Crossover-designed Study about Effect of Physical Exercise on Elderly's Mental Function

  • KAGE Haruko
    Yamaguchi Health and Welfare College Department of Public Health and Human Environment&Preventive Medicine, Yamaguchi University School of Medicine
  • OKUDA Masayuki
    Department of Public Health and Human Environment&Preventive Medicine, Yamaguchi University School of Medicine
  • NAKAMURA Ippei
    Yamaguchi Health and Welfare College Department of Public Health and Human Environment&Preventive Medicine, Yamaguchi University School of Medicine
  • KUNITSUGU Ichiro
    Department of Public Health and Human Environment&Preventive Medicine, Yamaguchi University School of Medicine
  • SUGIYAMA Shinichi
    Department of Public Health and Human Environment&Preventive Medicine, Yamaguchi University School of Medicine
  • FUJII Akihiro
    Yamaguchi Health and Welfare College
  • MATSUBARA Asako
    Yamaguchi Health and Welfare College
  • TAN Nobusuke
    Department of Exercise and Health Science Faculty of Education, Yamaguchi University
  • HOBARA Tatsuya
    Department of Public Health and Human Environment&Preventive Medicine, Yamaguchi University School of Medicine

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Other Title
  • 高齢者に対する運動介入が精神心理機能に及ぼす効果に関するクロスオーバー研究
  • コウレイシャ ニ タイスル ウンドウ カイニュウ ガ セイシン シンリ キノウ ニ オヨボス コウカ ニ カンスル クロスオーバー ケンキュウ

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The purpose of this study using a crossover design was to evaluate the effects of physical exercise on mental function of elderly persons. We also investigated self-efficacy to examine the effect of their psychological aspect on continuation of exercise.<br>The subjects were 22 community-dwelling elderly persons who were utilizing a geriatric day-care facility. Assessments included the Geriatric Depression Scale (GDS), the Mini Mental State Examination (MMSE), the Tokyo Metropolitan Institute of Gerontology Index of Competence as an index for activity of daily living (ADL), the Self-Management Skill Scale, and the Self Efficacy for Health Promotion Scale.<br>Level of depression, cognition and ADL were maintained during the physical exercise intervention, but it's effect on mental function could not be determined. There were no significant differences between changes at the intervention and nonintervention period in mental state (GDS, MMSE) and ADL.<br>Measured values of the Self Efficacy for Health Promotion Scale significantly correlated with change ratio of ADL, but those of the GDS and MMSE did not correlate with scales of self-efficacy. In order to evaluate psychological factors affecting continuation of exercise, we need to investigate not only self-efficacy but also their recognition and understanding about the purpose of physical exercise, their daily-life background, and their desire to be independent.

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