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 ...

Having a good range of motion is essential for athletics as well as everyday life. Credit...Adria Malcolm for The New York Times Supported by By Hilary Achauer Bending down to put on your socks.

THE STATE OF your hamstrings determines more about your body’s condition than you might expect. Tightness in your hamstrings can cause back pain, hip mobility, and even bad posture. “Tight hamstrings ...

Natalia Perez-Segnini is a NASM-certified personal trainer, a yoga instructor, a breathwork practitioner and a trauma-informed specialist. As a head coach at Tone House—a premier athletic-based ...

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 ...