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22 Cards in this Set
- Front
- Back
Cervical spondylosis is most common at which two levels?
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C5-6
C6-7 |
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Degenerative cervical spondylolisthesis is most common at which two levels?
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C3-4
C4-5 |
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What are the most common levels of cervical trauma to the young?
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C4 to C7
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What are the most common levels of cervical trauma in the elderly?
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C1, C2
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What is Spurling"s test? What is its clinical significance?
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Rotation, lateral bend, cervical compression of neck
To identify cervical radiculopathy |
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What arm position classically relieves the symptoms of cervical radiculopathy?
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Symptoms improve with the arm overhead
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What is the ideal therapy regimen for radiculopathy? What percentage of patients improve?
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Isometric exercises
75% improve |
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What is the finger escape test? What is its clinical significance?
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Spontaneous small finger abduction secondary to weak intrinsics
Indicative of myelopathy |
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In what two ways does cervical myelopathy generally progress?
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Long quiescent periods
Stepwise deterioration |
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What is Lhermittes sign?
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Lightning sensation in arms with neck flexion
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What does C4 nerve root innervate?
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Scapular muscles
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What three roots correspond to reflexes within the upper extremities?
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C5: biceps
C6 brachioradialis C7: triceps |
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What is the significance of a hypoactive brachioradialis (BR) reflex?
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Hypoactive BR reflex = lower motor neuron involvement (radiculopathy)
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What is the significance of an inverted radial reflex (IRR)?
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IRR: hypoactive BR reflex + concurrent finger flexion
Upper motor neuron involvement (myelopathy) |
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What is the definition of Torg's ratio? What is its clinical significance?
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Canal width divided by vertebral body width
For the identification of congenital stenosis |
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What is Power's ratio used for? What is its critical value?
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Anterior atlanto-occipital (AO)
dissociation BC/AO.1: abnormal |
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Compare normal and critical values of Torg's radio?
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Normal is 1.0
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What three arteries contribute to the spinal cord blood supply?
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Anterior spinal artery (two thirds from vertebral artery)
Two dorsal spinal arteries (one third from posterior inferior cerebellar artery [PICA]) |
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The watershed area of the cervical spinal cord is at which levels?
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C5 to C7
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What are the two classic symptoms of calcified disk disease in a child?
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Neck pain
Toricollis |
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What is the treatment of choice?
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Observation
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What is the prognosis?
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Likely to go on to spontaneous resolution
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