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Effects of physical activity intervention on the circadian rhythm of body temperature and the amount of salivary melatonin at bedtime in elementary school students

Research Project

Project/Area Number 15K01504
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Developmental mechanisms and the body works
Research InstitutionUniversity of Hyogo

Principal Investigator

SHIBATA MASASHI  兵庫県立大学, 看護学部, 教授 (00254467)

Research Collaborator SHIBATA SHIORI  神戸市看護大学, 看護学部, 准教授 (70254480)
Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2017: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2016: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2015: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywordsサーカディアンリズム / 体温 / 子ども / 身体活動 / 社会的時差 / 児童 / 生体リズム / 身体活動量 / 舌下温
Outline of Final Research Achievements

The level of physical activity (PA) in children changes with seasons; it decreases during winters when the outside temperatures are low. During winter, various circadian rhythm phases, including those for body temperature, are believed to be delayed.
The current study indicates that the levels of PA and melatonin of elementary school children at bedtime during the winter decreases, indicating delayed phases of body temperature rhythm. This in turn suggests the possibility that body temperature decreases at wake-up time. However, if high levels of PA can be maintained or increased because of exercise intervention during winter, it may help maintain and even advance the body temperature rhythm phases.

Report

(4 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • 2015 Research-status Report
  • Research Products

    (2 results)

All 2017 2016

All Presentation (2 results)

  • [Presentation] 児童における社会的時差が体温概日リズムに及ぼす影響2017

    • Author(s)
      柴田真志、柴田しおり
    • Organizer
      日本睡眠学会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 児童における身体活動量の増減が体温概日リズムに及ぼす影響2016

    • Author(s)
      柴田真志、柴田しおり
    • Organizer
      日本睡眠学会第41回学術集会
    • Place of Presentation
      京王プラザホテル(東京都新宿区)
    • Year and Date
      2016-07-07
    • Related Report
      2016 Research-status Report

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Published: 2015-04-16   Modified: 2019-03-29  

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