Korean Journal of Applied Biomechanics (한국운동역학회지)

Korean Society of Applied Biomechanics (한국운동역학회)
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Kinematic Analysis of Accuracy Evaluation of Pyeongwon Poomsae

정확성 평가결과에 따른 태권도 평원 품새 동작의 운동학적 분석

  • Jo, Yong-Myung (Department of Physical Education, Graduate School of KyungHee University) ;
  • Ryu, Jae-Kyun (Department of Coaching, College of Physical Education, KyungHee University) ;
  • Kim, Young-Suk (Department of Physical Education, Graduate School of KyungHee University)
  • 조용명 (경희대학교 일반대학원 체육학과) ;
  • 류재균 (경희대학교 체육대학 스포츠지도학과) ;
  • 김영숙 (경희대학교 일반대학원 체육학과)
  • Received : 2015.10.31
  • Accepted : 2015.12.21
  • Published : 2015.12.31
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Abstract

Objective : The purpose of this study was to investigate the relations between accuracy score and the motions which are performed in PyeongWon Poomsae, thereby developing objectivity in accuracy evaluations for Poomsae competitions. Method : The subjects were six male Poomsae players (age: $21.2{\pm}1.17yrs$, height: $173.4{\pm}3.95cm$, weight: $67.7{\pm}7.65kg$). A three-dimensional motion analysis was performed on the subjects using six high-speed cameras (60 frames/sec) and subjects' performed motions were evaluated by 5 evaluators. The entire Pyeong Poomsae was divided into 13 events and 9 phases; there were three pairs of symmetric phases among them: front kick & turning side kick phases (3PH, 3-1PH), arm motion & stance phases (4PH, 4-1PH), side kick with Hakdari-stance phases (5PH, 5-1PH). Performance time, change and range of COM, height of vertex, and foot of side kicks were analysed. The Data was analysed utilizing correlation analysis. Results : There was a positive correlation between accuracy score and the difference between right and left range of COM (X direction) at 4PH (r=0.921, p=0.009). Conclusion : The results of our study indicate that it is necessary to consider some of objective criterion such as performance time, COM range, and symmetrical movements in accuracy evaluations of Poomsae competitions.

Keywords

References

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