正在加载视频...
视频加载失败
What is the reactive strength index? How does it impact athletic performance? Essentially, it is a ratio of contact time relative to concentric output (height) Build it via these 5 avenues: 1. Extensive base 2. Maximal landings 3. Depth & drop jumps 4. Repeat contacts 5. Concentric power focus
28,543 次观看 • 2 年前 •via X (Twitter)
3 条评论

Speed & Hurdle Coach2 年前
@RolfOhman1 is there something that give a bigger picture then RSI?

Smolov2 年前
Great post great info

jon mckinnie2 年前
@JonJeffriess
