ACJ Dislocations

AC Dislocations

(originally Tossy and Allman-3 types)
Type I-AC ligament sprain
Type II-AC ligs torn,C/T intact
Type III-AC,C/T all torn
Type IV-AC,C/T all torn and distal clavicle buttonholes postero-superior into trapezius-marked/fixed dislocation
Type V-IV + deltoid and trapezius tear thus v.v.displaced
Type VI-AC,C/T all torn and distal clavicle goes inferior and trapped under coracoid process
Type VII-Total clavicular dislocation (AC and SC dislocation)

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