vastus lateralis

vastus lat·er·a·lis

noun \-ˌlat-ər-ˈā-ləs, -ˈal-əs\

Definition of VASTUS LATERALIS

: the division of the quadriceps muscle that covers the outer anterior aspect of the femur, arises chiefly from the femur, and inserts into the outer border of the patella by a flat tendon which blends with that of the other divisions of the muscle and sends an expansion to the capsule of the knee—called also vastus externus

Illustration of VASTUS LATERALIS