Objectivity of FRAMI-Software for Judo Match Analysis

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Abstract:

The use of technology can greatly improve performance analysis in sport. The purpose of this paper is to present objectivity measures from the computer software for judo matches, called FRAMI. In order to verify objectivity measures, 573 matches of two different levels of championships (regional and state matches) were taped. Next, the data was assessed through intra and inter-observer testing procedures. In inter-observer comparison, the first expert selected 10 combats in a randomized form and had analyzed 20 athletes' performances, the second expert analyzed the same 20 athletes and the third expert analyzed the same 20 athletes. After this procedure, the last expert analyzed the same sample two more times for intra-observer testing. The following groups of match variables were considered: time structure; penalties; execution, orientation and scores of attack techniques, and; gripping types. In order to verify concordance, means were compared and a quartile criteria of the confidence interval was established by  ≥ 0.70, where concordance was classified as strong (q ≤ 30%), moderate (30% < q ≤ 60%) or weak (q > 60%). The computer program showed a strong concordance between and within the evaluators' comparisons, from a total of 42 criteria, since their replies were almost totally identical (86.11% are strong or absolute). Variables with weak classification will be grouped for better results. In conclusion, this software can clarify the understanding of technical and tactical judo match analysis with very good accuracy.

Keywords: PERFORMANCE ANALYSIS; TACTICS; TECHNIQUE

Document Type: Research Article

Publication date: August 1, 2011

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