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Objective: to evaluate the possibilities of normobaric hypoxic training (NHT) in the human brain protection from the damaging effects of oxygen defciency.Materials and methods: the study involved 18 men, aged 19-23 years, who underwent NHT: 15 treatments daily 2-hour stay in a hypoxic gas medium (HGM) having an oxygen content 15.0 ± 0.5% (HGM-15). Beforestarting the NHT (I phase), and afer 1-2 days afer its closure (II stage) were carried hypoxic samples (staying in HGM-15) before and during which the subjects were recorded the electroencephalogram (EEG) and mental performance were evaluated (the «Route» test).Results: when the frst hypoxic test was carried out, the subjects had a decrease in the alpha-rhythm index (on average by 10-15 %, p = 0.013) and its amplitude (by 10-12 %, p = 0.044) compared to the usual environmental conditions. At the same time, the share of low-amplitude slow waves increased (p = 0.019). Te integral indicator of the «Route» test during staying of the subjects in the HGM-15 decreased on average by 18% compared to the usual conditions (p

Objective: testing applications of aerocryothermal training (ACT) to emergency increase the cold resistance of persons exposed to low ambient temperatures. Materials and methods: the study involved 25 men at the age of 20-35 years (mean age of 28.2±2.1 years) who completed the ACT: 10 procedures of 2-5-minute stay in the cryochamber at a temperature of -150 ± 20C, in the process of which were evaluated parameters of thermal status and the reactivity of the indicators of systemic circulation.Results: as a result of ACT took place a gradual increase in stability of the subjects to hypothermia. Th is was evidenced by improved subjective tolerability eff ects, lengthening the time maximum duration of hypothermia (average 40% compared with the 1st procedure), slowing the rate of fall of rectal temperature (average 19%), reducing the reactivity of the indicators of system of blood circulation in hypothermia (average of 23-40%). Conclusion: aerocryothermal training is highly eff ective non-drug means to enhance the person sustainability to exogenic hypothermia.