Features of the Reaction of the Cardiorespiratory System of Schoolchildren with Physical Loads on the Tradmile

Abstract

Purpose. The aim of our work is to evaluate the reaction of the cardiorespiratory functional system of boys 7-9 years old when performing physical exercises in a wide range. Material. The study was conducted on the basis of the laboratory of the theory and methodology of sports training and reserve capabilities of athletes of the Research Institute of the National University of Physical Education and Sports of Ukraine, 75 boys of 7-9 years took part. Results. The article provides an assessment of the functional characteristics of boys 7–9 years of age, which are reflected in the reactions of adaptation to physical exertion, which is manifested in the adaptation of the cardiovascular and respiratory systems and the balance of muscular bioenergetics. Conclusions. The study of the features of functional changes in the body of children aged 7–9 years when performing dosed muscular work on a tradmile is of great importance for the scientific substantiation of motor activity rationing.