Human Anatomy: Muscle Groups

Human Anatomy

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Muscle Function & Other Pertinent Medical Information
ORIGIN: Medial aspect of ischiopubic ramus and body of ischium
INSERTION: Midline raphe and perineal body
ACTION: Fixes perineal body and supports pelvic viscera
NERVE: Perineal branch of pudendal nerve (S2, 3, 4)

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