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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Glute bridges target the hamstrings and glutes. If you're walking, standing up from the couch or bending down to pick something up ...

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 ...

Q: How can I tell if I ruptured my hamstring or just severely strained it? A: The hamstring muscle is actually three muscles in the back of the thigh, the biceps femoris (two associated muscles, so ...