Hamstring injuries are common in athletes who participate in waterskiing and sports activities such as track, soccer, and basketball that involve running. The three hamstring muscles namely semitendinosus, semimembranosus and biceps femoris are at the back of the thigh and helps you bend (flex) your knee and extend your leg.
Hip abductors are a major group of muscles found in the buttocks. They include the gluteus maximus, gluteus medius, gluteus minimus, and tensor fascia lata muscles.