Ferguson, M. A., Lennon, S., McCoy, S., & Mosher, P. (2002). Effects of different fluid intake patterns on thermoregulatory variables. Medicine and Science in Sports and Exercise, 34(5), Supplement abstract 771.

The effects of ingesting cool water in a single dose (1 liter) or intermittently (250 ml before, and at minutes 15, 30, and 45) on thermoregulatory variables were assessed. Moderately trained men and women (N = 6) completed the two treatments. One hour of cycling exercise (50% VO2max) was performed.

No differences were noted in temperature, heart rate, ratings of perceived exhaustion, or thirst scale scores between treatments.

Implication. The pattern of fluid intake does not affect thermoregulation.

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