Vastus Medialis - 3D Animation

Video Description

Origin:
Inferior portion of intertrochanteric line, spiral line, medial lip of linea aspera, superior part of medial supracondylar ridge of femur, and medial intermuscular septum.

Insertion:
Medial base and border of patella; also forms the medial patellar retinaculum and medial side of quadriceps femoris tendon.

Action:
Extends the knee.

Innervation:
Muscular branches of femoral nerve (L2, L3, L4).

Arterial Supply:
Femoral artery, profunda femoris artery, and superior medial genicular branch of popliteal artery.