If you aren’t sure if you’re overtraining, you could measure your jump height each day. But there’s an easier way to pinpoint if your nervous system is overloaded: the hand dynamometer. Give it a squeeze once a day — that’s all it takes!
Use a Hand Dynamometer to Measure Your Recovery
by Unbreakable Athletics Academy | Jun 4, 2019 | Elite FTS, External Posts, https://www.elitefts.com/education/