The semitendinosus is one of the four muscles in the hamstring muscle group. The others are the semimembranosus and the biceps femoris. The semitendinosus is the longest of these muscles, and it runs ...

If you have tight hamstrings, stretching isn’t always the answer, even if it is most people’s go-to for feeling better. That’s because elongating the muscle isn’t a surefire way to improve your ...

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 ...

Are you looking to train your hamstrings but need a leg curl machine alternative? While leg curl machines are generally considered one of the best ways to isolate the hamstrings, they aren’t ...

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 ...