Affiliation:
1. Novosibirsk Scientific Research Institute of the Hygiene of the Federal Service for Supervision on Consumer Rights Protection and Human Welfare
2. Omsk State Medical University
Abstract
Introduction. The optimal physical activity of schoolchildren ensures adequate physical development, considered as the totality of the morphological and functional properties of the body that characterize the process of its growth and maturation at each age interval. Main objective of research. To determine the values of individual accumulative risks of impairment of schoolchildren’s health components depending on the level of the physical activity and develop recommendations for their reduction. Material and methods. The study involved 709 schoolchildren aged 12-14 years. To solve the tasks there were used hygienic methods with an assessment of the physical mode, training mode, indicators of the functional capabilities of schoolchildren; anthropometric methods; information and analytical methods and statistical methods, including associative analysis. The level of physical activity of schoolchildren was classified according to daily energy expenditure, determined by summing energy expenditure across all categories of physical activity. Result and discussion. Individual accumulative risks of schoolchildren’s health problems were shown to be elevated in all components of health with an increase in the deviation of the level of physical activity from the optimum, and the time factor has a significant effect on the growth of individual accumulative risks of schoolchildren’s health problems. In order to reduce the likelihood of the formation of health disorders in schoolchildren, it has been established that the identification of physical activity impairments and the application of corrective measures should be carried out as early as possible - in the period up to 6 months from the moment when violations were detected. In drawing up a plan of corrective measures for the formation of an optimal level of average daily workload for school-age children, the categories of physical activity outside the normal range require a reduction to the recommended intensity and duration according to the gender and age. Associative rules have been obtained that allow identifying the causes of the disturbance of the structure of physical activity and make adjustments taking into account the relationship between categories of physical activity. The optimization was achieved by reducing the duration of time spent on various categories of physical activity to the recommended one. Conclusion. Application of the results of this study will reduce individual accumulative risks of violations of schoolchildren’s health, preserve the health of the younger generation, and provide optimal personal and physical development.
Publisher
Federal Scientific Center for Hygiene F.F.Erisman
Subject
Health, Toxicology and Mutagenesis,Public Health, Environmental and Occupational Health,Pollution,General Medicine
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