Unfortunately, hamstring strains are both common and painful. They strike athletes of all sorts – including runners, skaters, and football, soccer, and basketball players. But what is a hamstring? It ...

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.

Symptoms of tight hamstrings can include stiffness and limited mobility. People may also notice cramping, pain, swelling, and bruising. They are usually the result of exercise or other intense forms ...