Rectus femoris

The rectus femoris (also rectus femoris muscle, latin: musculus rectus femoris) is one of the muscles forming the quadriceps femoris, located in the anterior region of the thigh between the vastus lateralis and vastus medialis.

Origin

The rectus femoris originates from the anterior inferior iliac spine.

Insertion

Along with the other muscles of the quadriceps femoris the rectus femoris inserts onto the tibial tuberosity.

Action

The main function of the rectus femoris is flexion of the hip and extension of the knee.

Innervation

The rectus femoris is innervated by the femoral nerve.