Anatomy
·Pelvis & Perineum
Pelvic Floor (Pelvic Diaphragm)
⭐ PREMIUM
The pelvic diaphragm (levator ani + coccygeus) is the muscular hammock supporting the pelvic viscera.
LEVATOR ANI — three parts
• Puborectalis: slings around the anorectal junction → maintains the anorectal angle (key for faecal continence).
• Pubococcygeus.
• Iliococcygeus.
• Plus coccygeus (ischiococcygeus) posteriorly.
NERVE SUPPLY
• Nerve to levator ani (S3,4) + pudendal nerve branches.…
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