Revision 2 for 'Vastus lateralis muscle'

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Vastus lateralis muscle

The vastus lateralis is the largest of the quadriceps muscles. The others are the vastus medialis, the vastus intermedius, and the rectus femoris.

  • Origin:
    • Femur
      • Lateral part of intertrochanteric line
      • Margin of greater trochanter
      • Lateral margin of gluteal tuberosity
      • Lateral lip of linea aspera
  • Insertion:
    • Quadriceps femoris tendon
    • Lateral margin of petella
  • Action:
    • Extends the leg at the knee joint
  • Arterial supply:
    • Lateral femoral circumflex artery
  • Innervation:

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