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논문 기본 정보

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학위논문
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(서울과학기술대학교, 서울과학기술대학교 대학원)

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초록· 키워드

상세정보 수정요청해당 페이지 내 제목·저자·목차·페이지
정보가 잘못된 경우 알려주세요!
요 약
제 목 : 태권도 금강 품새 동작의 표현력 평가에 따른 운동
메커니즘 분석
이 연구는 태권도 금강 품새 동작의 표현력 평가에 따른 운동 메커니즘을 분
석한 것이다. 금강 품새 중 회전 동작의 운동학적 분석을 통해 경기 품새 채점
기준인 표현력 점수에서 정성적 방식을 정량적으로 판단 품새 경기의 공정한
채점 방식의 변화와 선수들의 경기력 향상 및 심판의 역량강화등 기초자료를
제공하는 것에 목적이 있다.
금강 품새 회전동작 돌아 큰 돌쩌귀 동작에 대해 우수선수들은 동작이 부드
럽게 시작 강하게 마무리하여 표현력점수에 있어 감점이 되는 사항이 적을 것
이라는 가설에서 연구를 시작했다.
관성센서 시스템을 이용 회전 동작 시 운동학적 데이터를 산출했다. 부드러움
을 정량적 변수로 측정 할 수 있는 것은 주로 저크(jerk)를 사용한다. 결과의
값이 0에 근접할수록 동작은 부드럽게 되었다고 판단되는 저크(jerk)는 위치의
좌표 값을 시간에 3번 미분한 것이다. 저크 코스트(jerk-cost)를 이용한다면 품
새 동작의 부드러움을 정량적으로 측정 할 수 있다.
실험에 참여한 우수 선수 5명 모두 큰 돌쩌귀(회전동작) 동작의 저크 코스트
의 합력, X-축(좌-우), Y-축(전-후), Z-축(수직)의 결과의 값은 성공에서 0에 가
깝게 나타나 유의한 차이를 보였다. 의미 있는 결과라 할 수 있다.
이처럼 사용된 관성 센서를 이용 동작 분석에 사용 한다면 기존에 이용되어
지는 촬영영상 분석 장비 보다 더 정확한 데이터 값을 얻을 수 있을 것 이라
생각 된다. 또 저크 코스트를 이용 동작의 부드러움을 정량으로 측정 품새 경
기의 채점기준인 표현력에서 공정성을 높일 수 있을 것이라 생각된다. 또한 선
수들의 경기력 향상 및 품새 경기에서 오심을 줄일 수 있고 심판교육 등 다양
하게 활용 될 수 있을 것으로 사료된다.

목차

  1. I. 서 론 ············································································································1
    1. 연구의 필요성 ······························································································1
    2. 연구의 목적 ·································································································2
    3. 연구 가설 ·····································································································3
    4. 용어의 정의 ·································································································3
    5. 연구의 제한점 ······························································································4
    II. 이론적 배경 ·································································································5
    1. 태권도 품새 경기의 이해 ·············································································· 5
    2. 태권도 품새 경기 채점 기준 ·········································································· 7
    3. 태권도 품새 경기 채점 방법 ·········································································· 9
    4. 태권도 품새 경기 채점방식의 문제점 ····························································11
    5. 저크 코스트 ······························································································ 11
    III. 연구 방법·································································································· 13
    1. 연구 대상 ································································································· 13
    2. 실험 도구 ································································································· 13
    3. 실험 절차·································································································· 14
    4. 자료 분석 ································································································· 16
    IV. 결과 ········································································································ 19
    1. 오른손의 저크 코스트 합력의 결과 값··························································· 19
    2. 오른손의 X-축(좌-우)의 저크 코스트 결과 값 ··············································· 20
    3. 오른손의 Y-축의 저크 코스트 결과 값 ························································· 22
    4. 오른손의 Z-축의 저크 코스트 결과 값 ·························································· 23
    V. 논 의 ······································································································· 26
    Ⅵ. 결 론 ······································································································· 29
    참고문헌 ········································································································ 31
    Abstract ······································································································· 33

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