Pelvic Floor

Question 1

Levator Ani (pubococcygeus, puborectalis, iliococcygeus)

Answer 1

O: body of pubis, obturator fascia, ischial spine
I: coccyx
A: forms muscular sling to support a abdominopelvic viscera, holds viscera in position, assist with abdominopelvic compression utilized with caughing, sneezing, vomiting
N: nerve to levator ani (S3, S4)

Question 2

Coccygeus

Answer 2

O: ischial spine
I: sacrum
A:supports pelvic viscera, forms part of diaphragm
N: nerve to levator ani (S3, S4)