GA1 - Posterior abdominal wall Flashcards Preview

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Flashcards in GA1 - Posterior abdominal wall Deck (47)
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1
Q

posterior abdominal wall mainly composed of ___ vertebrae and IVDs

A

lumbar

2
Q

muscles of the posterior abdominal wall (5)

A
psoas major
quadratus lumborum
iliacus
transversus abdominis
abdominal obliques
3
Q

posterior abdominal wall has the ___ plexus

A

lumbar

4
Q

posterior abdominal wall includes the ___

A

diaphragm

5
Q

origin of psoas major

A

TPS of lumbar vertebrae and intervening IVDs

6
Q

insertion of psoas major

A

lesser trochanter of femur

7
Q

action of psoas major

A

flexes thigh

flexes trunk when thighs are fixed

8
Q

nerve supply of psoas major

A

ventral rami of L2-L4

9
Q

psoas minor absent in ___ percent of people

A

40

10
Q

origin of psoas minor

A

sides of bodies of T12 and L1

11
Q

insertion of psoas minor

A

iliopubic eminence

12
Q

action of psoas minor

A

flexes the pelvis on the trunk

13
Q

why psoas minor doesnt flex the thigh

A

doesnt cross the hip joint

14
Q

nerve supply of psoas minor

A

L1 and L2 ventral rami

15
Q

origin of iliacus

A

superior 2/3 of the iliac fossa
ala of the sacrum
anterior SI ligament

16
Q

insertion of iliacus

A

tendon of the psoas major

lesser trochanter

17
Q

tendon of the psoas major called ____ ___ after it crosses the inguinal ligament

A

psoas muscle

18
Q

action of the iliacus

A

flexes the thigh

flexes the pelvis on the trunk

19
Q

nerve supply of the ilacus

A

femoral nerve L2, L3, L4

20
Q

origin of quadratus lumborum

A

iliolumbar ligament

iliac crest

21
Q

insertion of the quadratus lumborum

A

medial half of 12th rib and tips of lumbar TPs

22
Q

action of quadratus lumborum

A

extends and laterally flexes the vertebral column

23
Q

nerve supply of quadratus lumborum

A

ventral rami of T12-L4

24
Q

1st paired artery of the abdominal aorta is the ___ ___

A

inferior phrenic

25
Q

suprarenal artery is ____

A

paired

26
Q

common hepatic artery is ____

A

unpaired

27
Q

gastric artery is ___

A

paired

28
Q

proper hepatic is ___

A

unpaired

29
Q

gastroduodenal is ____

A

unpaired

30
Q

splenic artery is ___

A

unpaired

31
Q

inferior suprarenal is ____

A

unpaired

32
Q

superior mesenteric is ___

A

unpaired

33
Q

lumbar arteries are ___

A

paired

34
Q

inferior mesenteric is ___

A

unpaired

35
Q

renal artery is ___

A

paired

36
Q

middle suprarenal is ____

A

paired (2nd pair)

37
Q

testicular/ovarian/gonadal artery is ___

A

paired

38
Q

common iliac is ____

A

paired (last pair)

39
Q

IVC is to the ___ of the vertebral column

A

right

40
Q

IVC extends from ___ to ___

A

L4

T8

41
Q

IVC begins with the union of the ___ ___ veins

A

common iliac

42
Q

IVC ends a it pierces the ___

A

diaphragm

43
Q

L gonadal vein drains into the ___ ___

A

left renal

44
Q

R gonadal vein drains into the ___

A

IVC

45
Q

superior mesenteric and the splenic come together to form the ___ vein

A

portal

46
Q

inferior mesenteric drains into ____

A

splenic

47
Q

left and right gastric drain into the ___ veins

A

portal