Abstract
Introduction. The author considers the importance of satisfactory physical condition of young officers during the performance of professional duties. The power of the circulatory system under the influence of loads of different capacities is considered in detail. The relationship between the tension of regulatory systems and the level of blood circulation is shown. Purpose. Identify and characterize the theoretical foundations of assessment and correction of functional states of young officers based on heart rate variability.Methods. Search on the available methodical and scientific literature with the analysis of the found material, clarification of causal relations, systematization, the analysis of documentation and results of activity of researchers on a problem of the spent research. To achieve the goal of the study used theoretical analysis, comparison, generalization and systematization of literature sources, including the study of empirical data on specific issues.Originality. The scientific novelty of the work lies in the availability of original research material in the direction of the study. The practical value lies in the presence of theoretical material on the study, eliminated among other things in the process of finding information on the topic, and in the systematization of the material of the research direction. It is noted that a set of tools should be used to determine a complete picture of the amount of functional reserve. The concept of "heart rate variability" is described. Varieties of methods of analysis of heart rate variability are determined. The peculiarities of the use of the hardware-programmed complex "Fazagraf" in the context of basic parameters are analyzed: standard deflection of RR-intervals, spectral power density in the low-frequency range, intensity index, parameter of spectral analysis of heart rate. The use of cardiointervalography is described. The effectiveness of using the Polar RS800CX remote heart rate monitor and the Polar Pro Trainer software package to obtain heart rate variability is reported. It is stipulated that during the research it is expedient to focus on such indicators as Total Power, High Frequency, Low Frequency, and Very Low Frequency. Three approaches to HRV analysis using geometric methods are characterized: measurement of parameters directly from the constructed geometric figures; approximation of the heart rate pattern through the construction of geometric shapes; direct description and interpretation of the form of constructed geometric figures of heart rhythm. It is noted that the main method of geometric analysis is the construction and analysis of histograms of heart rhythm. The study has a deeper degree of analysis of the research area, based on previous research by scientists, dissertators and researchers.Conciusion. Military-professional activity of young officers is carried out in the conditions of a wide range of factors influencing and is characterized by high physiological "cost" of results of military activity. The technology of diagnostics of the functional state of the body of young officers is proposed, which is a set of physiologically justified structural and functional components.
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