25 things you probably didn't know about your body......
25 things you probably didn't know about your body......
I knew all but 3 11 15 (WTF? Who figured this out? And it is ...subjective, at best. They probably had the subjects report perceived exercise time.) and 25.
Of course, I didn't know the exact numbers on most of those...but I had ballparks.
Those types of things are found, monthly, in Muscular Development. 313