Key result
Twenty knee-bends show initial central contour dominance shifting to independent contour control after one minute.
Why the study?
The role of vegetative nervous system centers in restoration of heart rhythm after standard physical activity was not established.
Observational
Answers are grounded in this paper and cite their sources.
The study describes the physiological dynamics of the vegetative nervous system in regulating heart rhythm following standard physical exertion.
Use of a method of share tendencies in the analysis time of some R-R intervals of the electrocardiogram after performance of 20 knee-bends and after 1 minute of restoration has allowed to establish a role of the centers of vegetative nervous system in restoration of a rhythm of heart at 4-th level of dynamic hierarchy. After 20-ти knee-bends and through 1 minutes of restoration the maximum vegetative centers of the central contour dominate. In interaction of the central and independent contours each center entering into them is characterized with distinctive features of dynamics which are shown in an increasing role of the centers of an independent contour after 1 minute of restoration.
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Shutov et al. (2020) reported an observational. Standard physical activity (20 knee-bends) was evaluated on R-R intervals of the electrocardiogram. Performance of 20 knee-bends showed that maximum vegetative centers of the central contour dominate initially, with an increasing role of the independent contour after 1 minute of restoration.
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