Originally Posted by chips93
im just looking to put on muscle mass, how long should a workout be?
i talked to a guy at a supplement store and he said 45mins to an hour.
he emphasised not to be working out much longer than that.
is it really that big of a deal?
Heard about this before. Its gotta do with the fact that if you work out more than that duration of time, your metabolism will continue to rise and adversely affect your muscle gains i think. Personally, i try not to work out more for more than an hour. But this duration varies with intensity and the person working out himself