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8 Cards in this Set
- Front
- Back
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How are the cervical spine facets oriented in the sagittal plane?
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Cervical: 45 degrees in the sagittal plane
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Compare with thoracic and lumbar facet orientation.
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Thoracic: vertical in sagittal plane (essentially in the coronal plane)
Lumbar: sagittally aligned |
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The sinuvertebral nerve originates from which structure?
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Sympathetic chain
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What structures and elements does it supply?
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Supplies structures within the spinal canal
Supplies posterior elements |
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What other neurologic structure also innervates the posterior elements?
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Primary dorsal ramus also contributes in innervation.
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Pattern of innervation example: the L3 nerve root innervates which facets?
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L3 innervates the L3-4 facets
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At which level is the pedicle diameter the smallest?
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T5
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What is the furcal nerve? What is its clinical significance?
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Peripheral nerve often originating from L4 nerve root
Can result in variable L4 dermatomal distribution. |
