Features of the endocrine, autonomic and cardiovascular hemodynamic components of stress reactivity in the body of elite athletes of different sex and age groups

The article discusses the degree of involvement of the endocrine, autonomic and cardiovascular hemodynamic components of the stress response mechanism in urgent adaptation to physical activity of varying intensity in elite athletes, male and female in the age range from adolescence to maturity of the second period. Athletes male found increased expression of a component of the endocrine stress response, increased sympathetic activity, decreased efficiency features cardiovascular hemodynamics during the second period of maturity, which is more pronounced among representatives of kettlebell lifting. Athletes, young men, and especially in athletes of the 1st period of maturity expressed adrenergic activity level. In the second period of maturity of female athletes in the menstrual cycle were shown to lack of ovulation, easing stress reaction at the level of the hormone level, reduced parasympathetic activity in the first half of the menstrual cycle, increased sympathetic activity, increased level of regulation of adrenergic stress response, reducing myocardial contractility in the second half menstrual cycle.

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