injury prevention
Gymnastics Landing Force Asymmetry: A Stuck-Landing Test for Quantifying Left-Right Impact Imbalance
A clean stuck landing can still split force unevenly left to right. Get the dual-plate protocol, asymmetry index formula, and interpretation bands here.
Measuring the Nordic Hamstring Break-Point Angle: Protocol, Norms, and What It Predicts
Peak force on a NordBord misses who is actually at risk. Measure break-point angle instead: the exact knee angle where eccentric control fails.
Star Excursion Balance Test: Protocol and Normalizing Reach Distance to Limb Length
A taller athlete's raw SEBT reach looks better on paper, until you normalize to limb length. Full 8-direction protocol, the math, and injury-risk cutoffs.
Neck Strength and Concussion Risk: What Studies Show
Coaches ask if neck exercises stop concussions. A 6,704-athlete study found 5% lower odds per pound of strength - here's what it does and doesn't prove.
Tibialis Raise: Shin Strength for Jumping, Sprinting
Tibialis raise benefits: stronger shins, better jump stiffness, faster sprint mechanics, and lower shin splint risk. Full protocol and progressions.
Eccentric Rate of Force Development: Training Methods and Measurement
Master eccentric RFD training to enhance braking power, SSC efficiency, and injury resilience. Learn the best exercises, protocols.
Why Rotational Power Asymmetry Matters: Injury Risk and Performance in Throwing and Striking Sports
A 15% left-right power gap triples injury risk in golf, baseball, and tennis. See the longitudinal IMU thresholds and protocols behind that number.
How to Track Weekly Training Load: Session RPE × Duration Science
A 50% spike above your 4-week average load raises injury risk 2-4x, per a cohort study of elite bowlers. Learn the RPE x duration and ACWR math.
How to Perform the Y-Balance Test: Dynamic Balance Screening
A single asymmetry score doesn't reveal injury risk alone. Y-Balance Test protocol: asymmetry thresholds, sport norms, and injury-risk scoring rules.
Nordic Curl: Gold Standard for Hamstring Injury Prevention
Clinical evidence, exact technique, and full-season programming for the Nordic curl — the single most effective exercise for reducing hamstring strain.
Band Pull-Apart: Key Exercise for Shoulder Health
Strengthen rear delts, rhomboids, and scapular retractors with band pull-aparts. Technique, loading, and weekly programming to bulletproof your shoulders.
Acute:Chronic Workload Ratio Review: Injury Prediction Today
The ACWR's sweet-spot claim has real mathematical flaws. A critical look at coupled versus EWMA methods and using workload ratios responsibly.