Origin: medial lip of the Linea Aspera (10) 
Insertion: together with Vastus Lateralis (3), Vastus Intermedius and Rectus Femoris joins the Quadriceps Tendon (8) to insert at the Patella (7) and Tibial Tuberosity (9)
Actions: leg Extension and Patella Stabilization
Helping Synergist Muscles:
- Vastus Lateralis, Vastus Intermedius, Rectus Femoris and Tensor Fasciae Latae