Cognitive and motor parameters in the dynamics of physical activity
DOI:
https://doi.org/10.33910/2687-1270-2026-7-2-289-296Keywords:
cognitive and motor parameters, tremorometry, coordination, physical stress, autonomic nervous system toneAbstract
The article discusses the results of the effect of dosed physical activity on the parameters of complex cognitive and motor reactions in healthy girls. The study analyzed cognitive and motor reactions: tremorometry, contact coordination (CC), and plate touches (CP), with assessment of amplitude, execution time, and touch frequency. Dosed physical activity had a different impact on the patterns of cognitive and motor performance in girls with different initial tone of the autonomic nervous system. In normotonia, the most balanced and economical type of response was demonstrated at rest; however, a functional test in the form of physical activity revealed a shift in regulatory mechanisms, the development of fatigue, and a decrease in sensorimotor accuracy. In sympathicotonia, a paradoxical effect was observed — the elevated ‘initial cost’ of maintaining tone (high tremor at rest) was replaced by a reduction in tremor and a decrease in excessive neuromuscular tension, which optimized motor control and revealed high adaptive potential. In vagotonia, low stress resistance was noted with regard to coordination, but accuracy was maintained, along with the need to mobilize tremor and coordination responses and a switch to a more cautious, controlled mode of movement.
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Copyright (c) 2026 Alexander S. Bratanov, Lada N. Smelysheva, Oleg A. Kaplunov, Olga A. Arkhipova
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