Heat Acclimation

Sébastien Racinais; Michael Sawka; Hein Daanen; Julien D. Périard

doi:10.1007/978-3-319-93515-7_8

Heat Acclimation

Sébastien Racinais^*, Michael Sawka, Hein Daanen, Julien D. Périard

^*Corresponding author for this work

Physiology

Research output: Chapter in Book / Report / Conference proceeding › Chapter › Academic › peer-review

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Abstract

Physical exercise under heat stress can impair performance through multiple physiological mechanisms including cardiovascular, central nervous system, and skeletal muscle metabolism factors. However, repeated heat exposure that increases whole-body temperature, stimulates profuse sweating, and stresses the cardiovascular system, leads to increases in blood volume, decreases in core and skin temperatures, and induces important molecular adaptations that stimulate physiological heat acclimation. These integrated physiological adaptations act to improve exercise capacity in the heat, as well as minimise the risk of exertional heat illness. Most physiological benefits are noticeable within a few days of daily heat exposure, but the full benefits take about 2 weeks or longer to improve exercise capacity in the heat.

Original language	English
Title of host publication	Heat Stress in Sport and Exercise
Subtitle of host publication	Thermophysiology of Health and Performance
Editors	Julien D. Périard, Sébastien Racinais
Publisher	Springer International Publishing
Chapter	8
Pages	159-178
Number of pages	20
ISBN (Electronic)	9783319935157
ISBN (Print)	9783319935140
DOIs	https://doi.org/10.1007/978-3-319-93515-7_8
Publication status	Published - 2019

Bibliographical note

Publisher Copyright:
© Springer Nature Switzerland AG 2019.

Keywords

Decay
Heat acclimatization
Plasma volume
Sweat rate
Thermal tolerance
Training

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10.1007/978-3-319-93515-7_8

Heat AcclimationFinal published version, 632 KBLicence: Article 25fa Dutch Copyright Act

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AU - Sawka, Michael

AU - Daanen, Hein

AU - Périard, Julien D.

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AB - Physical exercise under heat stress can impair performance through multiple physiological mechanisms including cardiovascular, central nervous system, and skeletal muscle metabolism factors. However, repeated heat exposure that increases whole-body temperature, stimulates profuse sweating, and stresses the cardiovascular system, leads to increases in blood volume, decreases in core and skin temperatures, and induces important molecular adaptations that stimulate physiological heat acclimation. These integrated physiological adaptations act to improve exercise capacity in the heat, as well as minimise the risk of exertional heat illness. Most physiological benefits are noticeable within a few days of daily heat exposure, but the full benefits take about 2 weeks or longer to improve exercise capacity in the heat.

KW - Decay

KW - Heat acclimatization

KW - Plasma volume

KW - Sweat rate

KW - Thermal tolerance

KW - Training

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Heat Acclimation

Abstract

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Keywords

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