Posterior wall Of Abdomen Flashcards
The para vertebral gutters are where
Either side of the lumbar vertebral column
Posterior abdominal wall is composed of what
Five lumbar vertebrae Diaphragm Thoracolumbar fascia Lumbar plexus Posterior abdominal muscles - psoas - quadratus lumborum - iliacus - transverse abdominal - lateral oblique muscles
The deepest part of the para vertebral gutters is occupied by what
The kidneys
What lies in the anteriorly protruding vertebral column
The abdominal aorta
In lean individuals where is the abdominal aorta
Close to the anterior abdominal wall
What covers the posterior abdominal wall
A continuous layer of endoabdominal fascia
The psoas facia covers what
Psoas major
What is very long and foes all the way to the femur
The psoas fascia
What is thick and strong in the lumbar region and thin and transparent in the region where it covers the thoracic parts of the deep muscle
Thoracic bar fascia
the anterior layer of the thoracolumbar fascia covers what
Quadratus lumborum
When the following of these are diseased what happens what follows
Pancreas Lumbar lymph nodes Ureters Cecum Sigmoid colon
Movement of the iliopsoas is painful
Iliopsoas test
Having someone lie on their side and push their leg against the resistance of a hand, if pain occurs intra- abdominal inflammation may be present
Inflamed appendix- right psoas pain
What may cause spasm of the iliopsoas as a protective reflex
Disease of the intervertebral and sacral joints
Tb of vertebral column is what
Very common
Hematogenous spread
Infection spreading through the blood to the vertebrae
An abscess form TB in the lumbar region can do what
Spread from the vertebrae into the psoas sheath where it can make a psoas abscess
Pus from a psoas access usually surfaces where
In the thigh
What is another way that pus can reach the psoas sheath
By passing from the posterior part of the manubrium when the thoracic vertebrae is diseased
The posterior abdominal wall has what kind of nervous system
Autonomic and somatic
Partial lumbar sympathectomy
When the surgeon splits the muscles of the anterior abdominal wall and moves the peritoneum medically and exposes the edge of the psoas major
The relationship of the sympathetic trunk to the aorta and Ivc can make these large vessels do what
Be vulnerable to injury during lumbar sympathectomy
The lumbar plexus nerve network is composed of what
Anterior rami l1-l4
Femoral nerve
L2-l4 comes from the lateral border of the psoas major
Obturator nerve
L2-l4 from the medial border of the psoas major and goes to the lesser pelvis
