Squat Jump

Owen Walker

Squat Jump The squat jump (SJ) is a simple, practical, valid, and very reliable measure of lower-body power. Contents of Article Summary What is the Squat Jump (SJ)? Application How to perform the … Read more

Reactive Strength Index

Owen Walker

Reactive Strength Index (RSI) This article provides everything you need to know about the Reactive Strength Index, including how you can test it. Contents of Article Summary What is the Reactive Strength Index … Read more

Countermovement Jump (CMJ)

Owen Walker

Countermovement Jump (CMJ) The countermovement jump (CMJ) is a simple, practical, valid, and very reliable measure of lower-body power. Contents of Article Summary What is the Countermovement Jump (CMJ)? Application Procedure (How to … Read more

Incremental DJ-RSI test

Owen Walker

Incremental DJ-RSI test The DJ-RSI test was developed to measure how an athlete copes and performs during plyometric activities by measuring the muscle-tendon stress and their reactive jump capacity. Contents of Article Summary … Read more

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