2022 Fiscal Year Final Research Report

Optimum exercise prescription for the control of diurnal eating behavior and energy balance in young and middle-aged adults

Research Project

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Project/Area Number	19H04023
Research Category	Grant-in-Aid for Scientific Research (B)
Allocation Type	Single-year Grants
Section	一般
Review Section	Basic Section 59030:Physical education, and physical and health education-related
Research Institution	Nakamura Gakuen College
Principal Investigator	Kumahara Hideaki 中村学園大学, 栄養科学部, 教授 (40389367)
Co-Investigator(Kenkyū-buntansha)	綾部誠也岡山県立大学, 情報工学部, 教授 (80407238) 飛奈卓郎長崎県立大学, 看護栄養学部, 准教授 (60509678) 吉村英一国立研究開発法人医薬基盤・健康・栄養研究所, 国立健康・栄養研究所栄養・代謝研究部, 室長 (70613214) 畑本陽一国立研究開発法人医薬基盤・健康・栄養研究所, 国立健康・栄養研究所栄養・代謝研究部, 研究員 (90738832)
Project Period (FY)	2019-04-01 – 2023-03-31
Keywords	身体活動 / 食欲 / エネルギー出納 / 栄養
Outline of Final Research Achievements	We clarified that in young adults, high-intensity exercise suppresses the acylated ghrelin and subjective appetite, and influences temporal food choice such that fat or protein intakes immediately after exercise is low. In contrast, moderate-intensity exercise does not find negative effects on the diurnal appetite-related hormones and feeding behavior. Furthermore, we found that an activity monitor based intervention, which aimed to increase habitual physical activity at the moderate intensity or above, ameliorates quality of physical activity and energy expenditure in the group of young adults. This intervention is not likely to cause deleterious effects on dietary intake.
Free Research Field	応用生理学
Academic Significance and Societal Importance of the Research Achievements	肥満や関連疾患の予防のための身体活動支援を行う際に，運動実施後の摂食行動に関する理解は重要である．中強度と高強度の運動に焦点をあて，運動の強度や持続時間が，食欲調節ホルモン・主観的食欲感情・実際の摂食に及ぼす1日に亘る急性影響を明らかにできた．また，中強度の身体活動に関する日常生活下での慢性影響の検討により，身体活動と摂食行動の側面における有効性も示した．これらのことは，青壮年期からの肥満および関連疾患の予防に寄与する身体活動促進支援法の開発の学術的基盤としての貢献が期待できる．