<b>弾性胸帯を用いた胸郭制限が定常負荷運動時の自律神経活動に及ぼす影響 </b>

DOI
  • 根木 亨
    札幌医科大学大学院保健医療学研究科 札幌医科大学保健医療学部理学療法学第二講座
  • 岩本 えりか
    札幌医科大学保健医療学部理学療法学第二講座
  • 片野 唆敏
    札幌医科大学大学院保健医療学研究科 札幌医科大学オホーツク医療環境研究講座
  • 大岩 正太郎
    札幌医科大学大学院保健医療学研究科 NTT東日本札幌病院
  • 澤口 雄治
    札幌医科大学大学院保健医療学研究科 NTT東日本札幌病院
  • 角谷 尚哉
    札幌医科大学大学院保健医療学研究科 帯広協会病院
  • 佐藤 太軌
    札幌医科大学大学院保健医療学研究科 札幌医科大学医学部医学科
  • 片寄 正樹
    札幌医科大学保健医療学部理学療法学第二講座

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  • <b>Effect of chest wall restriction using an elastic chest band on autonomic nervous function during steady-state exercise </b>

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<p>Purpose: We examined the effect of chest wall restriction（ CWR） using an elastic chest band on cardiorespiratory function and autonomic nerve function during steady-state exercise. Methods: Twenty-one healthy subjects performed 9 min of steady-state exercise at a work rate of 80% of ventilatory threshold on a cycle ergometer under CWR and non-CWR. Borg scale ratings of dyspnea, respiratory rate, heart rate, blood pressure, low-frequency （LF） power and highfrequency （HF） power of RR intervals, and the LF/HF ratio were measured during exercise. Blood pressure was measured at rest and at the final 1 min at the end of exercise. Results: Borg scale ratings, the respiratory rate, and heart rate under CWR were significantly higher than those under non-CWR. There was no significant difference in blood pressure at the final 1 min at the end of exercise between CWR and non-CWR. The HF component under CWR was significantly lower than that under non-CWR, whereas the LF/HF ratio under CWR was significantly higher than that under non-CWR. Conclusion: These results indicate that chest pressure fixation by an elastic chest band facilitates sympathetic nerve activity and constricts parasympathetic activity during steady-state exercise.</p>

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