Abstract
The capacity to perform exercise is reduced in a hot environment when compared to cooler conditions. A limiting factor appears to be a higher core body temperature (T (core)) and it has been suggested that an elevated T (core) reduces the drive to exercise, this being reflected in higher ratings of perceived exertion (RPE). The purpose of the present study was to determine whether passive heating to increase T (core) would have a detrimental effect on RPE and thermal comfort during subsequent exercise in the heat and whether head-cooling during passive heating would attenuate these unpleasant sensations of an elevated T (core) during subsequent exercise in the heat. Nine physically-active, non-heat-acclimated volunteers [6 males, 3 females; age: 21 +/- 1 year, [Formula: see text] 50 +/- 9 ml kg(-1).min(-1), peak power output: 286 +/- 43 W (mean +/- SD)] performed two 12-minute constant-load cycling tests at 70% [Formula: see text] in a warm-dry environment (34 +/- 1 degrees C, relative humidity
Original language | English |
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Pages (from-to) | 281-8 |
Number of pages | 8 |
Journal | European Journal of Applied Physiology |
Volume | 104 |
Issue number | 2 |
DOIs | |
Publication status | Published - 1 Sept 2008 |
Keywords
- thermal comfort
- perceived exertion
- exercise
- hyperthermia
- head-cooling