PELVIC FLOOR MUSCLES

Question 1

Actions of ischiocavernousus

Answer 1

assists with erection of the penis or clitoris

Question 2

actions of bulbosponginosus

Answer 2

narrows vaginal opening; compresses and stiffens clitoris.

Males: contributes to erection, ejaculation

Question 3

actions of deep transverse perineal

Answer 3

supports pelvic organs

Question 4

actions of superficial transverse perineal

Answer 4

supports pelvic organs

Question 5

actions of levator ani

Answer 5

group of muscles that form the anterior and lateral parts of the pelvic diaphragm

Question 6

actions of the external anal sphincter

Answer 6

closes anal opening; must relax to defecate

Question 7

origins of ischiocavernousus

Answer 7

ischial tuberosity

Question 8

origins of bulbosponginosus

Answer 8

median raphe

Question 9

origins of deep transverse perineal

Answer 9

ischial tuberosity

Question 10

origins of superficial transverse perineal

Answer 10

inferior rami of the ischium

Question 11

origins of the levator ani

Answer 11

inner surface of the side of the lesser pelvis

Question 12

origins of external anal sphincter

Answer 12

N/A

Question 13

insertions of ischiocavernousus

Answer 13

crus of penis

Question 14

insertions of bulbosponginosus

Answer 14

N/A

Question 15

insertions of deep transverse perineal

Answer 15

tendinous point of perineum

Question 16

insertions of superficial transverse perineal

Answer 16

deep transverse perineal muscle of opposite side

Question 17

insertion of external anal sphincter

Answer 17

N/A

Question 18

insertion of levator ani

Answer 18

inner surface of coccyx, levator ani of opposite side