Source:http://linkedlifedata.com/resource/umls/id/C0584894
NCI: One of the four quadriceps muscles, located in the middle of the front of the thigh. Its actions involve the extension of the knee joint and flexion of the hip.,NCI: One of the four quadriceps muscles, located in the middle of the front of the thigh. Its actions involve the extension of the knee joint and flexion of the hip. (NCI)