Korean Journal of Applied Biomechanics (한국운동역학회지)

Korean Society of Applied Biomechanics (한국운동역학회)
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The Kinematic Analysis about Double Poling Technique of National Cross-Country Skiers at Start & Finish Phases

국가대표 크로스컨트리 스키 선수들의 Start & Finish 구간에 대한 Double poling 기술의 운동학적 분석

  • Choi, Seul-Bi (Department of Physical Education, Graduate School of Kyung Hee University) ;
  • Ryu, Jae-Kyun (Department of Coaching, College of Physical Education, Kyung Hee University)
  • 최슬비 (경희대학교 대학원 체육학과) ;
  • 류재균 (경희대학교 체육대학 스포츠지도학과)
  • Received : 2012.01.31
  • Accepted : 2012.03.20
  • Published : 2012.03.31
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Abstract

The purpose of this study targeted to national cross-country skiers representatives was to implement hypothetical experiment on their patterns of the movements and analysis on kinematic variables occurred while double polling was conducted between starting and finishing phase of 56 meters. Furthermore, it aimed to provide a set of quantitative data to illustrate how to improve one's skill and performance of sprint. In our experiments, we conducted 3-dimension analysis of cycle characteristics, joint angle(hip, knee and elbow), and pole angle. The results showed that at the starting phase, the players did not show a significant difference in attributes of time and distance. In heat 1 where elbow angle and polling starts, the pole angle was noticeably high in heat 1. At the finishing phase, there was a considerable distinction with a high frequency in performing a short polling time and high speed in heat 3. The players showed large extension between the flexion and of the hip angle which indicates high contribution given from the movement of lower body(hip, knee).

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References

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