Origin: Antero/ lateral femur
Insertion: Patella and Tibial tuberosity via the Patellar ligament
Artery: Femoral artery
Nerve: Femoral nerve
Action: Extends knee
The Vastus intermedius (Crureus) arises from the front and lateral surfaces of the body of the femur in its upper two-thirds and from the lower part of the lateral intermuscular septum. Its fibers end in a superficial aponeurosis, which forms the deep part of the Quadriceps femoris tendon.