태권도 숙련도 차이에 따른 돌려차기 운동 가변성 비교 분석
Comparison analysis of roundhouse kick movement variability according to teakwondo skill-level
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초록
본 연구는 숙련도에 따른 운동 가변성 차이를 확인하기 위해 태권도 선수와 비선수의 돌려차기동작을 3D 동작분석을 통해 관찰하였다. 또한 난이도에 따른 운동 가변성 차이를 확인하기 위해 허리와 머리 높이에서 돌려차기를 실시하도록 하였으며, 다음과 같은 결과를 도출하였다. 첫째, 골반과몸통에서 선수는 비선수보다 운동 가변성이 낮게 나타났다. 둘째, 난이도에 따른 운동가변성의 차이는 보이지 않았다. 셋째, 운동 과제 수행의 정확도를 측정해본 결과 머리 높이 타겟에서 선수의 운동 오차가 더 적은 것으로 나타났다. 넷째, 균형능력과 관련된 운동 수행력을 평가하기 위해 무게중심점의 이동 거리를 측정했으며, 선수의 무게중심점의 이동거리가 더 적은 결과를 나타났다. 위 결과들을 통해 태권도 선수는 돌려차기 시 비선수보다 체간(core)의 운동 가변성이 낮으며 보다 정확하고 안정적으로 동작을 수행하는 것을 확인하였다. 본 연구 결과는 향후 태권도 훈련 및 교육 전략을 수립하는 과정에서 체간의 운동 가변성의 중요성을 보여주고 있다.
Abstract
The purpose of this study is to identify differences in the movement variability according to the skilled-level using 3d analysis during the roundhouse kicks being performed by taekwondo athletes and non-athletes Participants were instructed to complete the roundhouse kick at the waist and head height to determine the difference of movement variability concerning task difficulty, and the results were derived as follows. First, athletes showed less movement variability in pelvis and trunk than the non-athlete group. Second, there were no significant differences in Movement variability for task levels. Third, in the result of measuring accuracy, the error rates at the head height target among athletes were lower than non-athletes. Fourth, the center of mass movement data was captured to calculate the exercise performance related to the balance ability, and athletes had a lesser center of mass movement than non-athletes. Considering all the results above, we were confirmed that the taekwondo athletes had lower movement variability in the core and performed the roundhouse kick motion more accurately and stably than non-athletes. Our findings indicate that movement variability in the trunk is an important feature to establish effective taekwondo training and educational strategy.
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