Knowing what to do with your hands can help you to get even stronger.

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. The humble wrist curl ...

They take mobility, balance, technique, and strength—but you can get better at all four with practice.

Achieving strong, defined arms or legs is about more than just lifting weights. A ton goes into growing your muscles—and that includes proper nutrition, recovery, and working out in a specific way.