Each leg equals one rep. Be careful not to slouch – keeping a strong upper body as just as important as what’s going on below the waist here. 4. Butterfly Sit-up x 100, 100 ...

JT, dedicated to Jeff Taylor who tragically lost his life in Afghanistan in 2005, was CrossFit’s very first Hero WOD. Customarily, CrossFit workouts are designed to work your entire body as a whole.

That said, bodyweight upper-body exercises are functional and can still pack a punch, as I learned when recently completing the Chelsea CrossFit WOD (150 pull-ups, 300 push-ups and 450 squats).

If you’re looking for the best bodyweight exercise to build muscle in your upper body, then push-ups are a top option, and they’re suitable for all fitness levels.

An upper/lower body split is fairly self-explanatory, as it works the muscles in the upper body one day and then focuses on the legs and lower body muscle groups the next.

That said, bodyweight upper-body exercises are functional and can still pack a punch, as I learned when recently completing the Chelsea CrossFit WOD (150 pull-ups, 300 push-ups and 450 squats).