The option that is not a component of the quadriceps femoris is a: biceps femoris
The quadriceps femoris is a large muscle group in the anterior thigh that extends the knee joint. It is made up of four muscles:
So, one need to know that the rectus femoris, the largest of the four muscles, originates from the ilium, the anterior inferior iliac spine, and inserts on the patella and the tibial tuberosity. The vastus medialis, the second largest muscle, originates from the vastus medialis ridge of the femur and inserts on the medial border of the patella and the tibial tuberosity.
See text below
Which of the following is not a component of the knee joint?
(a) biceps femoris (b) Motor neuron (c) Brain (d) inter neurons.