02 Pelvic Floor Flashcards Preview

7202 Anatomy > 02 Pelvic Floor > Flashcards

Flashcards in 02 Pelvic Floor Deck (15):
1

The pelvic floor is composed of these two paired muscles

- levator ani
- coccygeus

2

main contributor to the levator ani

pubococcygeus

3

The pubococcygeus on the (anterior/posterior) part of the levator ani

anterior

4

From where does the pubococcygeus arise?

- posterior body of pubic bone
- anterior part of arcus

5

What does the medial fibers of the pubococcygeus border?

urogenital hiatus

6

Most anterior fibers of the pubococcygeus insert into the ______

urethra

7

Where do the additional fibers of the pubococcygeus insert?

- sweep behind vagina or prostate
- insert into central perineal tendon

8

What are the additional fibers of the pubococcygeus called?

- levator prostatae
- pubovaginalis

9

What does the coccygeus muscle do?

reinforces pelvic floor posteriorly

10

From where does the coccygeus muscle arise?

ischial spine

11

Where does the coccygeus muscle insert?

lower two sacral and upper two coccygeal segments

12

What does the coccygeus blend with and where?

sacrospinous ligament on its external surface

13

Functions of the levator ani

- raise pelvic floor to increase abdominal pressure
- important in voluntary control of urination
- supports pelvic viscera
- supports head of fetus

14

another word for urinating

micturition

15

What activities cause increased abdominal pressure?

- coughing
- sneezing
- urinating
- defecating
- lifting heavy objects