It's easy to assume pull-ups are all about the arms—but the real engines behind a strong, controlled rep are the back and shoulders. In fact, if you’ve ever tried (and struggled) to get your chin over ...

Just like your last relationship, the shoulder is super complex. The shoulder capsule, a tough fibrous sleeve, helps to hold the ball-and-socket joint together. An inner layer, called the synovium, ...

If you want to work the upper body, but are unsure which exercises to do, a back and bicep themed workout is always a great stand by. These muscles are often targeted within one routine because they ...

Your posture can suffer if you spend a lot of time hunched in front of a computer or sitting on a couch or chair. But your workout can improve your posture — as long as you're focusing on the right ...

Fun fact: The shoulder joint is the most flexible joint in the body because of its ball-and-socket structure, which allows for a wide range of movements. Shoulder mobility exercises and stretches can ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Your shoulders are an ...

Jenessa Connor is a writer with experience writing health, fitness, and nutrition topics for publications, websites, companies, and experts in wellness spaces. It's important to spend time ...

A CSCS trainer shares 5 dumbbell moves that rebuild shoulder strength after 55, covering pressing, stability, and control.