Heat Acclimation

Sebastien Racinais; Michael N. Sawka; Hein A M Daanen; Julien PERIARD

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

Heat Acclimation

Sebastien Racinais, Michael N. Sawka, Hein A M Daanen, Julien PERIARD

UC Research Institute for Sport & Exercise

Research output: A Conference proceeding or a Chapter in Book › Chapter › peer-review

8 Citations (Scopus)

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
Place of Publication	Cham, Switzerland
Publisher	Springer
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 - 1 Jan 2019

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

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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.",

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AU - Racinais, Sebastien

AU - Sawka, Michael N.

AU - Daanen, Hein A M

AU - PERIARD, Julien

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N2 - 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.

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.

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KW - Plasma volume

KW - Sweat rate

KW - Thermal tolerance

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BT - Heat Stress in Sport and Exercise

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Heat Acclimation

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