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Interconnections between thermal perception and exercise capacity in the heat.
1Environmental Ergonomics Laboratory, Department of Physical Education and Kinesiology, Brock University, St. Catharines, Ontario, Canada. stephen.cheung@brocku.ca
Scandinavian Journal of Medicine & Science in Sports
|October 30, 2010
Summary
Exercise performance in heat is influenced by psychological factors and thermal perception, not just physiological limits. Interventions targeting thermal discomfort can improve endurance in hot conditions.
Area of Science:
- Exercise Physiology
- Environmental Psychology
- Neuroscience
Background:
- Exercise performance models suggest psychological factors modulate fatigue resistance.
- In hot environments, exercise capacity involves interplay between hyperthermia and thermal perception.
- Thermal receptors influence physiological responses and subjective homeostasis.
Purpose of the Study:
- To review interactions between thermal perception and exercise performance in heat.
- To explore the role of psychological factors in regulating exercise capacity in thermal stress.
Main Methods:
- Review of experimental evidence on physiological and psychological influences on exercise in heat.
- Analysis of studies demonstrating effects of physiological and psychological manipulations on thermal perception and performance.
Main Results:
- Increased fitness can attenuate thermal discomfort despite similar physiological strain.
- Psychological interventions effectively reduce perceived thermal strain and enhance exercise performance in heat.
- Evidence supports a neuroanatomical basis for thermal perception influencing physiological responses.
Conclusions:
- Thermal perception significantly interacts with exercise performance in hot environments.
- Psychological and physiological factors collectively regulate exercise capacity under thermal stress.
- Targeting thermal perception offers a viable strategy to improve heat adaptation for athletes.
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