports science domain knowledge	Gave a slight positive adjustment because defensemen repeatedly practice dynamic balance under movement, reading cues, and generating force during transitions—helpful when learning javelin approach/sequence.	Open source
[167]	Technique specificity across different throws reduces predictability	Throwing specificity: implement-specific technique (general motor learning principle)	N/A	Sports science knowledge synthesis	Kept correlation low because javelin depends heavily on very specific runway approach, arm/shoulder speed mechanics, final throwing path, and release timing that hockey doesn’t teach.	Open source
[168]	Variability: some hockey players adapt better to overarm rotational speed-power tasks	Person-to-person variability in rotational/shoulder power	N/A	Coaching/sports science domain knowledge	Applied moderate std dev since athletes differ: some defensemen may have better shoulder rotational strength/speed or body mechanics that map more easily to javelin learning.	Open source
[169]	Ice hockey forward → javelin: small transfer via speed-power + elastic sequencing	(Expert judgment; Bayesian prior on shared speed-power and coordination transfer)	2026	Internal reasoning	Start near ~0.05 because hockey forwards build short-burst speed, whole-body power expression, and dynamic coordination, which are broadly relevant to javelin’s approach/runway speed and elastic sequencing.	Open source
[170]	Javelin technique discount: arm-implement pattern dominates over hockey skills	(Expert judgment; technique specificity discount)	2026	Internal reasoning	Reduce because javelin success heavily depends on sport-specific mechanics (run-up timing, block/plant, shoulder-hip sequencing, arm whip, release angle/trajectory) and implement-specific control that hockey forwards do not train directly.	Open source
[171]	Small general athletic transfer: balance + fast decision/reaction + approach coordination	N/A	N/A	Internal sports science reasoning (no single primary paper cited)	Adds a small positive carry-over because goalkeepers train quick footwork, balance under perturbation, and coordinated explosive movement—useful for learning javelin approach mechanics.	Open source
[172]	Large technique mismatch: goalie save mechanics vs javelin throwing kinematics	N/A	N/A	Internal synthesis	Subtracts because javelin success depends on very specific throwing mechanics (run-up/approach pattern, shoulder speed, elastic energy sequencing, release timing with the implement), which are not developed in goalie training. The overlap is mainly 'moving explosively while staying balanced,' not the decisive motor pattern.	Open source
[173]	Why mean stays low under 'technique-only' framing	N/A	N/A	Internal synthesis	Keeps the correlation near the low end: javelin performance is tightly tied to how efficiently strength and speed translate into throwing technique; even when body-type effects are excluded, the technique-performance relationship remains weakly linked to hockey goalie skill.	Open source
[174]	Transfer through force application + balance under resistance (combat → throwing)	General sports-science reasoning (no single study claimed)	—	—	Used to justify a modest positive baseline because judo success reflects explosive engagement, posture control under force, and coordinated whole-body power—conceptually relevant to javelin sequencing and stability.	Open source
[175]	Throwing-event specificity and technique differences	General knowledge: throwing events are highly technical and mediated by sprint mechanics, titleRelationship_of_throwing_to_approach_technique_and_measurement_uncertainty, publisherJSON_PLACEHOLDER_NOT_USED	—	—	Used to keep the mean from becoming large and to assign a fairly large std dev: javelin performance depends strongly on approach speed control, shoulder/arm “whip” sequencing, release mechanics, and exact runway-to-throw timing that judo does not train directly.	Open source
[176]	Skill overlap estimate: lacrosse attacker → javelin	Authors n/a	2026	Internal reasoning	Estimated transfer via general athletic qualities lacrosse attackers tend to build (explosive lower-body power, rotational coordination, timing/kinesthetic awareness, and throwing-like motion under moving/pressure conditions). Discounted heavily for javelin’s event-specific sequence, implement grip/release, shoulder speed control, runway-to-release mechanics, and technical “chain” (legs → hips → torso → shoulder/arm → tip).	—
[177]	Bayesian adjustment: shared power/coordination but major technique mismatch	Authors n/a	2026	Internal reasoning	Started from a low baseline for cross-event transfer between stick-and-ball offense and a highly technical linear throwing event; added a small upward adjustment for shared ‘speed-power’ and rotational/hip engagement; kept the final correlation low because lacrosse throwing mechanics are fundamentally different from javelin’s lever/release constraints.	—
[178]	Lacrosse defender -> javelin transfer prior	General cross-sport skill transfer prior (Bayesian estimate)	2026	Internal reasoning	Set a low-positive prior because lacrosse involves running and contact/coordination, but javelin success is driven by very specific throwing mechanics and approach-to-release sequencing.	Open source
[179]	What lacrosse defender success implies	Lacrosse defender skill components	2026	Coaching/technical consensus (general)	Used to identify transferable elements: spatial awareness, body control while moving at speed, confidence under contact/pressure, and learning new movement patterns.	Open source
[180]	Javelin success determinants	Javelin technical skill requirements	2026	Coaching/technical consensus (general)	Mapped dominant requirements: approach/runway speed consistency, elastic sequencing, shoulder/arm speed, release mechanics, and event-specific technique rather than general defense skills.	Open source
[181]	Lacrosse goalkeeper → athletics javelin transfer estimate	Internal sports-science reasoning (no external citations provided)	N/A	N/A	Estimated low carry-over based on general coordination, concentration under pressure, and learning speed, while heavily discounting event-specific mechanics because javelin requires runway-to-throw sequencing, shoulder/arm timing, and throwing release mechanics that lacrosse goalie play does not train.	Open source
[182]	Cross-domain skill/mentality carry-over estimate: lacrosse midfielder → athletics javelin	Internal sports-science reasoning (no direct single-study source used)	N/A	N/A	Estimated from general overlap (athletic coordination, balance under contact-like pressure, ability to accelerate and sequence movements) while discounting because javelin requires highly event-specific run-up mechanics, shoulder/elbow timing, blocking technique, and precise release parameters not trained for lacrosse midfield roles.	Open source
[183]	Bayesian skill-transfer priors: padel timing/coordination → general speed-power + arm/shoulder coordination; limited overlap with javelin-specific mechanics (run-up, spear/arm sequencing, release angle)	N/A	2026	Internal sports-science reasoning	No direct empirical correlation for Padel→Athletics (Javelin). Used a low-positive prior because padel can improve general coordination, reaction, and learning of fast movement sequences, but javelin depends heavily on event-specific run-up rhythm, shoulder/elbow mechanics, and release technique.	Open source
[184]	Transfer estimate: pickleball → athletics javelin (speed-power linear throw).	Internal sports-science reasoning / domain heuristics (no direct empirical dataset provided).	N/A	N/A	Estimated very low carry-over because pickleball mainly trains reactive ball tracking and short-range footwork, while javelin relies on event-specific sprint/run-up mechanics, elastic shoulder/arm sequencing, shoulder speed, and precise release mechanics.	Open source
[185]	Transfer reasoning (row rowing lightweight → javelin): general force-leverage & rhythm vs key non-overlap in runway mechanics and spear-release	Internal synthesis: lightweight rowing → javelin	2026	Internal synthesis	Used plausible overlap from lightweight rowing: whole-body coordination, leverage/force-transfer concepts, and maintaining technical consistency under fatigue. Down-weighted because javelin success depends on event-specific runway speed mechanics, exact elastic sequencing of shoulder/arm, spear angle/trajectory/release timing, and (for technique) a very particular shoulder and throwing-rotation pattern not trained directly by rowing.	—
[186]	Transfer depends on overlap in skills more than on general fitness	Non-specified (motor learning transfer reasoning)	n/a	Sports science consensus	Supports keeping correlation modest because rowing and javelin share general whole-body power but not the same throwing mechanics.	Open source
[187]	Whole-body power and kinetic-chain sequencing provide some common ground	Non-specified (biomechanics of leverage/power)	n/a	Biomechanics consensus	Adds a positive component because both sports reward coordinating multiple joints to express force efficiently.	Open source
[188]	Javelin success is highly technical: approach-run speed and shoulder-speed release mechanics	Non-specified (event specificity / technique)	n/a	Sports science consensus	Caps the correlation since rowing does not train sprint-approach mechanics, arm/shoulder whip mechanics, and release timing/orientation.	Open source
[189]	Some transferable general power/coordination from contact sport movement	Authors n/a	n/a	Sports science transfer synthesis (no single canonical citation)	Rugby halfback/midfield players typically develop whole-body coordination and ability to produce force with legs/trunk under fatigue, which can weakly support the general speed-power demands of javelin.	—
[190]	Javelin is dominated by very specific throwing biomechanics	Authors n/a	n/a	Coaching-position-demand synthesis (no single canonical citation)	Javelin success depends strongly on event-specific mechanics: approach/runway rhythm, blocking/impulse sequence, shoulder/elbow release timing, and throwing arm speed. These are not reliably trained by rugby halfback distribution/collision roles.	—
[191]	Throwing conversion variance is high for athletes from non-throwing backgrounds	Authors n/a	n/a	Bayesian conversion variance prior (no single canonical citation)	How quickly an athlete learns javelin technique (timing, shoulder mechanics, and safe/efficient release) varies a lot. This keeps the correlation low and increases the standard deviation.	—
[192]	Negative transfer is unlikely when body-type traits are excluded	Authors n/a	n/a	Model constraint based on technique-only assumption (no single canonical citation)	Rugby doesn’t teach javelin-like mechanics that would systematically ‘hurt’ javelin technique; at worst it adds little, so strongly negative correlations are unlikely.	—
[193]	Rugby loose forward → Athletics javelin: overlap assessment (general speed-power/coordination vs javelin-specific approach + throwing mechanics)	N/A (model-based estimation)	2026	Internal sports science reasoning (no single external source used)	Used to estimate carry-over by crediting rugby loose-forward success for general transferable elements that matter for throwing events: lower-body/hip power, the ability to generate force explosively, general coordination and timing under fatigue, and comfort with high-effort sprint-like bursts. Discounted javelin-specific technique requirements (run-up/approach rhythm, penultimate step, shoulder/arm speed mechanics, javelin grip/release, angle control/trajectory, and shoulder-rotation sequencing that is very different from rugby contact patterns).	Open source
[194]	General speed-power and athleticism from rugby outside back	—	N/A	Sports science synthesis	Outside backs often develop acceleration/top speed and general explosiveness, which can slightly help the approach/run-up and power production aspects of javelin.	Open source
[195]	Elasticity/coordination habits from evasive running	—	N/A	Sports science synthesis	Evasion and broken-play running can improve coordination and body control, giving a small head start for the timing/elastic sequencing in javelin.	Open source
[196]	Limited overlap in throwing-specific mechanics	—	N/A	Sports science synthesis	Javelin requires very specific arm/shoulder mechanics, grip/release, shoulder rotation/“shoulder speed,” and runway-to-throw sequencing that rugby does not train directly.	Open source
[197]	Movement-pattern mismatch (linear contact sport vs throwing arc mechanics)	—	N/A	Sports science synthesis	Rugby emphasizes sprint/evade/contact mechanics, whereas javelin is a timed run-up plus a coordinated throwing arc; the dominant patterns differ.	Open source
[198]	Balance under sprint/contact differs from javelin landing/bracing	—	N/A	Sports science synthesis	Javelin success depends on precise bracing and posture at delivery; rugby outside-back posture/control under tackle isn’t the same as throwing delivery technique.	Open source
[199]	Skill-transfer plausibility framework (contact/force set-piece → javelin runway+elastic/shoulder sequencing)	N/A (synthesis)	2026	Internal reasoning	Estimated carry-over from rugby union tight-five success (force production, leverage awareness, collision resilience, general power/strength habits) to javelin success (run-up speed, elastic/sequence mechanics, shoulder/arm acceleration, timing), discounting non-skill body-trait effects like lean build advantage.	Open source
[200]	General speed/power & body control carry-over	Reasoned synthesis (no single direct dataset assumed)	2026	Sports science reasoning	Used to justify a small positive transfer because alpine speed-event skiers typically develop strong lower-body power expression and high-grade balance/body control at speed, which can slightly support javelin skill acquisition (approach/run-up mechanics, elastic sequencing, staying coordinated under load).	Open source
[201]	Rotational/throwing technique mismatch	Reasoned synthesis (no single direct dataset assumed)	2026	Transfer-learning reasoning	Reduced correlation because javelin success depends heavily on very specific throwing mechanics (run-up rhythm, block-step timing, shoulder/arm path, release angle/velocity) that skis do not train directly.	Open source
[202]	Constraint-environment mismatch (sliding line-holding vs spear throw)	Reasoned synthesis (no single direct dataset assumed)	2026	Biomechanics reasoning	Further reduced because downhill/super-G is about edge control and gravity-driven line-holding on skis, whereas javelin is a standing/launch action with implement-specific release constraints and shoulder/arm mechanics.	Open source
[203]	Transfer between sports is driven by shared neuromotor abilities (balance, force control), but is diluted by sport-specific technique	General motor learning / coordination transfer	N/A	General sports science principles	Provides a small positive baseline because alpine skiing can improve body control under changing forces and general speed/leg coordination.	Open source
[204]	Javelin success depends on implement-specific run-up mechanics, arm/shoulder sequencing, and release parameters	Throwing biomechanics specificity	N/A	Biomechanics/coaching knowledge	Caps the correlation since skiing does not train javelin’s runway-to-throw elastic sequencing, shoulder/arm speed, grip/angle, or release execution.	Open source
[205]	Differences in dominant movement pattern (edge-driven turning/force redirection vs linear acceleration into a throw) reduce predictive transfer	Approach mechanics mismatch (turning vs linear build-up)	N/A	General biomechanics principles	Further reduces overestimation: alpine turning mechanics are not the same as the linear, shoulder-led javelin approach and throw rhythm.	Open source
[206]	Sports transfer-of-training heuristic (no specific single study cited)	Authors n/a	N/A	General sports science / motor learning knowledge	Estimated based on overlap: cross-country skiing contributes general leg conditioning, balance, and whole-body coordination, but javelin success depends heavily on sprint approach mechanics, shoulder/arm-speciﬁc throwing technique, elastic sequencing, and timing/release—only indirectly related to endurance skiing.	Open source
[207]	Cross-sport skill transfer heuristic (dynamic balance/coordination -> javelin run-up sequencing)	Sports science reasoning (transfer/overlap heuristic)	2026	Internal model	Estimated correlation by crediting shared general skills from snowboarding—dynamic balance, body control at speed, and coordination of transitions—that can slightly help with javelin run-up sequencing and body alignment. Event-specific javelin technique (arm action, release angle/timing, throwing rhythm, shoulder speed and timing) is treated as largely non-transferable from snowboarding.	—
[208]	Soccer central defender: body control, strength under contact, aerial/landing coordination	Unknown (expert synthesis)	2026	Internal reasoning / domain expert synthesis	Used to support a small general carry-over (balance, core stability, learning to generate/absorb force under pressure).	Open source
[209]	Javelin: runway speed + highly technical throwing/sequence mechanics dominate performance	Unknown (expert synthesis)	2026	Internal reasoning / domain expert synthesis	Used to cap correlation because key skills (approach timing, shoulder/arm sequence, elastic energy use, release mechanics) are largely not trained in central defending.	Open source
[210]	Low technical overlap across sports reduces transfer; some positive correlation remains from general athletic learning	Unknown (expert synthesis)	2026	Internal reasoning / domain expert synthesis	Used to justify a near-zero but slightly positive correlation rather than exactly 0.	Open source
[211]	Generated estimate from sports-skill overlap heuristics (no single empirical study used)	Authors n/a	2026	Internal reasoning	Used transfer reasoning from soccer central midfielder to athletics javelin. Included only general transferable elements like running rhythm, dynamic balance, and the ability to sequence force through the lower body and trunk. Strongly discounted because javelin success depends on highly specific throwing mechanics (run-up calibration, approach angle, cross-over/plant timing, shoulder/arm release timing, implement path/angle) and event-specific speed-power patterns not trained in soccer.	—
[212]	Non-specific athletic traits transfer modestly across sports; sport-specific technique drives most performance	General transfer-of-training (motor learning/athleticism)	N/A	General sports science consensus (motor learning/transfer)	Set a low baseline because soccer GK technique (shot-stopping/distribution) does not overlap strongly with javelin’s learned throwing mechanics.	Open source
[213]	Javelin performance depends heavily on event-specific run-up, arm/shoulder sequencing, and release parameters	Throwing-event technique specificity (general)	N/A	General coaching/biomechanics knowledge	Kept correlation low by emphasizing that the core learning content for javelin (run-up rhythm, shoulder-hip sequencing, spear release) is not developed in goalkeeper play.	Open source
[214]	Some carry-over for general coordination, reactive explosiveness, and learning under pressure into many speed-power events	Coordination and speed-power carry-over (general)	N/A	General sports performance research	Added a small positive component because goalkeepers build balance, timing, and explosive readiness, which can help adaptation when learning the javelin.	Open source
[215]	Soccer striker to javelin: small carry-over via sprint/elastic power, limited via throw mechanics	General sports-transfer reasoning (no single study)	2026	Internal model	Set a low positive correlation because soccer striker success can reflect speed, coordination, and the ability to perform explosively with good body timing. Discounted because javelin success depends heavily on javelin-specific technique (run-up spacing, cross-step, spear/arm-trajectory timing, shoulder/torso sequencing, release mechanics) that soccer striker play doesn’t train directly.	—
[216]	Run-up timing, balance, and whole-body sequencing transfer	General perceptual-motor skill principles	2026	Internal model	Supported a small uplift: javelin includes a runway acceleration and elastic sequencing that can be learned faster by athletes with strong sprint/coordination backgrounds, but the implement-specific shoulder/arm mechanics limit the strength of transfer.	—
[217]	Skill-overlap estimate: soccer winger → athletics javelin	N/A (inferred from sport/role overlap)	2026	AI sports-science synthesis	Estimated slight positive transfer from shared general athletic qualities (sprint/run-up speed, coordination, and some elastic power/hip-shoulder rotation exposure from turning/running). Discounted because javelin performance is dominated by highly specific throwing technique: approach/run-up mechanics, javelin carry, grip/arm path, shoulder/throwing-side coordination, elbow/shoulder speed, and release parameters. Soccer winger training doesn’t directly teach these technical elements.	Open source
[218]	Softball catcher → athletics javelin estimated carry-over	Heuristic sports-transfer model (general coordination/throwing familiarity; technique mismatch)	2026	Internal synthesis	Estimated from small shared elements (ball/throw awareness, hand-eye coordination, learning discipline) and strong mismatch in core event technique: javelin depends on approach/run mechanics, elastic sequencing, shoulder/arm whip pattern, and release timing/angle with an implement, which aren’t taught by catching/blocking pitches.	—
[219]	Baseline transfer from softball fielding to javelin	Unknown (modeled estimate)	2026	Internal sports-science prior	Softball field-player success overlaps mainly in general athletic coordination and basic throwing/hand-eye skills; javelin is event-specific speed-power + complex technique, so start low-positive.	—
[220]	Positive contributors: throwing mechanics fundamentals, shoulder coordination, timing and learning rate	Unknown (modeled estimate)	2026	Internal sports-science prior	Field players regularly throw to targets and learn to coordinate arm action with body movement, which can modestly aid acquiring javelin approach/arm-timing and release coordination.	—
[221]	Mismatch factor: javelin-specific runway, elastic sequencing, shoulder speed and release angle control	Unknown (modeled estimate)	2026	Internal sports-science prior	Javelin performance depends heavily on runway mechanics, spear carry/withdrawal, trunk/hip-to-shoulder elastic sequencing, shoulder speed, and precise release angle—skills not trained as such in softball fielding.	—
[222]	Cross-sport skill transfer estimate (softball pitcher → athletics javelin)	Internal sports-skill transfer prior (softball pitching → javelin throwing)	2026	Internal model	Used to set a plausible correlation range based on shared overhead/arm-acceleration and force-production concepts plus repeatable throwing mechanics. Adjusted downward because softball pitching is underhand with different release mechanics and no javelin-specific runway-to-release/shoulder-trajectory/joint-timing pattern.	Open source
[223]	General skill-transfer reasoning: squash agility/coordination under fatigue → small help for javelin’s approach/coordination; discounted due to javelin’s highly specific throwing/shoulder/arm-speed mechanics and release timing	Authors n/a	2026	Sports science knowledge (integrated heuristic; no single source cited)	Used to set a very small positive correlation because squash may correlate with general athletic coordination, quick footwork, and learning responsiveness. Heavily discounted because javelin performance depends on event-specific approach mechanics, shoulder/arm speed sequencing, grip and release, and elastic/rotational throwing technique not trained by squash.	—
[224]	Skill-transfer priors for surfing → athletics javelin (throws family)	None (inference-based estimate)	2026	Internal sports-science reasoning	Estimated based on small overlap in general body control, balance, and learning timing/motor coordination while conditions are unstable (surfboard recovery vs managing body positions during a throw). Strongly downweighted because javelin success is highly event-specific: approach/run-up rhythm, plant/transition mechanics, shoulder/arm path and timing, pelvis–torso–arm sequencing, and release parameters (angle/velocity/spin) that surfing does not directly train.	Open source
[225]	Technique-only performance transfer between dissimilar sports (aquatic backstroke vs javelin throwing)	General skill-transfer synthesis	N/A	General sports science synthesis	Used as a low prior: only general coordination/conditioning and training-mindset transfer, while the dominant technical elements differ strongly.	Open source
[226]	Javelin performance drivers vs backstroke middle-distance drivers	Throwing event determinants (general coaching/biomechanics summaries)	N/A	General coaching & biomechanics summaries	Used to estimate overlap: both can benefit from shoulder/upper-body strength-endurance and rhythm, but javelin depends heavily on runway speed/elastic sequencing and shoulder-arming mechanics not taught by backstroke.	Open source
[227]	Low overlap because swimming backstroke and javelin differ in learned movement patterns	Transfer vs event-specific technique (reasoned estimate)	N/A	N/A	Used to anchor the estimate near the baseline (small correlation) since swimming sprint/backstroke technique (starts, underwater, turns, rhythmic shoulder mechanics) is not the same as javelin technique (run-up, throw mechanics, shoulder/elbow sequence, release angles).	Open source
[228]	Small positive overlap via sprint speed + high-velocity arm/shoulder coordination	Shared speed-power and coordination demands (reasoned estimate)	N/A	N/A	Provided a modest uplift because both sprint backstroke and javelin involve short explosive efforts, running speed components, and high-tempo shoulder/upper-body coordination under fatigue—though the specific kinematics are different.	Open source
[229]	Swimming breaststroke → javelin transfer heuristic (excluding physique traits)	Internal sports-science heuristic (timing/coordination transfer, technique-only)	2026	N/A	Sets very low baseline because breaststroke technique (simultaneous cyclical arm-leg timing and water propulsion) and javelin technique (run-up speed, shoulder/elbow sequencing, javelin release geometry) differ strongly. Adds a small positive for general rhythm/body control and motor-learning ability.	Open source
[230]	Minor carry-over from repeatable technique under fatigue	Internal conditioning/neuromuscular learning assumption	2026	N/A	Assumes success in middle-distance breaststroke partly reflects maintaining technical timing under fatigue and learning complex coordination, which can marginally help the javelin learning curve.	Open source
[231]	Sports skill transfer heuristics (no single study)	Authors n/a	2026	AI model inference	Estimated carry-over from sprint breaststroke (short-burst leg power, timing, whole-body coordination) to javelin (run-up speed, elastic sequencing, shoulder/arm-javelin mechanics). Overlap is mainly general power/timing and athletic motor control; key javelin-specific skills (run-up-to-release sequencing, grip/throw mechanics, shoulder/arm angular velocity control) are not trained by breaststroke.	—
[232]	GeneratedSkill-Overlap Prior	Internal sports-science reasoning (generated skill-overlap prior)	2026	N/A	Estimated carry-over from butterfly middle-distance to javelin via transferable general skills (coordination, rhythm, maintaining effort under fatigue) and some potential strength/power carry-over; heavily reduced due to lack of javelin-specific approach/shoulder-arming/release mechanics.	Open source
[233]	Cross-sport transfer priors (swimming sprint butterfly → javelin)	Internal sports-science priors (no external dataset used)	2026	N/A	Set a small positive correlation because both activities reward coordinated high-intensity effort, upper-body power, rhythm/tempo, and training under fatigue—while sharing little event-specific technique.	Open source
[234]	Technique-specificity vs shared power/coordination	Motor learning & biomechanics heuristics	2026	N/A	Kept the estimate low: javelin depends heavily on runway mechanics, shoulder/arm speed sequencing, proper angle/release, and elastic shoulder/torso timing. Swimming butterfly contributes mainly general propulsion coordination and upper-body power, not javelin’s run-throw pattern or specific throwing mechanics.	Open source
[235]	Generated estimate based on broad technical/athletic learning transfer vs low overlap between freestyle-distance propulsion/pacing and javelin runway + throwing biomechanics	Authors n/a	2026	Internal sports-science reasoning	Used a very low positive correlation because both sports reflect general coordination, training discipline, and ability to learn technique, but freestyle-distance technique is largely unrelated to javelin-specific mechanics (run-up conversion, shoulder/arm speed, throwing sequence and release, and event-specific timing).	—
[236]	Technique/conditioning transfer from swimming freestyle middle-distance to javelin throwing	General sports-science/skill-transfer heuristics (no single study used)	2026	Internal reasoning	Used a low near-baseline correlation: both sports build general conditioning, but javelin depends on very specific run-up speed conversion and shoulder/throwing mechanics that aren’t trained in freestyle swimming.	Open source
[237]	Transferable capacity mapping: sprint freestyle swimming → javelin throwing	Conceptual sports-skill overlap model (no single study)	2026	Sports science assistant estimate	Estimated a small positive correlation based on shared capacities: explosive power, fast neuromuscular recruitment, and coordination of high-effort movement sequencing. Discounted event-specific mismatch: swimming/front-crawl propulsion and breathing rhythm vs javelin’s runway mechanics, shoulder–arm speed, release timing, and throwing-specific elastic/rotational patterns.	Open source
[238]	Internal synthesis: modest general coordination/elastic sequencing transfer from table tennis to javelin; low direct overlap in throwing mechanics	Authors n/a	2026	Internal synthesis	Used to set a small positive correlation: shared demands for coordination, timing, and rapid adjustments, but javelin success relies on runway speed, elastic/throwing sequence, shoulder/arm mechanics, and release technique that are largely unrelated to table-tennis racket/spin skills.	—
[239]	Taekwondo → javelin: general transfer via explosive whole-body power, timing, shoulder/upper-body coordination (internal reasoning)	Authors n/a	2026	Internal reasoning	Adds a small positive baseline because taekwondo builds rapid force production, dynamic balance, and timing of coordinated movement.	—
[240]	Throwing-technique specificity penalty: javelin release, shoulder mechanics, runway approach and spacing (internal reasoning)	Authors n/a	2026	Internal reasoning	Reduces carry-over because success in javelin depends heavily on javelin-specific biomechanics (shoulder speed, arm whip timing, release angle/velocity, approach rhythm and spacing) not trained by taekwondo.	—
[241]	Striking vs rotational/instrumented throwing mismatch (internal reasoning)	Authors n/a	2026	Internal reasoning	Further reduces correlation since taekwondo’s main skill is striking with the feet/legs, whereas javelin is a release event with complex arm/shoulder sequencing and projectile trajectory control.	—
[242]	Low direct overlap: tennis ball striking vs javelin throwing technique	Authors n/a	2026	Internal sports science heuristic	Set a low baseline because tennis success is driven by racket/ball timing and footwork, while javelin performance depends on very specific overarm throwing mechanics (run-up geometry, plant/transition, shoulder/arm speed, release angle/height, and elastic sequencing).	—
[243]	Small positive from general coordination, timing, and sprint/approach skills	Authors n/a	2026	Internal sports science heuristic	Add slightly because tennis players often have good coordination, balance, and the ability to time multi-step sequences—useful for learning the javelin approach and elastic sequencing quickly.	—
[244]	Dampening from different strength emphasis and throwing-specific conditioning	Authors n/a	2026	Internal sports science heuristic	Reduce a bit because tennis does not strongly train the shoulder-speed production, trunk/hip-shoulder rotation patterns, and throwing-accuracy/release mechanics that dominate javelin performance.	—
[245]	General sports-science reasoning (transfer based on technique/skills/mentality overlap only)	Authors n/a	2026	Internal model/heuristic	Estimated skill/mentality carry-over from triathlon endurance to javelin, excluding body-proportion effects (e.g., “leaner build”) and focusing on transferable elements like running-based approach mechanics, general coordination, and training discipline.	—
[246]	Cross-sport carryover heuristic (volleyball attacker → javelin)	Internal domain reasoning	2026	N/A	Estimated low positive correlation based on shared general attributes: explosive approach/run-up, coordinated trunk/shoulder sequencing, and learning to time high-force movements. Strongly discounted for javelin-specific skills: grip/implement mechanics, spear release technique, shoulder/elbow arm-swing pattern, and event-specific runway-to-release calibration that volleyball attackers only partially practice.	Open source
[247]	Volleyball libero → javelin: small transfer via coordination, balance, and run-up movement learning	Skill overlap mapping (libero defensive footwork/balance ↔ javelin run-up & sequencing)	2026	Sports science reasoning	Used to justify a small positive correlation because libero success can reflect good general coordination, quick footwork, and dynamic balance, which can modestly help with the javelin approach and body sequencing. But volleyball digging has limited direct similarity to javelin’s throwing mechanics.	—
[248]	Technique mismatch prior for overhead javelin throwing from volleyball defense	Bayesian prior for dissimilar technique transfer (court defense → overhead throwing)	2026	Sports science generalization	Kept the mean low and variance moderate: javelin performance is dominated by throwing-specific mechanics (grip/arm action, shoulder/elbow timing, angle/release, coordination with runway), which do not meaningfully arise from libero technique.	—
[249]	Skill/transfer heuristic: volleyball middle blocker → athletics javelin	Internal sports-skill overlap heuristic (no external dataset used)	2026	N/A	Estimated low carry-over based on general transferable ingredients volleyball builds (explosive timing, coordination, fast switching, whole-body power sequencing). Discounted because javelin performance is dominated by event-specific technique (approach/run-up mechanics, grip/holding, shoulder/arm whipping kinetics, blocking/plant, release angle/velocity) that volleyball blocking/jump training does not closely teach. Calibrated to a small-but-nonzero correlation with moderate uncertainty.	Open source
[250]	Expert-informed transfer estimate (volleyball setter → javelin)	Authors n/a	2026	Internal knowledge synthesis	Used to estimate carry-over from volleyball setter (timing, shoulder/arm coordination in overhead actions, elastic sequencing, spatial orientation) to javelin throwing (run-up speed, elastic/segment sequencing, shoulder speed, release mechanics), discounting that volleyball setting does not train javelin’s specific throwing biomechanics and implement-specific technique.	Open source
[251]	Transfer of learning: modest carry-over when only general coordination overlaps	General motor learning / athletic literacy	2026	Internal synthesis (no single paper cited)	Sets a low baseline because wrestling and javelin differ strongly in technique and event structure.	Open source
[252]	Javelin is highly technical and shoulder/arm-propelled with specific run-up mechanics	Biomechanics/event-specific specialization constraint	2026	Internal synthesis (no single paper cited)	Prevents the estimate from becoming too high: javelin depends on shoulder/arm speed, run-up-to-delivery sequencing, and throwing mechanics not trained in wrestling.	Open source
[253]	Combat sports improve body control under resistance, which can help learn force/rotation sequencing	Leverage/postural control and force production as partial overlap	2026	Internal synthesis (no single paper cited)	Justifies a small positive correlation above zero (better posture control and coordination when generating force), even though the throwing pattern is distinct.	Open source