In preparing young wrestlers (16-17 years of age) the design often follows a relatively well-developed system of training for adult masters of sport. This approach does not take into account that the impact of training, as well as the effects, of competitive loadings, are significantly different between young athletes and adults. Young wrestlers possess particular voltage, circulatory and respiratory systems characteristics in relation to their age and their functional and morphological development (2, 3, 8, 9). The volume of the heart of the young athlete reaches adult levels near 20-21 years of age. Systolic ejection and contractile function, which cause the cost to the heart, are much smaller in male youth than adults (2, 7). These features lead to considerable tension in the circulatory system of young athletes during intense stress (8, 9). Keep in mind that the lung capacity, maximum ventilation, tidal volume, the efficiency of respiration and gas exchange in boys is inferior to the performance of adults. In addition, the transfer of oxygen into the blood and its utilization in the muscles of the young men is slower, since the hemoglobin content per kilogram of body weight is less than adult athletes (10). In general, the youthful body is characterized by a high intensity cardio-respiratory and blood systems during physical stress. So far, no data on the impact of intense competitive activity on the dynamics of individual aspects of preparedness of young wrestlers is available. Our objective was to study the impact of competitive activity on the functional training state in young wrestlers.
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