Body-weight pushup and the variations you need to know: Push-ups are one of the most popular body weights exercise and for a good reason. Push-ups work almost every single muscle of the upper body, from the chest, back, triceps, shoulders and biceps to the entire core, quads. And if you're looking to work on these body parts and try out more challenging ways to perform push-up look no further: 1. Traditional push-ups 2. Wall push-ups 3. Handstand push-ups 4. Decline push-ups 5. Clap push-ups 6. Burpee push-ups 7. One-handed push-ups