Vastus Intermedius

Vastus Intermedius Muscle

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 up stairs.

Example exercises : Knee extension with a band.

Example stretches : Standing quadriceps stretch.
Laying quadricep stretch.