Abstract
Characteristics of heart activity were studied in female residents of the European North with ages between 25 and 59 years who were adapted to physical exercise. The results of studies of the biological age and the degree of training are presented. The mechanisms of adaptation and the specific features of the cardiovascular system (CVS) response to physical exercise depending on the duration of professional experience of subjects were determined. The greatest changes in the functional CVS characteristics were observed in the youngest (25–35 years) and oldest (46–59 years) subjects. This was shown to depend on the type of adaptation, age-specific characteristics, and moderately severe climatic conditions. Comparison of groups of subjects with different durations of professional experience showed that the speed of nervous processes decreased, the regulation of blood circulation became inert, and age-related shifts in some of the variables accelerated. These changes are considered to be the result of an increased expenditure of the physiological reserves of the body under different environmental conditions.
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Original Russian Text © V.M. Kirilina, A.I. Goranskii, 2006, published in Fiziologiya Cheloveka, 2006, Vol. 32, No. 6, pp. 42–46.
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Kirilina, V.M., Goranskii, A.I. Adaptations of heart activity to physical exercise in female physical education teachers in the European North. Hum Physiol 32, 666–670 (2006). https://doi.org/10.1134/S0362119706060077
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DOI: https://doi.org/10.1134/S0362119706060077