Heat stress in golf players in hot environments with and without fluid replacement

概要

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The purpose of the present study was to determine the offect on water intake on thermoregulatory and cardiovascular functions during a round of golf (18 holes) in the heat (30-33℃, 55-70% RH). Ten middle aged male subjects participated in two separate golf. During the first round of golf, the subjects played without fluid replacement(D) while playing with fluid replacement during the second round of golf (R). With D, body weight loss of 3.8% was accompanied by a 13.3% reduction in calculated plasma volume. With R on the other hand, little change of body weight loss was found and was accompanied by a 4.6% increase in the plasma volume. Both rectal temperatures and heart rates during golf were significantly higher in D than in R. The rectal temperature and the heart rate at the end of the game was 39.4℃ and 145bpm, and 116bpm, in D and R, respectively. It was concluded that the frequent fluid replacement during golf in high environmental temperatures was required to reduce thermal stresses on golfers.
中京大学の論文
1994-05-27