Posterior Abdominal Wall

Question 1

Psoas Major/Minor

Answer 1

Hip flexors (medial)

Question 2

Iliacus m.

Answer 2

Hip flexor (lateral to psoas)

Question 3

Psoas Abscess

Answer 3

• Infection deep to psoas fascia

- Sx: back/flank pain, fever, limp, *Psoas sign (lower ab pain w/ limb extension)

Question 4

Median Arcuate ligament

Answer 4

Tendonous arch of crura of diaphragm

Question 5

Medial arcuate ligament

Answer 5

Fascial thickening of psoas fascia

Question 6

Lateral arcuate ligament

Answer 6

Thickening of fascia lining quadratus lumborum