Strength and Conditioning Knowledge Center

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Reactive Strength Index and chart – RSI

An Introduction to Reactive Strength Index The Reactive Strength Index (RSI) was originally developed as part of the Strength Qualities Assessment Test (SQAT) used at the Australian Institute of Sport to evaluate and classify different athletes (mainly sprinters and jumpers) based on their strength qualities 1. The aforementioned testing battery included different strength-oriented assessments including: …