The reactive strength index (RSI) is a ratio of how high an athlete jumps after landing, versus how long they were in contact with the ground.
The Reactive Strength Index (RSI)
Sport science content for coaches & athletes – Sport Science Insider
Sport science content for coaches & athletes – Sport Science Insider
Reactive Strength: How It's Calculated & Why That Matters – Robin
Reactive Strength Index (RSI) in sports - GymAware
Reactive Strength Index as a Key Performance Indicator in
Reactive Strength Index
PDF) A Comparison of Reactive Strength Index-Modified Between Six
Reactive Strength Index and chart - RSI - Vitruve
Reactive Strength Index
Sport science content for coaches & athletes – Sport Science Insider