But there’s one exercise that deserves a place on that list: the pull-up. Despite the fact that the ... These large, triangle-shaped muscles on either side of your back just under your shoulders ...

Want to test your upper-body strength? Here's how many pull-ups you should be able to do—and the best exercises to improve.

Maybe you rep them out for fun, you’re working toward them, or just managed your first pull-up — whatever your ability with this coveted bodyweight strength exercise, this one hack will help ...