How to train better core control to take stress off of the hamstrings
How heavy does the sand bag have to be? Like 10% body weight?
10-25# depending on the ability of the person.
Пікірлер: 2
How heavy does the sand bag have to be? Like 10% body weight?
@DanSwinscoe
5 ай бұрын
10-25# depending on the ability of the person.