The Rlationship between the Trunk Muscles Activities and Postural Sway during One Leg Standing

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  • SUZUKI Tetsu
    Department of Rehabilitation, Kasaoka Daiichi Hospital Doctoral Program, Rehabilitation Graduate School of Health Science and Technology, Kawasaki University of Medical Welfare
  • HIRATA Junya
    Department of Rehabilitation, Kasaoka Daiichi Hospital
  • KURIKI Ayumi
    Department of Rehabilitation, Kasaoka Daiichi Hospital
  • TOMIYAMA Minori
    Department of Rehabilitation, Kasaoka Daiichi Hospital
  • WASADA Kazuki
    Department of Rehabilitation, Kasaoka Daiichi Hospital
  • ODA Kanae
    Department of Rehabilitation, Kasaoka Daiichi Hospital
  • TAKAHASHI Masahiro
    Department of Rehabilitation, Kasaoka Daiichi Hospital
  • WATANABE Susumu
    Department of Rehabilitation, Faculty of Health Science and Technology, Kawasaki University of Medical Welfare

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Other Title
  • 片脚立位時の体幹筋活動と重心動揺との関係
  • カタ アシリツイジ ノ タイカンキン カツドウ ト ジュウシン ドウヨウ ト ノ カンケイ

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Abstract

[Purpose] We investigated the characteristics of electromyographic trunk muscle activities and the relationship between the trunk muscle activities and postural sway during one-leg standing. [Subjects] Ten people (25.1 ± 4.4 years old) participated in this study. [Methods] Electromyographic trunk muscle activities and postural sway were evaluated during one-leg standing and twoleg standing. [Results] Thoracic and lumbar erector spinae and external oblique on the side of the raised leg were activated significantly more higher in one-leg standing than in two-leg standing. Lumbar multifidus and internal oblique on the side of standing leg had a tendency to be activated higher in one-leg standing. After some trunk muscle activities on the side of the raised leg and postural sway correlated significantly. [Conclusion] The results suggest that trunk muscle activities influence the balance ability during one-leg standing.<br>

Journal

  • Rigakuryoho Kagaku

    Rigakuryoho Kagaku 24 (1), 103-107, 2009

    The Society of Physical Therapy Science

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