NEUROVEGETATIVE SYSTEM CONDITIONS DURING WINTER MARATHON IN MEN

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Abstract

Introduction: Long-duration physical activity in winter is associated with significant demands for neurovegetative system. Aim: To explore the changes in the parameters of sympathetic and parasympathetic neurovegetative systems in men during a winter marathon. Methods: Parameters of the sympathetic and parasympathetic nervous systems of the group were estimated in 15 men after the winter marathon (50 km) using an automated computer-based system. Pairwise comparisons matrices of the parameter of the sympathetic and parasympathetic systems before and after the marathon were performed. There were found the k numbers of pair samples that had a common general population. Results: Four matrices of pairwise comparisons were constructed and shown the increasing of the proportion of stochastic from k1 = 11 to k2= 13 for the sympathetic autonomic nervous system. Conclusions: An equidirectional dynamic of stochastic's proportion changes before and after the marathon is observed. For the sympathetic and parasympathetic systems, the drop of chaos is observed, but we still can make a conclusion on the statistical instability of the samples.

About the authors

V. M. Eskov

Federal Science Center Scientific-research Institute for System Studies of the Russian Academy of Sciences

Email: filatovmik@yandex.ru
заслуженный деятель науки Российской Федерации, доктор физико-математических наук, доктор биологических наук, профессор, главный научный сотрудник, зав. отделом биофизики и нейрокибернетики

V. F. Pyatin

Samara State Medical University

V. A. Galkin

Federal Science Center Scientific-research Institute for System Studies of the Russian Academy of Sciences

L. S. Chempalova

Samara State Technical University

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Copyright (c) 2021 Eskov V.M., Pyatin V.F., Galkin V.A., Chempalova L.S.

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