Abstract
The aim of the study is to establish statistical and chaotic regularities in the parameters behavior of the cardiovascular system in schoolchildren of the Khanty-Mansi Autonomous Okrug - Ugra at latitudinal displacements (from the North to the South of the Russian Federation and vice versa) and the effects of various climatic and geographic factors. Methods. Using pulse-intervalography method on the basis of the pulseoxymetry device "EL0KS-01" (instrumental software) information on the state of the cardiovascular system of the children and youth population was received. Results. After a two-week rest, the volume of the students' quasiatractor decreased, which indicated the activation of the regulatory mechanisms of the cardiovascular system and the healthful effect after a two-week stay in the South of Russia. Upon arrival in Surgut, the volume of the quasiatractor in girls decreased, and in boys increased sharply by 6 times. Thus, in girls, the response of the cardiovascular system was more pronounced and persistent than in boys, which showed a partial return to the initial state i.e. an insufficient formation of adaptive mechanisms. Serious gender differences were revealed which derated the cardiovascular system for boys. Conclusions. Within the framework of the new approach from the perspective of the chaos-self-organization theory, the features of the cardiovascular system's parameters of preadolescent population under the influence of various climatic and geographical factors were studied. Be means of new methods gender peculiarities of vegetative regulation of the organism of schoolchildren before and after the recreation activity in the South of Russia were analyzed.
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