How are clavicle fractures categorized?

Updated: Jan 14, 2019
  • Author: Benjamin P Kleinhenz, MD; Chief Editor: Craig C Young, MD  more...
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Answer

Multiple attempts have been made to devise a classification scheme for clavicle fractures. The most common system is the following one, created by Allman, in which the clavicle is divided into thirds [1] :

  • Group I fractures: Middle third injuries

  • Group II fractures: Distal third injuries

  • Group III fractures: Medial (proximal) third injuries


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