Article
The research purpose is to study the speed dynamics of passing competitive distances and the intensity of the functioning of the cardiovascular system of ski racers in the ski sprint at different stages of sports training.
Methods and organization of the research. The research was conducted in the 2018-2021 competitive seasons. The research involved ski racers engaged in sports training at different stages of long-term improvement. In total, about 30 protocols of ski sprint competitions among ski racers at different stages of sports training were analyzed.
Results and discussion. The conducted research has shown that the heart rate parameters of the competitive load of ski racers in the ski sprint at different stages of sports training largely depend on the individual characteristics of the cardiovascular system, the current fitness shape of athletes and the intensity of competitive activity in various combinations of relief components of ski tracks. From the stage of initial training to the stage of higher sportsmanship, the amount of the competitive load of ski racers in the ski sprint in the IV intensity zone gradually decreases and the amount of the competitive load in the III intensity zone increases.
Conclusion. The presented research results supplement the existing theoretical ideas about the peculiarities of the influence of competitive loads in ski sprint on the body of ski racers, and also serve as a guideline for the development of special preparedness of ski racers at different stages of sports training.
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