Authors of section


Carlo Bellabarba, Marcelo Gruenberg, Cumhur Oner

Executive Editor

Luiz Vialle

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B1 Posterior tension band injury (bony)


Type B1 is a posterior tension band injury where the fracture line only goes through the bony structure.

B-type injuries are in general a failure of the posterior or anterior tension band.

In the cervical spine this is a very uncommon injury.


X-ray/ CT

For a complete classification (AOSpine Cervical classification) of the injury, and for the management decisions, the following aspects must be considered.

  1. Neurology
  2. Facet injury
  3. Clinical modifiers
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