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.