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ANA 202 > Posterior Abdominal Wall > Flashcards

Posterior Abdominal Wall Flashcards

1
Q

Post abdominal wall

-from ____ rib to _____

A

12th; pelvic brim

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2
Q

the lumbar vertebrae is a prominent structure in the posterior wall and creates two _________ and the most posterior part of this is occupied by the _____ and its surrounding fat

A

paravertebral gutters

kidney

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3
Q

FASCIAS

-fascias include
_____ fascia;____ fascia; _____ fascia

-

A

Psoas

iliaca

Thoracolumbar

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4
Q

parietal peritoneum: ______ fascia

A

endoabdominal

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5
Q

the endoabdominal fascia is continuous with the ______

A

transversalis fascia

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6
Q

PSOAS FASCIA

  • psoas fascia is attached medially to the _________ and ____
  • also thickened superiorly to form the _______
  • fused laterally to _______ muscle and ______ fascia
A

lumbar vertebrae and pelvic brim

medial arcuate ligament

quadratus lumborum; thoracolumbar

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7
Q

Psoas fascia is also continuous with part of the iliac fascia covering the fascia
T/F

A

T

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8
Q

THORACOLUMBAR FASCIA

  • (thin or thick?) where it covers ______ part of deep muscles
  • (thin or thick?) and (weak or strong?) in lumbar region
A

Thin; thoracic

Thick; strong

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9
Q

THORACOLUMBAR FASCIA

its _____ and _____ layer enclose the _______ muscle (like rectus abdominus with _____)

A

posterior and middle

erector spinae

rectus sheath

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10
Q

Which is stronger

Posterior layer of Thoracolumbar fascia or rectus sheath

A

the posterior layer is even stronger than the rectus sheath but this could be because of its bony support

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11
Q

THORACOLUMBAR FASCIA

-from ____ rib to _____

A

12th

iliac crest

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12
Q

THORACOLUMBAR FASCIA

-laterally attaches to _____ and ____ but not ____; instead it goes for ____

A

IOM and TM ; EOM

latissimus dorsi

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13
Q

THORACOLUMBAR FASCIA

anterior layer is (thinner or thicker ?) than the other 2 and covers the anterior surface of the _____ muscle and attaches to the (anterior or posterior?) surface of transverse process;iliac crest;12th rib

A

Thinner

qudratus lumborum

Anterior

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14
Q

THORACOLUMBAR FASCIA

anterior layer is continuous with aponeurotic _________ ; thickens superiorly to form the _________ ligament ; attached inferiorly to the _____ ligaments

A

transversus abodominus

lateral arcuate

iliolumbar

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15
Q

PSOAS MAJOR

ORIGIN is from ___ slips

A

14

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16
Q

MUSCLES

PSOAS MAJOR

ORIGIN:

  • 14 slips
  • 5 from _____ of _____ vertebrae and adjoining margins of the bodies
  • 5 from (anterior or posterior?) surface and (superior or inferior?) border of ______ of ____ vertebrae
  • 4 from _____ of _____ vertebrae
A

IV disc ; T12-L5

Anterior; inferior; Transverse process; L1-L5

tendinous arches; L1-L5

17
Q

PSOAS MAJOR

INSERTION:
(medial or lateral?) component of _____
-inserts through the tendon into the _____ of _____

A

Medial; ilopsoas

lesser trochanter of femur

18
Q

PSOAS MAJOR

ACTION:

  • from above;_____ of thigh at __ Joint
  • from below ______ of trunk on ___(sit tf up!)

INNERVATION:
-(ventral or Dorsal?) rami of _____

A

chief flexor; hip

chief flexor; thigh

Ventral ; L1-L3

19
Q

The lumbar plexus is embedded in the (anterior or posterior?) part of the ______ muscle

A

Posterior

psoas major

20
Q

PSOAS MINOR
-present in only about ___% of the population

ORIGIN:
_____ of _____ vertebrae and adjoining margin of body

INSERTION:
______________

ACTION:
___________ of _____

INNERVATION:
A branch of —— spinal nerve

A

50

IV disc

T12 and L1

iliopubic eminence
weak flexor of trunk

L1

21
Q

ILIACUS
- _____ shaped (medial or lateral?) component of iliopsoas major

ORIGIN

  • (anterior or posterior?) (medial or lateral?) of sacrum
  • ____ lip of _____
  • (upper or lower?) __/3 of the floor of ______

INSERTION

  • ________ ((anterior or posterior?) surface )
  • and an area that is ___cm below the above spot
A

fan

Lateral

Anterior ; lateral

inner; iliac crest

Upper ; 2/3

iliac fossa

lesser trochanter; anterior

2.5

22
Q

ILIACUS

ACTION

  • (flexes or extends?) thigh
  • share in hip flexion with ___

INNERVATION: ____ nerve (_____)

A

Flexes

psoas

Femoral

L2,3,4

23
Q

Iliacus can cause movement of the lumbar vertebrae column

T/F

A

F

only psoas can cause movement of the lumbar vertebrae column

24
Q

QUADRATUS LUMBORUM

ORIGIN

  • (medial or lateral?) (anterior or Posterior?) surface of _____
  • (upper or lower?) _____ transverse process

INSERTION

(Anterior or Posterior?) __/3 of ___ lip of ____
______ligament

A

Medial
Anterior

12th rib

Upper

lumbar

Posterior 1/3; inner; iliac crest

Iliolumbar

25
Q

QUADRATUS LUMBORUM

ACTION:

  • (flex or extend?) ____ vertebrae
  • but also a (medial or lateral?) ( flexor or extensor?) of ___ vertebrae

INNERVATION:
- ____-____

-branches of the lumbar plexus run inferiorly on the anterior surface of the muscle

A

Extend; lumbar

Lateral flexor

lumbar

T12-L3/4

26
Q

subcoastal nerve runs (superior or inferior?) (Medially or laterally?) on quadratus lumborum muscle

A

Inferior laterally

27
Q

ABDOMINAL AORTA

  • ___cm in length
  • __cm wide(approximately)
  • ______ artery is the first branch and comes out (anteriorly or posteriorly?)
  • ____ artery (___)
  • ______ (___) posteriorly
  • __________ artery ( ___ )
  • ______ artery (___)
  • _____ artery
  • ____ artery (posterolaterally )(L1-L4)
  • _______ artery (L3)
  • ______artery (___) posteriorly
A

13; 2

inferior phrenic

posteriorly

coeliac ; T12

middle suprarenal; L1

superior mesenteric; L1

Renal; L2

gonadal

lumbar

inferior mesenteric

median sacral ; L4

28
Q

inferior phrenic artery

________ artery is a branch of it

A

superior suprarenal

29
Q

renal artery

______ artery is a branch of it

A

inferior suprarenal

30
Q

IVC

  • ___cm long
  • forms at ___ vertebrae, ___cm from midline
  • (in front of or behind?) _______ artery
  • ascends (right or left?) side of aorta
  • arches (forward or backward?) on ___ of ____ to reach posterior surface of the ____
A

20

L5

2.5

Infront of ; right external iliac

Right

right crus of diaphragm

liver

31
Q

left Supragonadal vein drains into _______

A

left renal vein

32
Q

PSOAS ABSCESS:
-we all know that psoas forms a fascia
-infection of the vertebrae on _______ side would lead to destruction of the ___ of the vertebrae and the infection can’t spread ___riorly because of the ______ so it passes
(Medially or laterally?) into ____ to form the abscess
-this fucking pus can also come from the back (______) through the gap deep to the ______; from there to __ muscle; to _____ ; to _____ to form a soft swelling

A

thoracolumbar ; body ; ante

anterior longitudinal ligament

Laterally ; psoas sheath

posterior mediastinum ; medial arcuate ligament

psoas; inguinal ligament

femoral triangle

33
Q

AORTIC ANEURYSM

  • most common cause is _____ which weakens the ______
  • presents as a _____ and ____ mass just (superior or inferior?) and (left or right?) to ________
A

atherosclerosis

aortic wall

swollen and pulsating

Left; umbilicus

34
Q

AORTIC ANEURYSM

-usually occurs (above or below?) the _____ arteries (___%)

A

Below

renal

95

35
Q

AORTIC ANEURYSM

common in ________ people

A

elderly men

36
Q

COMPRESSION OF IVC

-eg by _______ ; ___ trimester; results in _____

A

pregnant uterus; last

edema

37
Q

compression and blockage of IVC by malignant ____ tumors, leads to (constriction or dilatation?) of channel between ____ and ___ so that blood can get back to _____

clinically it appears as ____ vein ; formed due to dilatation of the anastomoses between _______ vein ( _____ vein) and ________ vein(______ vein)

A

retroperitoneal

Dilatation

IVC and SVC

right atrium

thoracoabdominal

lateral thoracic ; axillary

superficial epigastric ; femoral

ANA 202 (24 decks)

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