Of the following muscles of the thigh, which one is NOT part of the quadriceps group?

A) Biceps femoris
B) Rectus femoris
C) Vastus lateralis
D) Vastus medialis
E) Vastus intermedius

Quadriceps Group

A muscle group located in the front of the thigh, consisting of four muscles that extend the knee and provide leg extension.

Biceps Femoris

A muscle of the thigh located at the back of the leg, part of the hamstring group, involved in knee flexion and hip extension.

Rectus Femoris

One of the four quadriceps muscles of the thigh, responsible for extending the knee and flexing the thigh.