Effect of different stages on match outcomes during high level judo competitions

Bayram Ceylan; Furkan Öztürk; Sükrü Serdar Balci

doi:10.18002/rama.v15i1.6234

Authors

Bayram Ceylan Kastamonu University
Furkan Öztürk Selçuk University http://orcid.org/0000-0001-9621-9063
Sükrü Serdar Balci Selçuk University http://orcid.org/0000-0002-5735-3005

DOI:

https://doi.org/10.18002/rama.v15i1.6234

Keywords:

Combat sports, martial arts, judo, performance analysis, match analysis, event phase, efficiency index

Abstract

This study aimed to demonstrate the effect of successive stages of high-level judo competitions on match outcome and the factors effecting it. A total of 4550 official matches in both men and women were included in the analysis. Frequencies and percentages were used for descriptive statistics. Mean and standard deviations with 95% confidence intervals were also presented. The difference in the variables investigated for each stage of judo competitions was analysed with the Chi-square test. Continuous variables were analysed with the Kruskal-Wallis test. The way competitors won a match differed in elimination, final stages, and medal matches (p=.02). When the difficulty of the matches increased, the percentage of the matches ended with ippon decreased and the percentage of the matches resulted with waza-ari increased. The percentage of the matches without any shido decreased from the elimination to the finals while there was a significant increase in the percentage of the matches with shido (p=.01). The match duration was found to increase from eliminations to the finals (p=.00). The efficiency index of the winner athletes during the first stage was higher than the other stages (p<.05). In conclusion, high-level judo athletes won a match with different scores at different stages during high-level judo competitions. Moreover, athletes were awarded with penalties more during the finals compared to eliminations, and match duration incrementally increased from the eliminations to the finals.

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Author Biography

Bayram Ceylan, Kastamonu University

Department of Coaching Education

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