Muscle Atlas

Vastus Medialis

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

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