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