Term
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Definition
Excessive axial loading (i.e. diving into shallow water).
Results in fracture to both anterior and posterior arches.
Damage to spinal cord uncommon because the canal widens. |
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Term
| What type of odontoid fracture is the most dangerous? |
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Definition
| Type II. Type I and III may maintain support. |
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Term
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Definition
| Spondylolysis of C2 resulting from hyperextension of occiput. |
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Term
| What thoracic vertebrae is commonly broken? |
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Definition
| T12 due to change in inferior architecture to accommodate 1st lumbar vertebrae. |
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Term
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Definition
Vertebral break. Specifically, the pars interarticularis.
Typically bilateral.
Results in anteroposterior instability. |
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Term
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Definition
Vertebral slipping. Causes compression of spinal cord.
Most common between L5 and S1 |
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Term
| What has occurred if the scotty dog has a collar? |
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Definition
| Spondylolysis. (pedicle is the eye) |
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Term
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Definition
| Tearing of anterior longitudinal ligament and other tissue during hyperextension. |
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Term
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Definition
Sudden excessive vertebral loading can rupture annulus fibrosus at weakest point.
Usually posterolaterally.
Nucleus pulposa leaks into vertebral foramen compressing spinal cord and nerves. (Jelly Donut) |
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Term
| What happens to the nucleus pulposa with age? |
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Definition
| It hardens resulting in loss of flexibility |
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Term
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Definition
Stiffening spinal inflammation.
Form of rheumatoid arthritis |
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Term
| Rupture of transverse ligament |
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Definition
| Results in anterior dislocation of C1 on C2. Spinal cord can be compressed. |
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