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 ...

Don’t let the muscles in the front of your legs steal the spotlight. If you’re looking to work some muscles in your all-important posterior chain, consider trying some stretchy hamstring resistance ...

The hamstrings are an important 2-joint muscle that acts at both the hip and knee during running. Since they are a powerful hip extensor, they play a major role in propelling the body forward with ...

If you do workouts that engage your lower body, odds are your hamstrings are going to feel tight and sore at some point. To relieve that annoying (and borderline painful!) tension, you should stretch ...