• A Kristen, U Culemann, R Fremd, and T Pohlemann.
• Klinik für Unfall-, Hand- und Wiederherstellungschirurgie, Universitätsklinikum des Saarlandes, Kirrberger Str. 1, 66421, Homburg/Saar. alexander.kristen@uks.eu
• Unfallchirurg. 2008 Jun 1; 111 (6): 395-402.

BackgroundEvaluation of a reduction is currently a static procedure. The purpose of this study was to evaluate a model for analyzing the whole dynamic component of the reduction path up to the final result: the optimal reduction. The entire reduction procedure should be able to be retrospectively analyzed, both qualitatively and quantitatively.MethodsTwo examiners of different experience levels had to solve multiple predefined tasks, which were noted with the assistance of a motion tracking system in all space axes. The noted paths of reduction were then analyzed with the MATLAB program and some additional quantitative and qualitative tools.ResultsBoth examiners had to accomplish a typical number of characteristic movement samples in typical number, in order to arrive at the same final result. After the temporal component was eliminated, the reduction process showed typical turning points that represented essential conditions for achieving an optimal result.ConclusionUsing the presented model the paths in a reduction process can be achieved as data in a simple manner. These data are supplied in a second work procedure of an automated evaluation. Thus, multiple possibilities result for retrospective analysis of the data regarding the dynamic process of a reduction.

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