健常タイプA者の心臓血管系ストレス反応に及ぼす運動習慣の効果 : 横断的検討

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  • Effects of exercise habits on cardiovascular reactivity to a psychological stressor in healthy Type A individuals : a cross-sectional study
  • ケンジョウ タイプ Aシャ ノ シンゾウ ケッカンケイ ストレス ハンノウ ニ オヨボス ウンドウ シュウカン ノ コウカ オウダンテキ ケントウ

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A study was conducted to clarify the effects of exercise habits on cardiovascular reactivity to a psychological stressor in healthy Type A individuals. Ninety male and 88 female undergraduate students were initially recruited to complete the student version of the Jenkins Activity Survey as a measure of their Type A behavior pattern (TABP). Subjects were identified as Type A or Type B based on their TABP scores. They were then assigned to an exercise (E) or non-exercise (NE) group according to their exercise habits. Six females and six males each made up the 4 condition groups (Type A-E, Type A-NE, Type B-E and Type B-NE). Cardiovascular reactivity (heart rate:HR and skin temperature:ST) was assessed during the time periods of baseline, mirror drawing test (MDT) and recovery for all subjects. Results revealed that Type A individuals had greater and more rapid HR reactivity than Type B individuals and that male Type A subjects showed significantly greater ST reactivity relative to female Type A and Type B subjects. Only males showed a significant main effect of exercise habits on HR reactivity during the MDT. The E group demonstrated more rapid HR recovery following the task than the NE group. During the MDT, Type A individuals showed significantly greater ST reactivity than Type B subjects in the NE group, while there was no difference of TABP type in ST reactivity in the E group. Also, no significant main effect and interaction was shown in the MDT performance. These results suggest that exercise habits contribute to the lowering of cardiovascular reactivity to a psychological stressor and indirectly to the prevention of cardiovascular diseases for Type A individuals.

収録刊行物

  • 体育学研究

    体育学研究 46 (6), 553-567, 2001

    一般社団法人 日本体育・スポーツ・健康学会

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