If you can’t touch your toes without seriously bending your knees, that could be a problem. In fact, it’s a clear sign your hamstrings are tight – and that means it’s time to stretch. But even if you ...

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 ...

If you can’t touch your toes without majorly bending your knees, that’s a sure sign you could benefit from doing hamstring ...

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 ...

Dana Santas, known as the “Mobility Maker,” is a certified strength and conditioning specialist and mind-body coach in professional sports. She is also the author of “Practical Solutions for Back Pain ...