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https://hdl.handle.net/20.500.14094/90005645
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2024-04-26
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90005645 (fulltext)
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メタデータID
90005645
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open access
出版タイプ
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タイトル
Effect of ice slushy ingestion and cold water immersion on thermoregulatory behavior
著者
Choo, Hui C ; Peiffer, Jeremiah J. ; Lopes-Silva, João P. ; Mesquita, Ricardo N. O. ; Amano, Tatsuro ; Kondo, Narihiko ; Abbiss, Chris R.
著者名
Choo, Hui C
著者名
Peiffer, Jeremiah J.
著者名
Lopes-Silva, João P.
著者名
Mesquita, Ricardo N. O.
著者名
Amano, Tatsuro
著者ID
A0541
研究者ID
1000070215458
KUID
https://kuid-rm-web.ofc.kobe-u.ac.jp/search/detail?systemId=f271f58d8a182b6d520e17560c007669
著者名
Kondo, Narihiko
近藤, 徳彦
コンドウ, ナリヒコ
所属機関名
人間発達環境学研究科
著者名
Abbiss, Chris R.
収録物名
PLoS ONE
巻(号)
14(2)
ページ
e0212966-e0212966
出版者
Public Library of Science
刊行日
2019-02-27
公開日
2019-03-07
抄録
Two studies were conducted to examine the effects of ice slushy ingestion (ICE) and cold water immersion (CWI) on thermoregulatory and sweat responses during constant (study 1) and self-paced (study 2) exercise. In study 1, 11 men cycled at 40–50% of peak aerobic power for 60 min (33.2 ± 0.3˚C, 45.9 ± 0.5% relative humidity, RH). In study 2, 11 men cycled for 60 min at perceived exertion (RPE) equivalent to 15 (33.9 ± 0.2˚C and 42.5 ± 3.9%RH). In both studies, each trial was preceded by 30 min of CWI (~22˚C), ICE or no cooling (CON). Rectal temperature (Tre), skin temperature (Tsk), thermal sensation, and sweat responses were measured. In study 1, ICE decreased Tre-Tsk gradient versus CON (p = 0.005) during first 5 min of exercise, while CWI increased Tre-Tsk gradient versus CON and ICE for up to 20 min during the exercise (p<0.05). In study 2, thermal sensation was lower in CWI versus CON and ICE for up to 35–40 min during the exercise (p<0.05). ICE reduced thermal sensation versus CON during the first 20 min of exercise (p<0.05). In study 2, CWI improved mean power output (MPO) by ~8 W, compared with CON only (p = 0.024). In both studies, CWI (p<0.001) and ICE (p = 0.019) delayed sweating by 1–5 min but did not change the body temperature sweating threshold, compared with CON (both p>0.05). Increased Tre-Tsk gradient by CWI improved MPO while ICE reduced Tre but did not confer any ergogenic effect. Both precooling treatments attenuated the thermal efferent signals until a specific body temperature threshold was reached.
カテゴリ
人間発達環境学研究科
学術雑誌論文
権利
© 2019 Choo et al.
This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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資源タイプ
journal article
言語
English (英語)
eISSN
1932-6203
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関連情報
DOI
https://doi.org/10.1371/journal.pone.0212966
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