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Vastus Intermedius

- See Quads

Origin: Proximal 2/3 of the anterolateral surface of the femur, lower 1/2 of the linea aspera, upper part of the lateral supracondylar line; 
        Lateral intermuscular septum;
Insertion: By tendons of the rectus and vastus muscles into the superior border of the patella and by the ligamentum patella into the
           tibial tuberosity;
Action: Extends the leg at the knee;
Nerve Supply: FemoralL3 >  L2   L4 ; (See Innervation )
Synergists:  Rectus Femoris,  Vastus MedialisVastus Lateralis;
Arterial supply: descending br. of lat fem circ

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