Written by Aren Mnatzakanian

Last updated January 19, 2023 • 6 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.

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