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Justification. Despite the importance of indicators of physical activity and physical performance and their decisiveinfluence on public health indicators, no studies have been conducted on the dependence of physical activity as a controlled parameter and physical performance as a derivative of the level of physical activity. The purpose of the study: to analyze the dependence of the level of physical performance on physical activity. Methods. Two categories were used as criteria for physical activity, one of which was a subjective characteristic of the level of physical activity (the level perceived by a person), and the second was the distance a person walks during the day(the average value). Of course, the second characteristic was subjective, but it made it possible to more accurately assess a person's level of physical activity. The method of nonparametric estimation of the dependence strength using the criterionc2 and the nonparametric analogue of the correlation coefficient, the association coefficient (Ca), was used. The studyidentified five age groups according to WHO recommendations: 18–29 years old; 30–44 years old; 45–59 years old; 60–74 years old and 75 years and older. The number of men in the sample was 724 (48.6%), and 765 (51.4%) women. Results. There was no relationship between the subjectively determined level of physical activity and the amount of physical activity, except for the presence of mild dependence in young and older men (18–29 years old and 60–74 yearsold). The perceived level of physical activity cannot serve as a reliable criterion for actual exercise, and it is inappropriateto use data on the perceived level of physical activity in order to objectively assess it in all age groups. It should also notbe used as a criterion for the effectiveness of measures to improve physical fitness and the level of working capacity of the population.