Shoulder Girdle Flexion Force and Muscle Activities of Different Shoulder Positions

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  • TANAKA Naoki
    Department of Medical Welfare, Tohoku Bunka Gakuen University
  • NISHIYAMA Toru
    Japan Health Care College Office for Department of Rehabilitation
  • SUZUKI Hiroto
    Department of Medical Welfare, Tohoku Bunka Gakuen University Graduate School of Health and Environment Sciences, Tohoku Bunka Gakuen University
  • KAWAKAMI Shingo
    Department of Medical Welfare, Tohoku Bunka Gakuen University Graduate School of Health and Environment Sciences, Tohoku Bunka Gakuen University
  • FUJISAWA Hiroyuki
    Department of Medical Welfare, Tohoku Bunka Gakuen University Graduate School of Health and Environment Sciences, Tohoku Bunka Gakuen University

Bibliographic Information

Other Title
  • 肩関節肢位の違いによる肩甲帯屈曲筋力および筋活動の差異
  • カタカンセツシイ ノ チガイ ニ ヨル カタ コウタイ クッキョク キンリョク オヨビ キン カツドウ ノ サイ

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Abstract

[Purpose] This study was conducted to elucidate the differences of shoulder girdle flexion force and muscle activity among different shoulder positions. [Subjects] This study examined 30 young male adults with no history of shoulder joint impairment. [Methods] Shoulder girdle flexion force was measured at 0 and 90 degrees of shoulder flexion. The upper edge of the scapula spine angle was measured before force measurement. Surface electromyography was performed of the trapezius upper, pectoralis major, serratus anterior during force measurement. [Results] The maximum force was significantly higher at the 90-degree position, but the only muscle activity significantly higher than that at the 0-degree position was that of the serratus anterior. [Conclusion] The results of this study suggest that, for measurement and strengthening of the shoulder girdle flexion force, the serratus anterior muscle and scapula rotation angle configuration should be considered. <br>

Journal

  • Rigakuryoho Kagaku

    Rigakuryoho Kagaku 30 (3), 453-457, 2015

    The Society of Physical Therapy Science

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