You may be aware of a sudden pain in the back of your thigh while you are exercising, or you may develop a very slight pain that gradually gets worse the more you exercise.
Hamstring injuries can be confused with referred pain from a back problem. However, hamstring injuries only hurt when you are using the [...]
Sudden movement or over-exertion during sporting activity may injure your hamstring muscles when they are cold, tight, tired, or weakened by previous strains.
Change to working angle of the muscles may also cause injury; for example, running in new shoes or over a new terrain.
Symptoms
1: Painful muscles at the back of the thigh when using hip [...]
Hamstring injury occurs when the muscles at the back of the thigh have been damaged by being forced to stretch too much or too quickly. This can be acute injury, such as sudden tearing during a sprint race; or it can be more gradual muscle strain through long term over-use.
There are three hamstring muscles that [...]