Influence of Passive Joint Motion on Muscle Output

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  • MURAKAMI Shigeo
    Department of Physical Therapy, Fukuoka International College of Health and Welfare
  • NAKAHARA Masami
    Department of Physical Therapy, Fukuoka International College of Health and Welfare

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Other Title
  • 他動的関節運動が筋出力に与える影響
  • タドウテキ カンセツ ウンドウ ガ キン シュツリョク ニ アタエル エイキョウ

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[Purpose] The purpose of this study was to clarify the effect of passive joint motion on maintaining or increasing muscle strength, as well as examining a practical method. [Subjects and Methods] The subjects were 39 healthy male students who were divided in to a control group, a passive joint motion group, and a passive joint motion with visual alerts group. Muscle output of the three groups was measured using a Biodex System 3 muscle function assessment dynamometer. [Results] Compared to the control group the maximum torque values of both knee extension and flexion were significantly lowered in the passive joint motion group. In the visual alerts group, only the maximum torque value of knee extension showed a significant decrease, and compared to the passive joint motion group the knee flexion maximum torque showed a significantly higher value. [Conclusion] Passive joint motion accompanied by visual alerts was partially involved with muscle output, suggesting that it could possibly be used to maintain or increase muscle strength.<br>

Journal

  • Rigakuryoho Kagaku

    Rigakuryoho Kagaku 23 (6), 737-739, 2008

    The Society of Physical Therapy Science

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