Vastus Lateralis

Vastus Lateralis Muscle

Vastus Lateralis is the most lateral (outer) of the four quadriceps knee muscles and is felt on the outside top of the thigh.

  • Origin: Outer surface of the greater trochanter of the femur.
    Upper half of the linea aspera.
  • 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 strengthening exercises: Knee extension.
    Squats.
  • Example stretches: Standing quad stretch.
    Laying quad stretch.
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