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  • Title: Responses of physically active and acclimatized men and women to exercise in a desert environment.
    Author: Wells CL.
    Journal: Med Sci Sports Exerc; 1980; 12(1):9-13. PubMed ID: 7392906.
    Abstract:
    In most studies of physiological responses of men and women to exercise in the heat, the subjects are unacclimatized and the females are unaccustomed to strenuous physical activity. In this investigation, 5 men and 6 women known to be physically active in an outdoor hot-dry environment were studied in a temperate environment (Tdb=23C, WBGT=18C) and in an outdoor desert environment (Tdb=39C, WBGT=29C) during rest and exercise at 50% Vo2max. No differences between the groups occurred in Vo2, HR or Tre in either environment. Of greatest interest was that no differences occurred in evaporative weight losses, sweating rates, or % body weight losses in the heat. It was concluded that (1) women accustomed to exercise in a desert climate are able to substantially increase their sudorific response, and (2) that acclimatized male and female subjects of similar aerobic capacity have comparable responses to rest and exercise in a desert environment.
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