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image: Vastus Lateralis
Vastus Lateralis

Vastus Lateralis

 Articulations :

 Action :

  • Extends the knee.

Origin :

  • Superior portion of intertrochanteric line, anterior and inferior borders of greater trochanter, superior portion of lateral lip of linea aspera and lateral portion of gluteal tuberosity of femur.

Insertion :

  • Lateral base and border of patella; also forms the lateral patellar retinaculum and lateral side of quadriceps femoris tendon.

Innervation :

  • Muscular branches of femoral nerve.

Arterial Supply :

  • Lateral circumflex femoral artery.

Depth :

  • Superficial
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