Let’s explore the 4 Quadricep Muscles There are 3 Vasti Muscles: Vastus MedialisVastus LateralisVastus IntermedialisThese all originate on the Femroial Head and Insert on the Tobial plateau via the Patella Tendon. The Rectus Femoris is the 4th muscle and sits over the top of the vasti muscles. It crosses two joints, the Knee and the Hip. It inserts in the sam patellar tendon, but originates on the AIIS (Anterior Inferior Iliac Spine) of the pelvis. A lot of FITPROs get stuck when learning the or