The Rectus Femoris muscle is part of the Quadriceps muscle group. It is the only muscle of the group which crosses the hip joint and is a powerful knee extensor when the hip is extended, but is weak when the hip is flexed.


  • Anterior Inferior Iliac Spine (AIIS)


  • Top of the patella and the patella tendon to the tibial tuberosity


  • Flexion of the hip
  • Extension of the knee


  • Femoral nerve

Daily uses

  • Kicking a football

How can I stretch it?

How can I strengthen it?

Hip and Groin Muscles:

More Human Muscles: