Impacto das mudanças de regras no perfil técnico na luta de taekwondo: 2005 a 2015

Abstract

INTRODUCTION: Taekwondo is a Korean origin fighting sport became an Olympic sport at the Sydney Games in 2000. The World Taekwondo Federation is the main organ responsible for the formulation and implementation of competition rules and other regulations of the sport. The main rule changes from 2001 to 2014 that may influence the technical profile of the competitors are: decreased area competition, insertion electronic protectors and the new criteria scoring. This study aims to determine the impacts of changes in Taekwondo fighting rules in the technical movements of competitors. METHODS: The sample consisted of 24 final fights of competitions: the 2005 World Cup, 2012 Olympic Games and World Championships in 2015. The technical variable was collected through systematic observation of videotaped images. The videos were seen by Quintic Player v26 software. In the inferential analysis was used to one-way ANOVA to compare the techniques used in the years 2005, 2012 and 2015. The level of significance was set at p <0.05. a Post hoc Tukey test was used to identify possible differences. RESULTS: A total of 364 techniques in 2005, in 2012 obtained a total of 866 technical and in 2015 were registered in 1002 techniques. The most commonly performed techniques were apdolio and timio apdolio in 2005, and apdolio yop in 2012 and apdolio and timio yop in 2015. There was a significant increase in the use of the front leg and increased the number of techniques applied to the head and held with spins competition 2015 compared the previous. CONCLUSION: This study showed that there were impacts on technical actions in Taekwondo fighting after the changes in the rules. It was noted that the numbers and range of shots increased making it more dynamic combat; athletes began to perform more techniques applied in the head, with rotating and also the punch; the kicks are being conducted mostly with the front leg and attack actions increased.