Push-ups are a mainstay of upper-body workouts. You'll find them in most workout plans but, despite what some personal trainers suggest, they are actually not the easiest exercise to do. A push-up ...

If you are into split routines that break down the body into pushing muscles (chest, shoulders, triceps), pulling muscles (back, biceps, grip), leg muscles (hips, lower back, legs) and the core ...

You know that friend who seems to eat pizza and stay skinny while you gain weight just looking at carbs? The same thing happens with exercise. I have a buddy who can knock out 200 push-ups and burn ...