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最終更新日：2026/10/08
内藤 貴司
ナイトウ タカシ
(Naito Takashi)
論文
- タイトル
- Effects of body cooling on aerobic exercise capacity under combined heat stress and mental fatigue
- タイトル（英）
- Effects of body cooling on aerobic exercise capacity under combined heat stress and mental fatigue
- 参照URL
- https://researchmap.jp/104089/published_papers/55038868
- 著者
- Takashi Naito,Tatsuya Saito,Hirotsugu Morinaga,Mariko Nakamura,Yohei Takai,Nobuhiko Akazawa
- 著者（英）
- Takashi Naito,Tatsuya Saito,Hirotsugu Morinaga,Mariko Nakamura,Yohei Takai,Nobuhiko Akazawa
- 担当区分
- 筆頭著者,責任著者
- 概要
- 概要（英）
- This study examined the effects of body cooling on thermoregulatory and perceptual responses during exercise under combined heat stress and mental fatigue. Seven moderately trained males completed three randomized trials: thermoneutral (22°C, CON), hot (35°C, HOT), and hot with cooling (35°C, COOL). Participants performed a cognitive task during 45 min of cycling at 50% maximal oxygen uptake (VO2max), followed by exercise at 75% VO2max until exhaustion. In COOL, participants ingested ice slurry (1.25 g/kg body mass every 5 min for 30 min) and wore an ice vest starting 40 min before exercise. Absolute time to exhaustion was shorter in HOT (441 ± 83 s) than in CON (623 ± 153 s) and COOL (571 ± 198 s), although differences were not statistically significant. Exploratory analysis showed a smaller reduction in time to exhaustion relative to CON in COOL than in HOT (92.7 ± 22.9% vs. 73.9 ± 21.3%). The increase in rectal temperature from baseline to exercise onset was lower in COOL than HOT. Mental fatigue increased following the cognitive task in all trials, with no differences among trials, and objective cognitive performance was unchanged. These findings suggest that cooling reduced thermal strain but did not significantly improve absolute aerobic exercise capacity.
- 出版者・発行元
- 出版者・発行元（英）
- Asociacion Espanola de Analisis del Rendimiento Deportivo
- 誌名
- Journal of Human Sport and Exercise
- 誌名（英）
- Journal of Human Sport and Exercise
- 巻
- 22
- 号
- 1
- 開始ページ
- 104
- 終了ページ
- 119
- 出版年月
- 2027年1月
- 査読の有無
- 査読有り
- 招待の有無
- 掲載種別
- 研究論文（学術雑誌）
- ISSN
- DOI URL
- https://doi.org/10.55860/caqcy191
- 共同研究・競争的資金等の研究課題