Archive for the ‘Beyonce’ Category

FREE 16 Minute Leg and Glute Workout - VIDEOS INSIDE

Sunday, August 30th, 2009

Though we're taught to think in terms of repetition - you have to do 8-12 repetitions for 3-4 sets in order to build muscle - your body doesn't actually know the difference between numbers of repetitions. It only knows more tension or less tension: a principle called "time under tension" ...