Teoriya i praktika fizicheskoy kultury №12 2017, pp.62-64

Associate Professor, PhD D.A. Saraykin¹
Associate Professor, PhD E.L. Bacherikov²
Dr.Med., Professor J.G. Kamskova¹
Dr.Biol., Professor V.I. Pavlova^1
1South Ural State Humanitarian-Pedagogical University, Chelyabinsk
²Ural State University of Physical Culture, Chelyabinsk

Physiological indices of taekwondokas are considered in case of a sensory conflict. A group of 18 boys aged 18-20 years engaged in taekwondo was subject to physiological studies. All subjects had their average latent simple visual-motor reaction time and resting heart rate sitting measured. The results of the research showed that in case of borderline functional states the change in the lability of nervous processes in the central nervous system leads to slowing down of the control effects of the autonomic nervous system on the heart and blood vessels, which causes, depending on the magnitude of changes in the lability of the nervous processes, either very slow heart rate reaction (HR), or a paradoxical reaction (a decrease in heart rate). Based on the latent simple visual-motor reaction time rating performed against the background of a sensory conflict, the initially homogeneous contingent can be divided into separate groups by resistance to sensory conflicts. The individual coefficient of time variation of a simple sensorimotor reaction when moving on an unstable support serves as a criterion of instability to sensory conflicts, as well as energy demand and complexity of integration of central and autonomic mechanisms.

Keywords: taekwondoka, sensorimotor reaction, sensory conflict, latent period, excitability of cortical processes.

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