The pubococcygeus muscle, which originates on the inner margins of the pubis and inserts on the coccyx and median raphe, supports the pelvic organs and elevates and retracts the anus.

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The pubococcygeus muscle does originate on the inner margins of the pubis and inserts on the coccyx and median raphe. It is responsible for supporting the pelvic organs and elevating and retracting the anus.

The Pubococcygeus Muscle, Which Originates on the Inner Margins of the Pubis