Supplement abstract 891. Fluids and food were consumed during the exercise. One hour after completion, S was immersed up to the neck in water at 22 degrees Celsius until his temperature reached 35.5 degrees. The immersion was repeated several weeks later while in a rested state. In fatigue, the temperature drop took 27 minutes but in the control condition was 70 minutes.
Extensive fatigue reduces the ability to defend against body cooling.
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