quadriceps (rectus femoris, vastus lateralis, vastus medialis, vastus intermedialis).jpg

Vastus Intermedius

Origin: Femur (Anterior/Lateral/ Upper 2/3)

Insertion: Tibia and patella (Quadriceps Tendon to Patella to Patella Tendon to Tibial Tuberosity)

Action: Knee Extension

Innervation: L2-4 (Femoral Nerve)