Assessment of the stability of body functional systems in orienteers.

The article deals with developing a physiologically and psychologically justified program for improving functional stability in orienteers in the changing conditions of sports performance. The study was conducted from 2015 to 2018 on the premises of the scientific laboratory and in the field experiment. 25 orienteers (males and females) aged 17-20 years participated in the study. The experiment was conducted as a comprehensive control aimed at the assessment of the vestibular apparatus and physical and technical fitness of a functional and psychophysiological status in athletes. As a result of the experiment, all orienteers made a significant progress in the development of static and dynamic balance during the year of training. The results obtained in the experimental group in the platform balance test exceeded the initial data by 45.4% compared to 5.2% in the control group. The speed of sensorimotor reaction in athletes from the control group decreased by 4.3%, in the experimental group - by 16.7%. The results obtained for the critical frequency of flicker remained almost the same. Therefore, the improvement of the results obtained can be considered as a proof of the advantage of our method. [ABSTRACT FROM AUTHOR]