Irv Rubenstein holds a doctorate in exercise science and has run a personal fitness training studio for 35 years in Nashville ...
The American College of Sports Medicine is the best known in the ... And you should ask about academic training.” He also issued a caveat. “If a person is getting all their information off ...
Irv Rubenstein holds a doctorate in exercise science and has run a personal fitness training studio for 35 years in Nashville, Tennessee. Obviously, he speaks positively about the benefits of using a ...