Abstract
The purpose of the work is to develop a model for predicting changes in the functional state of athletes engaged in hand-to-hand combat, under the influence of a training load using psychophysiological indicators.
 Material and methods. The study involved 24 male athletes who are professionally engaged in hand-to-hand combat with full contact with the opponent (full contact), and 20 athletes. The average age of the athletes was 19-26 years. Research methods: analysis of scientific and methodological sources, psychophysiological, mathematical statistics, fuzzy logic.
 Results. The conducted studies proved the presence of significant differences in the values of psychophysiological indicators and the reaction to the training load of athletes with different levels of fitness, which made it possible to use these indicators to build a model for predicting the dynamics of a functional state. Changes in the functional state, determined by psychophysiological indicators, confirmed by corresponding changes in indicators of heart rate variability. The developed forecast model allows using two psychophysiological indicators (the time of a complex visual-motor reaction and the response index to a moving object), received to the load, to predict a change in the functional state of athletes engaged in hand-to-hand combat, with an overall accuracy of 95.5%. The forecast of changes in the functional state provides the trainer with the opportunity to timely adjust the volume of training loads and training regimen.
 Conclusions. Significant differences between groups of trained athletes and beginners in terms of the state of nervous processes (the time of a complex visual-motor reaction and the response index to a moving object) to the load were revealed, which allowed developing a model for predicting the functional reaction to the load in athletes with different levels of sportsmanship. Using the obtained model allows predicting changes in the functional state of athletes that will take place under the influence of the test load, according to psychophysiological indicators without using the load with an overall accuracy of 95.5%.
Highlights
Important characteristics of the central nervous system include sensorimotor reactionsToday's high-achieving sport places
The test load used to develop a model for predicting changes in the functional state of trained athletes is given in Table
Significant differences between groups of trained athletes and beginners by the indicators of the state of nervous processes of time of complex visualmotor reaction and the index of speed of reaction to a moving object to the load were revealed, which allowed to develop a model of forecasting of functional reaction to loading in athletes with different level of sportsmanship
Summary
Important characteristics of the central nervous system include sensorimotor reactionsToday's high-achieving sport places Simple and complex training and competitive load on the physiological visual-motor reaction characterize the features of the systems of the athlete is constantly increasing. This nervous processes in athletes, Martial Arts Quick and can cause an increase in the level of Accurate Response to Incentives When Determining adaptation-compensatory reactions, and negative Simple and Complex Visual Motor Response Time shifts in the functional systems of the body of Indicates Responsive Athlete Responses Against athletes, lead to overtraining, the emergence of Action during the hand-to-hand combat, which, donological and pathological conditions. Characteristics of sensory functions of adverse changes in the body, to classify states and to athletes of different specializations were studied by develop prevention and rehabilitation measures
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