What is a hamstring injury? A hamstring injury occurs when a person strains or pulls one of the hamstring muscles – a group of 3 muscles which run along the back of the thigh . . .
Do you want to know what causes fatigue? Fatigue is a term that refers to an overall feeling of tiredness and lack of energy. It is not the same as simply feeling sleepy or drowsy. Being sleepy is one symptom of fatigue, but it is not the same thing.
Types of Fatigue
There . . .