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Spine SGD

Spine SGD. The Facts. Highest incidence in males beween 18-29 Associated with vehicular crash and falls 90% of vertebral fractures occur in thoracic or lumbar spine thoracolumbar junction (T11-L1) Neurologic deficit in 15-20% of TL fracture dislocation.

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Spine SGD

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  1. Spine SGD

  2. The Facts • Highest incidence in males beween 18-29 • Associated with vehicular crash and falls • 90% of vertebral fractures occur in thoracic or lumbar spine • thoracolumbar junction (T11-L1) • Neurologic deficit in 15-20% of TL fracture dislocation

  3. Why the Thoracolumbar junction? • Biomechanical transition area between the stable thoracic segment and mobile lumbar segment • Change in alignment between kyphotic thoracic segment and lordotic lumbar segment • Transition of the degrees of freedom of the joints – increasing flexion extension, decreasing lateral bending

  4. Pathology • Axial loading • Flexion • Extension • Shear • Axial rotation • Combination of these forces

  5. Classification • Anterior column • Middle column • Posterior column

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