I ian New Member Jun 2, 2005 #1 I've just started doing some work on punch bags again. I want to know what effects this will have on my physique? I do it on my cardio days, it's very high intensity (not like my normal fat burning excersises). Will I lose/gain muscle/fat?
I've just started doing some work on punch bags again. I want to know what effects this will have on my physique? I do it on my cardio days, it's very high intensity (not like my normal fat burning excersises). Will I lose/gain muscle/fat?