Add Yahoo as a preferred source to see more of our stories on Google. A classic among the reps, pull-ups are great in that they train a surprisingly large part of the body. All you need is a bar and ...

Being able to do a pull-up is a common fitness goal but which muscles do pull-ups work and why are they so difficult? When you purchase through links on our site, we may earn an affiliate commission.

Pull-ups are one of the most effective upper-body strengthening exercises you can do, but they arent without risk. Improper form, muscle overuse, or muscle weakness can all lead to discomfort, pain, ...

Last week, Brigette Williams talked through the basics of building strength to do a pull-up. She says once you have mastered the TRX and assisted pull-up, you can move to a bar or pull-up machine.