The uncertainty of measuring the weight of the human body impacted to physical activity on the example of nordic walking

The subject of research in this article was the uncertainty of measuring the weight of the human body impacted to physical activity. Nordic walking was chosen as a source of physical activity. The relevance of this topic is confirmed by the statistical data of the Institute for Health Measurement and Assessment (IHME) at the University of Washington (USA), the World Health Organization and the Rosstat of the Russian Federation. The quantitative characteristic of assessing the accuracy of measurement results was selected uncertainty as an internationally recognized measure of confidence in the measurement results. In accordance with the Guidance on the expression of uncertainty (GUM) [the average arithmetic value of the mass of the object of research was determined, the standard uncertainty was calculated by type A and type B, the total standard uncertainty and the expanded uncertainty were determined]. At the end of the research, the result is the measurement of the mass of the object of study, taking into account the uncertainty, and an uncertainty budget was drawn up.