I have been a runner most of my youth, but now I'm knocking on 40 and I have never really asked this question.
What tells the body that their are working out and increases your over all fitness, body building is a break down and repair but what about cardio?????
Never really thought about it.
Thanks Jason
What tells the body that their are working out and increases your over all fitness, body building is a break down and repair but what about cardio?????
Never really thought about it.
Thanks Jason
Last edited: