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Coccygeus nerve supply
Branches of anterior rami of S3, and S4

Levator ani nerve supply
Anterior ramus of S4, pudenal nerve S2-S4


Anococcygeal ligament

Rectum, levator ani (puborectalis) external anal sphincter

Right: levator ani- iliococcygeus
Functions of pelvic floor muscles
Support pelvic contents, prevents pelvic organ prolapse in females, maintain urinary and fecal continence iether reflexly or voluntarily
What 2 muscles and 2 openeings are in the pelvic floor
Coccygeus and levator ani muscles
Openings: urogenital hiatus and anal hiatus
What 3 sets of fibres does lvator ani have
Puborectalis, pubococcygeusm and iliococcygeus