gracilis muscle

The gracilis is the most superficial muscle in the medial compartment of the thigh and descends almost vertically down the medial side of the thigh.

Summary

  • origin: a line on the external surfaces of the body of the pubis, inferior pubic ramus, and the ramus of the ischium
  • insertion: medial surface of proximal shaft of tibia
  • arterial supply: medial circumflex femoral artery
  • innervation: obturator nerve
  • action: adducts thigh at hip joint and flexes leg at knee joint