Strength is not a main key. Speed and speed endurance are most valuable physical values for tennis player. To develop strength brain has to use slow muscle fibers which would significantly slow down any tennis player and that is not what we want.
DjuraMutavi55 2 months ago
Strength is not a main key. Speed and speed endurance are most valuable physical values for tennis player. To develop strength brain has to use slow muscle fibers which would significantly slow down any tennis player and that is not what we want.
DjuraMutavi55 2 months ago