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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국사회체육학회 한국사회체육학회지 한국사회체육학회지 제31권
발행연도
2007.11
수록면
1,117 - 1,127 (11page)
DOI
10.51979/KSSLS.2007.11.31.1117

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초록· 키워드

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The purpose of the study was to examine a kinematic character and principle of 540˚ Momdollyo huryo chagi in Taekwondo and to propose various kinematic variables and quantitative data of legs`segment when Taekwondo leaders in the actual site and national special elite model members are in action. The study had a kinematic analysis of action with 3 members of national team in Taekwondo, utilizing a 3D video analysis system to achieve the above-mentioned study and got the result as follows. 1) Action in take off section out of the whole action took the longest time as 51.55% to make a complete action and to prevent damage which may happen at the time of landing. 2) It is an action to make an accurate hit for the objective in the final impact section when the left knee joint and the right knee joint reach a flying section after passing by a takeoff section and it is the most important to keep the same height of both knee joints in the flying section. 3) When they secured duration of flight by increasing speed by rapid rotation to the left while the right leg joint rotated 360˚, the left ankle joint hit the objective by increasing speed steeply to the impact section. 4) The left ankle joint reduced the moment of inertia by rotating 360˚ to the flexion in the side of the abdomen and raised an angle largely to hit the objective in the impact section by rotating the remainder of 180˚. 5) Angular speed and angular acceleration got quicker in order of hip, ankle joint and knee joint in the left leg joint to hit the objective. The left ankle joint out of those increased angular speed of more than 3 times and angular acceleration of more than 8 times steeply in the impact section which its flying section finished to make strong shock power in the impact section and the knee joint increased steeper angular speed of more than 11 times and steeper angular acceleration of more than 12 times in the impact section.

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