Your hamstrings might not be the most visible muscles, but they’re among the most important for overall fitness and injury prevention. These powerful muscles at the back of your thighs play a critical ...

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. For strong, powerful ...

Leg strengthening exercises after 55, with certified CPT guidance to rebuild muscle daily without beating up your joints.

At first she thought she was feeling routine soreness, something that Donna Grubb-Hewlett was pretty sure she could muscle through. But when she heard a pop in the back of her leg during a February ...