Spine/Hand Flashcards
spinal cord injury location with highest rate of recovery
- lowest chance change of recovery?
conus
lowest -> complete thoracic
Re: sagittal alignment
- how far should C7 plumb line be from back of sacrum?
4-5 cm
% people that improve nonop for C spine HNP
% who get long term benefit from cervical NRB
% of those with lumbar HNP that resolve with nonop
75%
70%
90%
where does sympathetic chain end?
T6/7
nerve root for FHL
S2
TLICS value that indicates surgery
> 4 (5 and up)
Sternoclydomastoid innervation
CN 11 (spinal accesory) - along with trap
most common PE in cervical myelopathy
hoffman
Torg ratio
diameter of spinal canal vs diameter of vertebral body
< 0.8 = severe stenosis
most mobile segment of lumbar spine
L4/5
1st radiographic finding in pediatric diskitis
loss of normal lordosis
incidentals on MRI of L spine
30% -> HNP
80% -> bulding disc
90% -> DDD
Spinal cord monitoring questions
- significant SEP change
- appropriate MAP
Decrease 75% amplitude on SEP is concerning
MAP > 90
What does burst activity indicate in mechanical electromyography?
- sustained train?
burst = contacting nerve root (not bad)
sustained train = significant root traction
this prevents dorsal subluxation of lateral bands
transverse retinacular ligament