Lecture 21

Question 1

what 3 muscles are a part of the levator ani group

Answer 1

puborectalis
pubococcygeus
iliococcygeus

Question 2

purpose of the pelvic floor

Answer 2

supports pelvic organs (intestines, uterus, and assists with incontinence of sphincters)

Question 3

what are the pelvic floor muscles

Answer 3

puborectalis
pubococcygeus
iliococcygeus
coccygeus

Question 4

pelvic bowl muscles

Answer 4

piriformis and obturator internus

Question 5

importance of perineal membrane

Answer 5

attachment for roots of external genitalia and ms associated with this area

Question 6

nerves coming off the sacral plexus

Answer 6

superior gluteal L4-S1
inferior gluteal L5-S2
sciatic L4-S3
Pudendal S2-4

Question 7

if a male had pudendal nerve compression, what symptoms would he have

Answer 7

pain
burning, shooting, nerve pain
raw feeling in penis and other genital area

Question 8

function of pudendal n

Answer 8

sensation to external genitalia and skin around anus
motor to anal sphincters

Question 9

pudendal nerve block

Answer 9

saddle block
numbs area for episiotomy
injected into lesser sciatic foramen

Question 10

pelvic splanchnic nerves, where do they arise?

Answer 10

form the parasympathetic portion of the autonomic nervous system in the pelvis

Question 11

splanchnic n function

Answer 11

motor to bladder, opening and closing of urethral sphincter S2-4

Question 12

pudendal n function

Answer 12

motor function to anus and genitalia; pelvic floor and sensation

Question 13

children of the internal iliac artery

Answer 13

I Love Going Place In My Very Own Underwear
-iliolumbar
-lateral sacral
-gluteal
-pudendal
-inferior vesicle
-middle rectal
-vaginal
-obturator
-umbilical