The hamstring muscle is one of the most common fast running sports injury. Do you know that feeling when you’re sprinting for the end and next thing you feel that “ping or snapping feeling” in the back your thigh? That is probably a pulled hamstring muscle.
The way the hamstring muscle is normally injured is by what is termed an eccentric muscle contraction. If you don’t know what I mean by eccentric contraction don’t worry I explain it easily in the video below.