The hamstring muscles are responsible for your hip and knee movements in walking, squatting, bending your knees, and tilting your pelvis. Hamstring muscle injuries are the most common sports injury.

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 ...

A pulled hamstring is a muscle injury resulting from a strain or tear in one or more of the muscles at the back of the thigh. When it happens, there may be a sudden, severe pain and a popping or ...

The hamstring muscles are often overlooked, yet they play a pivotal role in exercise performance and mobility. Though you’ve probably seen fitness gurus sharing their intense hamstring workouts, you ...

Hamstring pain can be sharp or cause tightness in the back of your thigh. Your hamstring is a group of three muscles on the ...

Your hamstring is a group of three muscles along the back of your thigh. These muscles help you bend your knee and straighten and rotate your leg. If the muscle fibers or tendons that connect your ...