vastus medialis muscle


vas·tus me·di·a·lis mus·cle

(vas'tŭs mē-dē-ā'lis mŭs'ĕl) Origin, medial lip of linea aspera; insertion, tibial tuberosity by way of common tendon of quadriceps femoris and ligamentum patellae; action, extends leg; nerve supply, femoral.
Synonym(s): medial vastus muscle.

vastus medialis muscle

Thigh muscle. Origin: medial side of femur Insertion: common tendon of quadratus muscles, tibial tuberosity via patellar ligament. Nerve: femoral (L2-L4). Action: extends leg. See also: muscle