Nick Selby
Well-known member
http://www.amazon.com/Thera-Band-Flexbar-Hand-Exerciser-Tennis/dp/B00CJOVS7E
These are supposed to be good and I can understand the theory behind it..... Eccentric loading is what it is all about....
These are supposed to be good and I can understand the theory behind it..... Eccentric loading is what it is all about....