Abstract

The aim of the considered part of the complex project was to study the electromyographic activity of the flexor and extensor muscles (superficial flexor of the fingers, extensor digitorum, the long extensor of the thumb and short flexor of the thumb of the hand) of both hands in search of signs of muscle adaptation during repeated brief sessions of targeted control with the help of the hand applied force for a short course. The analysis of individual and group characteristics indicates the important role of the configuration, the distribution of activity (interaction) of the studied muscles in the development of adaptation, differences in the activity of muscles of the right and left hands. The differences between the flexor muscles and extensor muscles on both hands were manifested in large values ​​of the maximum EMG amplitudes and a more pronounced shift to a decrease in the indicators from the background in the direction of subsequent target sessions for flexor muscles, with a non-linear nature of the changes

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