The arm extends from the shoulder to the wrist, including the upper arm and forearm. Different muscles may work together in intricate ways to help the arm, wrists, fingers, and hands function. Knowing ...

Building muscle in your arms requires focusing on the biceps in the front and the triceps in the back. They’re opposite functioning muscle groups, so they require different strength training exercises ...

The majority of us know what bicep curls are and have done them at some point in our fitness journey. If you’ve ever grabbed a pair of dumbbells and been told to “just do curls,” you might’ve never ...

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. Curls are the classic ...

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 ...