The four muscles that occupy the anterior portion of the thigh are called the quadriceps femoris. Flexor of thigh and extensor of lower leg. The largest muscle of this group, part of it lies under the tensor fascia lata. Extends the lower leg.
Large muscle lies medial to the rectus femoris.
Extends the lower leg. Flat, lies deep to the rectus femoris between the vastus lateralis and medialis. No picture available.