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Updated: May 23, 2026
08:22
A Preclinical Model of Exertional Heat Stroke in Mice
Published on: July 1, 2021
Lower skin temperature decreases maximal cycling performance.
Daiki Imai1, Kazunobu Okazaki, Shinya Matsumura
1Department of Environmental Physiology for Exercise, Osaka City University, Graduate School of Medicine, Japan.
Osaka City Medical Journal
|March 27, 2012
Summary
Whole body skin surface cooling before exercise significantly reduces anaerobic performance, particularly peak power and its initial rate of decline. This effect is strongly linked to the reduction in overall skin temperature.
Area of Science:
- Exercise Physiology
- Sports Science
- Thermoregulation
Background:
- Previous research indicates localized cooling impairs anaerobic performance.
- The impact of whole-body cooling on maximal anaerobic capacity remains understudied.
Purpose of the Study:
- To investigate the effects of whole-body skin surface cooling on maximal anaerobic capacity.
- To compare power output during the Wingate anaerobic test following preconditioning at 10°C versus 25°C.
Main Methods:
- Eight healthy males underwent a 60-minute preconditioning period using a perfusion suit at either 10°C or 25°C.
- Participants then performed a 30-second Wingate anaerobic test.
- Peak power (PP) and peak power slope (PS) were measured.
Main Results:
- Mean skin temperature was significantly lower after 10°C preconditioning.
- Both peak power (PP) and peak power slope (PS) were significantly reduced in the 10°C trial compared to the 25°C trial.
- Reductions in PP and PS were correlated with decreases in skin temperature.
Conclusions:
- Whole-body skin surface cooling before exercise demonstrably restricts anaerobic capacity.
- The initial phase of exercise, specifically peak power output, is most affected by pre-exercise cooling.
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