Training
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Understanding Stiffness: Movement vs Tendon
Two Different Meanings of Stiffness “Stiffness” is one of the most misunderstood words in performance training. Coaches throw it around
Ramsey Nijem
Latest
Testing
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Dynamic Rebound Index: A New Mechanical Measure of SSC Performance
The stretch–shortening cycle (SSC) underpins nearly every explosive action in sport. Sprinting, cutting, jumping, rebounding, and rapid deceleration all
Training
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Load Does Not Determine Hypertrophy
Research to date suggests that hypertrophy is similar across a wide range of loads when sets are taken close to
Training
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Effects of Resisted-Sprint Training on Sprint Performance and Mechanics
Sprint performance matters across sports, but most team sports sprints are short, and athletes often never reach true max velocity
Training
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Slow and Strain for Achilles Stiffness
Achilles tendinopathy is one of the most persistent and frustrating overuse injuries in sport. A key mechanism behind symptom relief
Testing
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Force Plates: Truths and Misconceptions
Force plates are one of the most powerful tools we have in performance and rehab. They’re also one of
Training
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Tortoise & The Hare: Why Early Stars Rarely Become World-Class Adults
Everyone knows the story of the tortoise and the hare. The hare explodes out of the gate, looks dominant early,
Recovery
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The Other-20™️: How Off-Sport Life Can Help or Hurt Performance
The Other-20™️ We obsess over the 3-4 hours athletes train each day, yet the other 20 hours throughout the day
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Less Data, More Action in High Performance Sport
Most performance departments are not limited in data. They are limited because data never turns into decisions (or "Actionable
Differential Learning for ACL Rehab: A Basketball Single-Case Study
ACL rehab still has a big problem: we can restore ROM, strength, and hop symmetry, then watch athletes break down
members
Heavy Strength Training Reduces Injuries For Elite Youth Soccer
Youth soccer is full of sprints, cuts, and jumps. Those actions drive performance and also load hamstrings, adductors, and hips,
Strong Enough Isn’t Fast Enough After ACL
Maladaptive functioning of the fast SSC can impair force production, energy utilization, and attenuation in the short timeframes required in