Unit 5 - Lower Limb: Muscles of Pelvic Diaphragm (Ex. IV) Flashcards Preview

Gross Anatomy '15 Ex. IV > Unit 5 - Lower Limb: Muscles of Pelvic Diaphragm (Ex. IV) > Flashcards

Flashcards in Unit 5 - Lower Limb: Muscles of Pelvic Diaphragm (Ex. IV) Deck (2)
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1
Q

coccygeus

A

O: I end of sacrum
I: ischial spine
Inn: direct branches from S plexus (S4-S5)
A: supports pelvic viscera; flexes coccyx

2
Q

levator ani

A

O: puborectalis - S pubic ramus (both sides of pubic symphysis); pubococcygeus - pubis L to O of puborectalis; iliococcygeus - internal obturator fascia of levator ani (tendinous arch)
I: anococcygeal ligament; coccyx
Inn: direct branches from S plexus (S4); I anal n.
A: pelvic diaphragm - supports pelvic viscera

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