Abstract
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Abstract
The present study investigated the effects of half-time (HT) break cooling using
a fan and damp sponge on physiological and perceptual responses during the
2nd half of a repeated-sprint exercise in a hot environment.
Eight physically active men performed a familiarization trial and two
experimental trials of a 2×30-min intermittent cycling exercise protocol
with a 15-min HT break in hot conditions (35°C, 50% relative
humidity). Two experimental trials were conducted in random order: skin wetting
with a fan (FANwet) and no cooling (CON). During the 2nd
half, a repeated-sprint cycling exercise was performed: i. e.,
5 s of maximal pedaling (body weight×0.075 kp) every
minute, separated by 25 s of unloaded pedaling (80 rpm) and
30 s of rest. Rectal temperature, skin temperature (chest, forearm,
thigh, and calf), heart rate, physiological strain index, rating of perceived
exertion, thermal sensation, and comfort were significantly improved in the
FANwet condition (P
Description
Cooling with a fan and damp sponge mitigates physiological strain during exercise in heat.