Purpose: to determine the possibility of increasing the level of physical preparedness for competitive judoist activity by means of hypoxic influences at the stage of gradual reduction of sport achievements. Result: after ten sessions of hypoxic effect during recurrent respiration in confined space and circular special training, a significant increase in the level of physical fitness and competitive activity of judo athletes is observed. The research materials are based on the laws of adaptation of the organism to a gradual decrease in the volume of oxygen (O2) in the respiratory air. In the process of integrated hypoxic training (IHT) cardiovascular (respiratory system) and respiratory systems (pulmonary ventilation (RMV), respiratory rate (RR), oxygen utilization factor (OUF2) were recorded, in addition, the percentage of carbon dioxide (FeCO2) and oxygen (FeO2) in the exhaled air were determined. To determine the dependence of the level of athletes 'preparedness on hypoxic stability, the linear multiple regression coefficient was used, which determines the level of each factor in the development of the level of physical qualities and indicators of athletes' competitive activity. Calculation of the coefficient of reverse step regression makes it possible to establish the most important factors in hypoxic productivity. Materials of the study: indicate the need to include in the training process hypoxic effects. The competition activity of judoists is carried out under the influence of complex hypoxic influences and therefore the inclusion of IHT and special physical hypoxic influences contributes to an increase in the level of anaerobic performance and special competitive activity. Conclusions: results of the conducted studies determined the adaptive patterns of the oxygen transport system of judoists to hypoxic influences at the stage of gradual reduction of sport achievements. Inclusion in the training process of interval hypoxic training and special sports hypoxic exercises contributed to an increase in the level of physical fitness and competitive activity, which gives grounds for the introduction of hypoxic means in practice.
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