Neurospinal Anatomy and Kinesiology Flashcards
anterior vertebral joint is for __
what is the anterior vertebral joint
weight bearing
body and disc - 75% of total weight
posterior vertebral joint is for __
what is the posterior vertebral joint
movement
facet - 25% of total weight
lateral bending stresses which ligament of the spine
inter transverse ligament
L5 has what special ligament
what does this ligament check
corporotransverse ligament
(iliolumbar ligament)
rotation
what nerve roots are most vulnerable to lateral bending
lower cervical nerve roots
brachial plexus
dura mater forms the forms the __ which passes through the IVF
epineurium
what are the ligaments that cross the IVF
how many at each level
how much of the IVF is filled with these ligaments
transforaminal ligaments
1-4 at each level
1/3 of IVF
biomechanical stress is disturbed most by what
unilateral problems
nuclear fibers of disc resist what
annular fibers of disc resist what
compression
torsion
how are annular fibers innervated
inner 1/3 most sensitive
outer 1/3 sensory and vasomotor
nuclear impression or notochord remnants is from what
what appearance does this have on X-ray
disc and alar plate
cupids bow on AP xray
which part of the disc is weakest to compression forces
end plate
how thick is the endplate
1 mm thicker in the medial region of the end plate
which artery follows the spinal nerve out of the IVF
segmental artery
what does sinuvertebral nerve innervate
what’s another name for this nerve
recurrent meningeal nerve
PLL. annular fibrosis, ligamentum flava, dura, veins, fat