Vastus Intermedius

Vastus Intermedius is one of four quadricep muscles, located deep in the thigh underneath the Rectus Femoris muscle.

Vastus Intermedius
  • Origin: Anterior and lateral surfaces of the shaft of the femur.
  • Insertion: Patella via the quadriceps tendon and then the tibial tuberosity via the patella tendon.
  • Actions: Knee extension.
  • Innervation: Femoral nerve.
  • Daily uses: Cycling.
    Walking upstairs.
  • Example exercises: Knee extension with a band.
    Squats.
  • Example stretches: Standing quadriceps stretch.
    Laying quadricep stretch.
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