Negative Work in Exercise Stints and Short Heat Exposure for Acclimation.
Final technical rept. 1 May 71-31 Jul 74,
PITTSBURGH UNIV PA DEPT OF OCCUPATIONAL HEALTH
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Eighteen young adults were subjected to daily treatments of 30 minutes of either light negative andor moderate to heavy positive work on a laddermill at 22C followed by 30 minutes of either 3.5 mph walk at 50C25C dbwb room temperatures or sitting under these ambient conditions with additional radiant heat, for four days. Their state of acclimatization was tested by exposure, up to 120 minutes, to 50C25C dbwb using the following specific criteria tolerance time t to 3.5 mph walk evelation of heart rate HR and rectal temperature Tre fall in mean skin temperature Tsk and change of sweating. A method of stints of exercise at room temperature followed by short heat exposures might prove an efficient method of acclimatization for large groups when time and hot spaces are wanting.
- Stress Physiology