Lecture 9: Pelvis and Perineum Flashcards
1
Q
What two muscles line the lateral wall of the true pelvis
A
- obturator
2. piriformis
2
Q
Unstable pelvic fractures (3)
A
- straddle
- open book
- vertical shear
3
Q
Stable pelvic fractures
A
- transverse fracture of the sacrum
- fracture of the iliac wing
- fracture of the ipsilateral inferior and superior pubic rami
4
Q
2 muscles the form the pelvic floor
A
- levator ani
a. pubococcygeus
b. iliococcygeus
c. puborectalis - coccygeus muscles
5
Q
3 muscles that form the elevator ani
A
- puboccygeus
- iliococygeus
- puborectalis
6
Q
Nerve roots obturator internis
A
- L5-S1
obturator nerve
7
Q
Nerve roots piriformis
A
- S1-S2
8
Q
Nerve roots levator ani
A
- S3-S4
perineal nerve
9
Q
Nerve roots Cocygeus
A
- S4-S5
10
Q
Function of pelvic diaphragm (2)
A
- support structure for pelvic viscera
2. supports closure of rectum and vagina
11
Q
Factors of stress incontinence in women
A
- weakening of levator ani
- weakening of external urethral sphincter
- wearing pubovesicular ligaments
- weakening pubovesicular fascia
12
Q
Tx stress incontinence in women
A
Keggle exercises
13
Q
Lumbar splanchnic roots
A
- T10-L2
14
Q
Sacral Splanchnic roots
A
- L1-L3
15
Q
Pelvic Plexus nerve roots
A
S2-S4