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. Are your hamstrings ...

You may think having flexible hamstrings is a badge of honor for outdoor athletes. And while you’re not exactly wrong, not everyone needs to have Cirque du Soleil-level stretching abilities to succeed ...

THE HAMSTRINGS, ONE of the major muscle groups in the legs, are invaluable for the types of movements performed by high-level athletes and everyday exercisers alike. Your hamstrings are essential for ...

If your hamstrings feel tighter than a pair of jeans fresh from the dryer, you’re not alone. Whether you spend your days sitting at a desk, running long miles, or crushing heavy squats, tight ...