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ADAPTATION OF CARDIO-VASCULAR SYSTEM TO PHYSICAL EXERCISE IN YOUNG ATHLETES WITH DIFFERENT TYPES OF VEGETATIVE REGULATION

E. M. SPIVAK (1), N. N. NEZHKINA (2) 1 -YAROSLAVL STATE MEDICAL ACADEMY,YAROSLAVL, RUSSIA 2 -IVANOVO STATE MEDICAL ACADEMY, IVANOVO, RUSSIA

Objective: To characterize theadaptive remodelingof the youngathletescardiovascular system with different types of vegetative regulation (automatic balance). Material and methods: 98 young athletes aged 10 to 17, swimmers and long distance runners, the parameters of central hemodynamics, ergometric parameters, and parameters depending on character of a vegetative regulation were studied. The examination program included an evaluation of the original type of autonomic balance, reactivity, electrocardiography, echocardiography, bicycle ergometry.
Results: It is established that most balanced restructuring and bestcardio-vascular performance was in athletes with the normal vegetative tonus and unmodified vegetative reactivity and provision of activity is noted. Remodeling of the left ventricle, the hyperkinetic type of central hemodynamics and reducing ergometric indices were found in athletes with sympathicotonia and hyperdiastolic type.
Conclusions: Is useful to consider the individual characteristics of vegetative regulation when making decisions about selection of sports in young athletes.
Keywords: 
children, teenagers, sports, autonomic nervous system, autonomic tone source, types of autonomic regulation, cardiovascular system.