ASSESSMENT OF THE FUNCTIONAL STATE OF CHILDREN INVOLVED IN COMPETITIVE BALLROOM DANCING BY HEART RATE VARIABILITY
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Abstract
In the article set forth the analysis results of the functional state of children from 4 to 7 years, taking up sportive ballroom dancing according to heart rate variability before and after the class. The total spectral power of dancers after training was significantly different from that before the training and was 57.4% less. Sympathetic- parasympathetic balance after the activity is shifted towards the predominance of the sympathetic division of the autonomic nervous system. This group of dancers is characterized by a lower level of cerebral ergotropic influences providing adaptive responses. An increase in the «stress index» indicates the instability of adaptation to the effects of various environmental factors. Consequently, in conditions of rest hemodynamic provision of the body of young dancers occurs in conditions of reduced activity of cardiac parasympathetic influences. Exercise used in sports ballroom dancing is inadequate to the state and level of health of young athletes. The use of the Omega-M hardware-software complex will allow optimizing the training effects according to the functional capabilities of the students.
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