Displaced and shortened clavicle shaft fractures can be treated operatively by intra- or extramedullary fixation. The aim of the study was to compare the effectiveness of these two treatment modalities. Forty seven patients with acute displaced and shortened clavicle shaft fractures were randomly assigned to either an intramedullary locked fixation group or an anatomically contoured locked plating group. All patients were operated by the same surgeon and had identical post-operative treatment regimes. The effectiveness of both treatment regimens were assessed based on; incision length, operative time and union rate. Disabilities of the Arm, Shoulder and Hand Score (DASH) and Constant Shoulder Score were assessed one year post-operatively.Introduction:
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