Posterior Abdominal Wall Flashcards by Iseoluwa Ojo

Post abdominal wall

-from ____ rib to _____

12th; pelvic brim

How well did you know this?

Not at all

Perfectly

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

paravertebral gutters

kidney

How well did you know this?

Not at all

Perfectly

FASCIAS

-fascias include
_____ fascia;____ fascia; _____ fascia

Psoas

iliaca

Thoracolumbar

How well did you know this?

Not at all

Perfectly

parietal peritoneum: ______ fascia

endoabdominal

How well did you know this?

Not at all

Perfectly

the endoabdominal fascia is continuous with the ______

transversalis fascia

How well did you know this?

Not at all

Perfectly

PSOAS FASCIA

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

lumbar vertebrae and pelvic brim

medial arcuate ligament

quadratus lumborum; thoracolumbar

How well did you know this?

Not at all

Perfectly

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

How well did you know this?

Not at all

Perfectly

THORACOLUMBAR FASCIA

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

Thin; thoracic

Thick; strong

How well did you know this?

Not at all

Perfectly

THORACOLUMBAR FASCIA

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

posterior and middle

erector spinae

rectus sheath

How well did you know this?

Not at all

Perfectly

Which is stronger

Posterior layer of Thoracolumbar fascia or rectus sheath

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

How well did you know this?

Not at all

Perfectly

THORACOLUMBAR FASCIA

-from ____ rib to _____

12th

iliac crest

How well did you know this?

Not at all

Perfectly

THORACOLUMBAR FASCIA

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

IOM and TM ; EOM

latissimus dorsi

How well did you know this?

Not at all

Perfectly

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

Thinner

qudratus lumborum

How well did you know this?

Not at all

Perfectly

THORACOLUMBAR FASCIA

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

transversus abodominus

lateral arcuate

iliolumbar

How well did you know this?

Not at all

Perfectly

PSOAS MAJOR

ORIGIN is from ___ slips

How well did you know this?

Not at all

Perfectly

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

IV disc ; T12-L5

Anterior; inferior; Transverse process; L1-L5

tendinous arches; L1-L5

PSOAS MAJOR

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

Medial; ilopsoas

lesser trochanter of femur

PSOAS MAJOR

ACTION:

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

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

chief flexor; hip

chief flexor; thigh

Ventral ; L1-L3

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

Posterior

psoas major

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

IV disc

T12 and L1

iliopubic eminence
weak flexor of trunk

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

fan

Lateral

Anterior ; lateral

inner; iliac crest

Upper ; 2/3

iliac fossa

lesser trochanter; anterior

2.5

ILIACUS

ACTION

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

INNERVATION: ____ nerve (_____)

Flexes

psoas

Femoral

L2,3,4

Iliacus can cause movement of the lumbar vertebrae column

T/F

only psoas can cause movement of the lumbar vertebrae column

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

Medial
Anterior

12th rib

Upper

lumbar

Posterior 1/3; inner; iliac crest

Iliolumbar

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

Extend; lumbar Lateral flexor lumbar T12-L3/4

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

Inferior laterally

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

13; 2 inferior phrenic posteriorly coeliac ; T12 middle suprarenal; L1 superior mesenteric; L1 Renal; L2 gonadal lumbar inferior mesenteric median sacral ; L4

inferior phrenic artery ________ artery is a branch of it

superior suprarenal

renal artery ______ artery is a branch of it

inferior suprarenal

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 ____

20 L5 2.5 Infront of ; right external iliac Right right crus of diaphragm liver

left Supragonadal vein drains into _______

left renal vein

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

thoracolumbar ; body ; ante anterior longitudinal ligament Laterally ; psoas sheath posterior mediastinum ; medial arcuate ligament psoas; inguinal ligament femoral triangle

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

atherosclerosis aortic wall swollen and pulsating Left; umbilicus

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

Below renal 95

AORTIC ANEURYSM common in ________ people

elderly men

COMPRESSION OF IVC | -eg by _______ ; ___ trimester; results in _____

pregnant uterus; last edema

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)

retroperitoneal Dilatation IVC and SVC right atrium thoracoabdominal lateral thoracic ; axillary superficial epigastric ; femoral