Pelvic floor Muscles

Question 1

Levator Ani mm. is made of what three muscles?

Answer 1

Page 341.
Puborectalis
Pubococcygeus
iliococcygeus

Question 2

Puborectalis portion of Levator Ani

Answer 2

a sling muscle
important for maintaining fecal contenece
Innervated by nerve to elevator ani (S4 ventral rami)
support pelvic viscera, resisting increases in intra abdomina pressure

Question 3

Pubococcygeus

Answer 3

Pubic bone to coccyx (just lateral to Puborectalis
Innervated by nerve to elevator ani (S4 ventral rami)
support pelvic viscera, resisting increases in intra abdomina pressure

Question 4

Iliococcygeus

Answer 4

ilium to coccyx
Innervated by nerve to elevator ani (S4 ventral rami)
support pelvic viscera, resisting increases in intra abdomina pressure

Question 5

Coccygeus

Answer 5

ischial spine to coccyx innervated by ventral rami of S4 to S5.
support pelvic viscera, resisting increases in intra abdomina pressure

Question 6

where is the rectovesical pouch?

Answer 6

only in men, and just read the name

Question 7

describe the pathway that the round ligament takes to the labia majora.

Answer 7

DIR to IC to SIR