The levator ani muscles form the floor of the abdominopelvic cavity and the roof of the __________, the most inferior aspect of the trunk.

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Perineum. The levator ani muscles form the floor of the abdominal cavity and the roof of the most inferior aspect of the trunk, the perineum. Superficially the perineum is the area bounded by the thighs and buttocks. On a deeper plane, the perineum is bounded by the ischiopubic rami converging on the pubic symphysis anteriorly and the sacrotuberous ligaments converging on the coccyx posteriorly.

The Levator Ani Muscles Form the Floor of the Abdominopelvic