Pubococcygeus

Written by Aren Mnatzakanian

Last updated June 20, 2025 • 7 Revisions •

The pubococcygeus is a muscle of the pelvic floor. It forms the intemediate part of the levator ani muscle complex.

  • Attachments: Originates from the posterior surface of the pubis. It blends with the contralateral muscle in the midline of the pelvic floor.
  • Actions: Stability and support of abdominal and pelvic organs.
  • Innervation: Nerve to levator ani and branches of the pudendal nerve.
  • Blood supply: Inferior gluteal, inferior vesical and pudendal arteries.

Fig 1
Superior (bird’s eye) view of the pelvic floor. Note the prerectal fibres of the puborectalis.

Pro Feature - 3D Model