Abdominal muscles Flashcards
1
Q
Origin of quadratus lumborum
A
- Inferior border of 12th rib
- Transverse process of lumbar vertebrae
2
Q
Insertion of quadratus lumborum
A
- Iliolumbar ligament
- Iliac crest
3
Q
Action of quadratus lumborum
A
- Fixes 12th rib during inspiration
- Lateral flexion/extension of vertebral column
4
Q
Innervation of quadratus lumborum
A
T12-L4
5
Q
Origin of psoas major
A
- Transverse processes of lumbar vertebrae
- Bodies of T12-L4 and IV disks
6
Q
Action of psoas major
A
- Flexion of thigh (with iliacus)
- Flexion of trunk (with iliacus)
- Lateral flexion of vertebral column
7
Q
Innervation of psoas major
A
L1-3
8
Q
Origin of psoas minor
A
Bodies of T12-L1
9
Q
Insertion of psoas major
A
Lesser trochanter
10
Q
Insertion of psoas minor
A
- Pectineal line
- Iliopectineal eminence
11
Q
Innervation of psoas minor
A
L1
12
Q
Origin of iliacus
A
- Iliac fossa
- Iliac crest
- Anterior sacroiliac ligament
13
Q
Insertion of iliacus
A
Lesser trochanter
14
Q
Action of iliacus
A
Flexion of thigh
15
Q
Innervation of iliacus
A
Femoral nerve
