神戸大学附属図書館デジタルアーカイブ
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https://hdl.handle.net/20.500.14094/90005708
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2024-04-27
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90005708 (fulltext)
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メタデータID
90005708
アクセス権
open access
出版タイプ
Accepted Manuscript
タイトル
The influence of short-term sedentary behavior on circadian rhythm of heart rate and heart rate variability
著者
Miyagi, Rika ; Sasawaki, Yuh ; Shiotani, Hideyuki
著者名
Miyagi, Rika
著者名
Sasawaki, Yuh
著者ID
A0760
研究者ID
1000000294231
KUID
https://kuid-rm-web.ofc.kobe-u.ac.jp/search/detail?systemId=f9eba35c2f2c5cbf520e17560c007669
著者名
Shiotani, Hideyuki
塩谷, 英之
シオタニ, ヒデユキ
所属機関名
保健学研究科
収録物名
Chronobiology International
巻(号)
36(3)
ページ
374-380
出版者
Taylor & Francis
刊行日
2019
公開日
2020-05-01
抄録
The notion that sedentary behavior is harmful to human health is widespread. Little is known about the short term influence of sedentary behavior on heart rate (HR) and heart rate variability (HRV) circadian rhythms. Therefore the purpose of the present study was to examine the influence of short term sedentary behavior on the circadian rhythms of HR and HRV using cosine periodic regression analysis. Sixteen healthy young students were included in a randomized crossover study. All subjects underwent 24-h ECG Hotter monitoring in two different states of physical activity, an active condition (more than 15,000 steps per day) and a sedentary condition (less than 1,000 steps per day). Hourly mean values were calculated for HR and HRV, and then were evaluated using cosine periodic regression analysis. The circadian rhythm parameters, amplitude, mesor, and acrophase for HR and HRV variables were obtained. As a result, the significance of the circadian rhythm was confirmed for all variables in each condition. The measure of fit R2 value was decreased in sedentary condition. The amplitude of the sedentary condition was significantly smaller than that of the active condition with respect to HR (7.94 ± 1.91 bpm vs. 15.4 ± 3.93 bpm, p < 0.001), natural log of the high frequency measurement (InHF) (0.38 ± 0.21 ms2 vs. 0.80 ± 0.28 ms2, p < 0.001), and low frequency/high frequency ratio (LF/HF) (0.75 ± 0.54 vs. 1.24 ± 0.69, p = 0.008). We found that sedentary behavior not only significantly lowered the amplitude of HR and HRV variables, but also might have led to weakness of the circadian rhythm of the HR and HRV variables.
キーワード
Sedentary behavior
heart rate variability
circadian rhythm
cosine
periodic regression analysis
カテゴリ
保健学研究科
学術雑誌論文
権利
This is an Accepted Manuscript of an article published by Taylor & Francis in [Chronobiology International on 2019] available online: http://www.tandfonline.com/10.1080/07420528.2018.1550422
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資源タイプ
journal article
言語
English (英語)
ISSN
0742-0528
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eISSN
1525-6073
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関連情報
DOI
https://doi.org/10.1080/07420528.2018.1550422
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