Temperaturregulation bei langdauernder schwerer körperlicher Arbeit

✍ Scribed by J. Kitzing; D. Kutta; A. Bleichert

• Book ID: 104740702
• Publisher: Springer
• Year: 1968
• Tongue: English
• Weight: 710 KB
• Volume: 301
• Category: Article
• ISSN: 0031-6768
• DOI: 10.1007/bf00363771

✦ Synopsis

During 2 hours exercise (15 mkp/see) on the byciele ergometer in different environments (--4 to +32 ° C) the following findings were obtained:

1. The time course of the body temperature (BT) measured in the lower oesophagus, depends during the whole experiments on the climate. First the BT rises steeply, in the cold higher than in the warm. Then (after 20--30 min exercise) the BT rises slowly in the warm, or falls slowly in the cold. The curves of BT at different climates intersect after about I hour of exercise.

2. The oxygen consumption is under our experimental conditions independent of the environment temperature.

3. The weight loss is proportional to the environment temperature till 25 ° C. At a higher temperature the weight loss increases more steeply.

4. Between 0 and 11 ° C the heart rate remains nearly constant during the work; with rising room temperature the heart rate increases continuously.

Our experiments indicate, that it is not necessary to suppose that resetting of the body thermostat takes place during exercise.