hamstringsnél
The term "hamstringsnél" appears to be a misspelling or a non-standard term. It is likely a misunderstanding or a variation of the English word "hamstring." Hamstrings are a group of three muscles located at the back of the thigh. These muscles originate at the ischial tuberosity (sit bone) and insert below the knee. The primary functions of the hamstrings are to extend the hip and flex the knee, meaning they help in straightening the leg at the hip and bending the knee.
Injuries to the hamstrings, commonly referred to as hamstring strains or pulls, are frequent in athletes, particularly