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

Rectus Femoris

Origin: Pelvis (AIIS of Ilium, Superior rim of Acetabulum)

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

Action: Hip Flexion, Knee Extension

Innervation: L2-4 (Femoral Nerve)