Posterior abdominal wall (dave's notes) Flashcards Preview

Anatomy: Abdomen (Dave's notes) > Posterior abdominal wall (dave's notes) > Flashcards

Flashcards in Posterior abdominal wall (dave's notes) Deck (19)
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1
Q

What is the nerve supply of psoas major?

A

Anterior primary rami of L,2

2
Q

What is found within psoas major?

A

The lumbar plexus - look up -? femoral nerve??

3
Q

What is the origin of psoas major?

A

Transverse process of L1-L5, bodies of T12-L5 and intervertebral discs of T12-L4

4
Q

What is the insertion of psoas major?

A

Middle surface of lesser trochanter of femur

5
Q

What is the action of psoas major?

A

Flexes hip

6
Q

What is the nerve supply of psoas minor?

A

Anterior primary rami of L1

7
Q

What is the nerve supply of quadratus lumborum?

A

Anterior primary rami (T12-L3)

8
Q

What is the nerve supply of iliacus?

A

Femoral nerve in abdomen (L2,3)

9
Q

What is found within psoas major?

A

+/- ?????

10
Q

Where is quadratus lumborum found?

A

Quadratus lumborum is found in the anterior compartment of the lumbar fascia

11
Q

What is the origin of psoas minor?

A

Bodies of T12-L1 and intervening intervertebral discs

12
Q

What is the origin of quadratus lumborum?

A

Inferior border of 12th rib

13
Q

What is the origin of iliacus?

A

Iliac fossa within the abdomen

14
Q

What is the insertion of quadratus lumborum?

A

Apicis of transverse process of L1-4, iliolumbar ligament and posterior third of the iliac crest

15
Q

What is the insertion of iliacus?

A

Lowermost surface of lesser trochanter of femur

16
Q

What is the insertion of psoas minor?

A

Pectineal line of pubis and fascia over iliopsoas

17
Q

What is the action of psoas minor?

A

Weak flexor of trunk

18
Q

What is the action of quadratus lumborum?

A

Fixes 12th rib during respiration and laterally flexes trunk

19
Q

What is the action of iliacus?

A

Flexes hip