Korean Journal of Applied Biomechanics (한국운동역학회지)

Korean Society of Applied Biomechanics (한국운동역학회)
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A Kinematic Analysis of the National Elite Cross-Country Skiers' Double Poling Technique

국가대표 크로스컨트리 스키 선수들의 Double Poling 기술의 운동학적 분석

  • Choi, Seul-Bi (Department of Physical Education, Graduate School of Kyunghee University) ;
  • Ryu, Jae-Kyun (Department of Coaching, College of Physical Education, Kyunghee University)
  • 최슬비 (경희대학교 일반대학원 체육학과) ;
  • 류재균 (경희대학교 체육대학 스포츠지도학과)
  • Received : 2011.04.30
  • Accepted : 2011.09.14
  • Published : 2011.09.30
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Abstract

This study aimed to examine the kinematic characteristics of the national elite cross-country skiers' double poling technique and to provide the quantitative data for better performance. Four male elite cross-country roller skiers skied maximum velocity with Double Pole technique. The cycle characteristics with angles of elbow, hip, and knee joint were analyzed. The results showed that CM velocity of the body was increased with the third cycle, the cycle time and length were also increased. The poling time and recovery time rate showed with 32.79%, 67.44% respectively. The joint angles with elbow, hip and knee were $106^{\circ}$, $133.14^{\circ}$ $156.87^{\circ}$ at pole in event, $158.94^{\circ}$, $65.7^{\circ}$, $140.19^{\circ}$ at pole out event. Elite skiers should decrease double poling time rate and increase recovery time rate in order to improve the double poling performance. The cycle length and velocity of the double poling should be increased for the better performance. The elbow angle should be minimized at pole in event with maximum extension until pole out event. The hip and knee angles should be increased for the recovery phase.

Keywords

References

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Cited by

  1. The Kinematic Analysis about Double Poling Technique of National Cross-Country Skiers at Start & Finish Phases vol.22, pp.1, 2012, https://doi.org/10.5103/KJSB.2012.22.1.095