The aim of the study was to determine the parameters of training loads in different training zones for young middle-distance runners based on the functional state of skeletal muscles. Methodology. The study was carried out on the basis of determining the nature of changes in muscle tone in 15 young athletes aged 14-15 years, specializing in middle-distance running while performing special physical loads in various training areas. The scientific novelty of the research results is determined by obtaining new data on the quantitative parameters of training loads in various training zones and ranges of correction of load activity depending on the functional state of the skeletal muscles of young middle-distance runners. As a result of the study, training load regimens were developed and correction ranges were determined depending on the current state of the body of young athletes.
YOUNG MIDDLE DISTANCE RUNNERS, TRAINING LOADS, SKELETAL MUSCLES
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