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Anatomy Spine
anatomy
57
Medical
Undergraduate 3
11/06/2006

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Term
cervical and lumbar curves are also called
Definition
Lordatic
Term
thoracic and sacral curves are also called
Definition
Kyphotic
Term
where the cauda equina begins
Definition
L1
Term
Intervertebral disc anatomy
Definition
Annulus Fibrosus-tough outer part
Nucleus Pulposus-inner gel-like
Term
which ligament covers the dura mater
Definition
ligamentum flavum
Term
which ligament is behind the spine and inside the spinal canal
Definition
posterior longitudinal ligament
Term
which ligament attaches to the front of the spine and is often injured during whiplash
Definition
anterior long. ligament
Term
spinal ennervation of the head/neck
Definition
C1-C2
Term
Spinal ennervation of the diaphragm
Definition
C3
Term
spinal ennervation of the upper body muscles (deltoids, bicepts)
Definition
C4
Term
spinal ennervation of the wrist extensors
Definition
C5-C6
Term
spinal ennervation of the triceps
Definition
C7
Term
spinal ennervation of the hands
Definition
C8
Term
the first cervical vertabrae
Definition
Atlas
Term
this part of the C vertabrae houses the vertebral artery
Definition
transverse foramen
Term
injury with muscular tenderness is called
Definition
strain
Term
ligament injury is called
Definition
Sprain
Term
X-rays that need to be done with a C-spine injury
Definition
AP view
Lateral
Odontoid view
Term
All of these things need to be present if you are to do an X-ray according to the Nexus study
Definition
Midline pain, crepitus, step-off
Neuro deficit, tinglin
presence of a distracting injury
Aloc, including intoxication
Term
what determines if you do an X-ray according to the Canadian rules
Definition
High risk factors with
>65 y/o
parasthesias in extremities
or
Low risk factors but
unable to rotate neck 45 degrees L/R
Term
Tx for SCIs
Definition
high dose of methyprednisolone
remove from backboard w/in 2 hrs
Term
when are DTRs usually absent
Definition
with severe spinal cord injury
Term
high cervical injuries affect
Definition
C3-C5
arm muscles and ventilation
Term
mid cervical injuries affect
Definition
affects extension but not flexion of the elbow
Term
Low cervical injuries affect
Definition
affects hand muscles but preserves elbow flexion and extension
Term
Thoracic injuries gives you
Definition
paraplegia
Term
Sx include:
loss of temp sensation
loss of motor
pain
sensation is preserved of light touch, vibration, proprioception
Definition
Anterior artery syndrome
Term
This syndrom is assoc. with hyperextension and can give you bilat. arm weakness and normal leg strength
Definition
Central spinal cord syndrome
Term
Usually cause by penetrating trauma
hemisection of spinal cord
loss of ipsilateral motor fx, proprioception, lt touch
loss of contralateral temp and pain sensations
Definition
Brown-Sequard Syndrome
Term
peripheral nerve injury
motor and sensory loss in lower extremities
bowel/bladder dysfunction
saddle anesthesia
sciatica
serious condition needing ER
Definition
Cauda Equina Syndrome
Term
Increased DTRs
spasticity
+ Babinski sign
weakness
Definition
Corticospinal tract injury
Term
loss of ipsilateral light touch sensation
Definition
Dorsal column injury
Term
contralateral pain and sensory loss
Definition
Spinal thalamic injury
Term
warm, pink, dry skin
ileus-bowel doesn't move
fecal incontinence
priaprism
Definition
Spinal shock
Term
Which test do you do if there is a neuro abnormality
Definition
CAT scan
Term
if you suspect a spinal cord injury what test do you do
Definition
MRI
Term
what are the 3 C-spine fractures
Definition
Hangmans-fx of pedicles
Jeffersons-axial load compression of C1
Extension "tear drop"-ligament avulses corner of vertebral body
Term
Extent of brachial plexus
Definition
C5-T1
Term
area where spinal cord ends
Definition
Conus Medullaris
Term
the longest nerve in body
enables movement of lower extremities
comes out of piriformis muscle
Definition
the Sciatic Nerve
Term
Sx of spinal stenosis
Definition
pain start in legs moves to buttocks "sensory march"

Tx-NSAIDs, corticosteroids
Term
this is a defect in the pars interarticularis
Definition
spondylolysis
Term
bilat spindylolysis with slip of L5 over sacrum
Definition
spondylolisthesis
Term
Sx of spondylolisthesis
Definition
low back pain,thighs, legs
pt appears swayback
common in athletes, weightlifters
Term
herniated discs are most common here
Definition
L4-L5 and L5-S1

stage 1-2 incomple
stage 3-4 complete

Dx- MRI
Term
when do you do ortho referral for scoliosis
Definition
>20 degrees

15-20 degrees- serial X-rays Q3-4 mo
Term
Increase of normal curvature is called and can give you resp. distress
Definition
Kyphosis
Term
TB of the spine (Pott's disease) can give you this
Definition
scoliosis
Term
an inflammatory, chronic condition that results in the fusing of the sacroiliac joint
Definition
Ankylosing Spondylitis

Tx-NSAIDs, PT
Term
Spine Fractures
Definition
Wedge-front part only
Burst-crushed in all directions
Chance-from wearing a lap seatbelt
Term
type of spine fx assoc with lap seatbelts
Definition
Chance Fx
Term
what do you suspect with Pts >55 that have back pain with no trauma
Definition
Ab Aortic Aneurysm
Term
Sx include Kernig's sign, Brudzinski's sign, vomiting, fever, neuchal rigidity
Definition
meningitis
Term
decrease of sex hormones and Cushing's syndrome are often assoc with this bone disorder
Definition
Osteoporosis
Term
which nerve ennervates the pinky
Definition
Ulnar nerve which arises from C8 & T1
Term
nerve assoc. with carpal tunnel syndrome
Definition
Median nerve
Term
Guillain-Barré syndrome
Definition
a disorder in which the body's immune system attacks part of the peripheral nervous system.
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