Ability to Maintain One-leg Standing in a Simulated Skating Posture in Speed Skaters

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  • AKAHANE Katsushi
    Department of Physical Therapy, School of Health Sciences, Shinshu University
  • KIMURA Teiji
    Department of Physical Therapy, School of Health Sciences, Shinshu University
  • FUJIWARA Takayuki
    Koriyama Institute of Health Sciences
  • YAMAMOTO Iwao
    Department of Functional Polymer Science, Faculty of Textile Science and Technology, Shinshu University
  • HACHIMORI Akira
    Department of Functional Polymer Science, Faculty of Textile Science and Technology, Shinshu University

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Other Title
  • スピードスケート選手の滑走模擬姿勢における片脚立位保持能力について
  • スピード スケート センシュ ノ カッソウ モギ シセイ ニ オケル カタアシ リツイ ホジ ノウリョク ニ ツイテ

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Abstract

In speed skating, it is important for the skater to perform and maintain a steady one-leg standing posture on a thin edge while generating a strong propulsive force. However, there are no reports that have examined the relevance of skating performance and balance performance during one-leg standing in speed skaters. The purpose of the present study was to examine the relationship between balance performances during one-leg standing as a simulation of the skating posture in junior speed skaters, and to formulate an indicator for on-land training.<br> A total of 37 subjects, comprising 16 junior elite and 21 junior non-elite speed skaters volunteered to participate in this study. The method for analyzing their balance performance during one-leg standing posture involved analyzing the trajectory length (LNG), the peak value for center of gravity fluctuations (REC-A), and the area where fluctuations in the center of gravity were concentrated (SD-A) during a simulation of straight and curve skating posture.<br> The results show that the elite group demonstrated a lower value compared with the non-elite group in all of the factors analyzed. The results suggested that it was possible to relate the performance of one-leg standing during the simulated posture to their skating performance. Therefore, it is possible to compare the measurements during their one-leg standing performance as a simulation of their speed skating posture to their competitive skating performance.<br> It may be useful to introduce the maintenance of one-leg standing during simulation of the skating posture as a qualitative on-land training to improve the performance of speed skaters.

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