Posterior Abdominal wall

Question 1

post abdominal wall: bones

Answer 1

vertebrae: 5 lumbar vertebrae
Pelvis: superior aspect of pelvic bone
Thorax: Costal margin, rib 11-12
xiphoid process

Question 2

post abdominal wall: fascia

Answer 2

superficial fascia: under skin (fatty layer- Camper’s)

Transversalis fascia: deep to abdominal muscle

Question 3

Muscles of post ab wall

Answer 3

post: quadratus lumborum, psoas, illiacus
lat: abdominal muscles
ant: rectus abdominis incased in rectus sheath

Question 4

Pelvis: Illia

Answer 4

attached laterally to the sacrum (sacroiliac joint). upper part of each illium expand outward wing-like area; illiac fossa

Question 5

Pelvis: Anterior superior Iliac Spine

Answer 5

important landmark of illia

anterior extremity of iliac bone

Question 6

Pelvis: pubic symphysis

Answer 6

between the pubic tubercles

Question 7

Posterior Abdominal wall: thorax bones

Answer 7

costal margin, rib 11-12, xiphoid proccess
rib 11 is post to sup. part of left kidney
rib 12 is post to sup part of both kidney

Question 8

Psoas major & minor

Answer 8

medial
fill space between lumbar veterbral bodies and transverse proccesses, from T12 to L5
passes under medial acruate lig. of diagphragm
most powerful hip flexors with iliacus

Question 9

quadratus lumborum:

Answer 9

lateral
fills space between rib 12 and iliac crest
overlapped by psoas mucle medially