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 number of Premier League players – including Arsenal’s Kai Havertz and Chelsea’s Nicolas Jackson (above) – have suffered hamstring injuries in recent weeks. With the help of Matt Konopinski, ...

The squat is the gold standard leg exercise either done with weights, no weights, tubing, and/or weighted balls. The benefits are many—from sports skills improvements to maximize caloric expenditure.

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 ...

A hamstring tear injury is a rip in the hamstring muscles. It happens when the hamstrings are overstretched or overloaded with too much weight. Depending on the injury, the hamstring can tear ...