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image: Vastus Intermedius
Vastus Intermedius

Vastus Intermedius

 Articulations :

 Action :

  • Extends the knee.

Origin :

  • Superior 2/3 of anterior and lateral surfaces of femur; also from lateral intermuscular septum of thigh.

Insertion :

  • Lateral border of patella; also forms the deep portion of the quadriceps tendon.

Innervation :

  • Muscular branches of femoral nerve.

Arterial Supply :

  • Lateral circumflex femoral artery.

Depth :

  • Superficial
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