The vastus lateralis • The Apex Rush Muscle vastus intermedius A quadriceps muscle aggregate on a thigh moves two joints - the hip joint and the knee joint - particularly to flex (twist) the hip and to amplify (rectify) the knee. The hamstring, which likewise is utilized to allude to ligaments, contains four muscles on the back of the left or right thigh, including: • The semitendinosus •.
http://www.usadrugguide.com/apex-rush-muscle/