Insanity Cardio Recovery

Is heart recovery necessary in insanity? 3

I'm going crazy and every time I do cardio I think it's a waste of time. Is Cardio Recovery Really Necessary?

If this is not difficult for you, then this is not an exercise. To jump

Crazy Cardio Recovery

Yeah Al that sounds pretty crap to me, Looks like BT aint for me either.

Insanity Cardio Recovery