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 ...

Hinge at hips by sending glutes straight back, keeping back flat and core engaged. Kettlebell should tap between feet. Stand ...

Although the hamstrings may not be as large as your quads, or as aesthetically pleasing as the glutes, it’s a muscle you cannot neglect if you want stronger pins, or to improve athletic performance.

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 ...

Unlock greater mobility and Improve Hamstring Flexibility with this Runner's Lunge Exercise – perfect for anyone beginning ...

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 ...

Done your knee in running or in a match? Pulled something while playing with the kids? These tips should get you on the road to recovery ...