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 ...

The hamstrings are three muscles located on the back of your thigh, and they’re responsible for bending your knee and ...

Trainers share their favorite ways to loosen up.

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 ...

Oluseun Olufade, MD, is an Orthopedic Surgeon and Assistant Professor of Orthopedics at the Emory School of Medicine. Hamstring curls and Romanian deadlifts both strengthen the hamstrings, but they ...

A certified trainer shares 5 chair exercises that restore leg strength after 60. No squats or heavy lifting needed.

Add Yahoo as a preferred source to see more of our stories on Google. 'How f***ing painful': Jon Jones erupts over Dana White's UFC White House claims in stream of deleted tweets ...

Hamstring curls and Romanian deadlifts both strengthen the hamstrings, but they challenge the muscles in different ways. Beginners may benefit more from hamstring curls, while Romanian deadlifts are ...