Compared to a chin-up, pull-ups better engage the lower trapezius muscles in your back, between your shoulder blades. The overhand grip of the pull-up improves posterior chain activation, says Sobuta.

The chin-up works many different muscles in your upper body—namely, your biceps, delts, and lats, Traugutt says. That means if you can’t do a chin-up, you probably don’t (yet) have the arm ...

Like pull-ups, chin-ups can also improve your posture by strengthening the muscles in your back and shoulders. That’ll make it easier to hold your shoulders back and down, Mentus says.

It's hard to knock out a 5k or some barbell squats on your way out the door—but the only thing you need for a set of chin-ups is a bar.

In it, the Friends alum can be seen walking up to a chin-up bar and doing one, unassisted, like a total boss. The 60-year-old slowly pulled her body upward, showing off her serious bicep and ...