Vastus Lateralis

Vastus Lateralis is the most lateral (outer) of the four quadriceps 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 up stairs.

Example strengthening exercises

Example stretches