Of any calisthenics exercise, pull-ups are the most difficult to perform and see improvements without significant time and effort. Your pulling muscles (biceps, latissimus dorsi, rear deltoids, ...

Add Yahoo as a preferred source to see more of our stories on Google. Whether you're gripping a pull-up bar, hoisting heavy dumbbells, or grinding through a high-rep kettlebell session, the right ...

What it's supposed to do: Train lats, upper back, and biceps. What it actually does: Unless you have very flexible shoulders, it's difficult to do correctly, so it can cause pinching in the shoulder ...