Abstract
The effect of a single intake of piracetam (0,4 g), phenibut (0,25 g) and obsidan (0,08 g) on the thermal state, gas-energy exchange, cardiovascular system, physical working capacity and subjective status of 22 sportspersons performing submaximal physical loads in the ambient conditions of heightened temperature (31 ± 1) °C, high humidity (80 ± 1) % and low air movement (0,3 ± 0,1) m/s. It was established that these drugs increased thermoresistance, maintained a high level of physical working capacity and reduced the negative influence of hyperthermia on human subjective status. Obsidan produced a normalizing effect on the cardiovascular system during the development of hyperthermia.
