Reactive Strength Index (RSI): Measures how quickly you can absorb force and reapply it with a short ground-contact time (elastic, spring-like responsiveness, e.g., pogo hops or drop jumps)
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Developing acceleration is the single most critical factor for success in field, court, and team sports. While top-end velocity is highly valued, athletes in open-skill sports like soccer, basketball, football, and rugby rarely reach their absolute maximum speed. PLAYFAST
IU National Champion at IU. SS Devan Boykin. (Was in Steelers camp this season)
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Don’t lose all the off season power/speed improvements you made when you need it most. 1 - 2 times a week is sufficient.
