Organization of self-control of athletes based on the application of modern sports watches

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PhD E.D. Gorbunov1
PhD, Associate Professor A.V. Kubeev1
V.A. Matina2
1Federal Science Center of Physical Culture and Sport (VNIIFK), Moscow
2Sports complex "Megasport", Moscow

Objective of the study was to evaluate the possibility of using self-control indicators measured using modern sports watches with an optical sensor in the practice of sports training of high-class athletes.
Methods and structure of the study. Two healthy men with sports qualifications of “first sports category” in cycling and cross-country skiing took part in the experiment. The experiment was carried out over three months from June to August 2022. The subjects self-monitored individual nighttime heart rate and sleep indicators by measuring them simultaneously with two sports watches worn on the wrist of each subject in strict accordance with the manufacturer's recommendations. As a technical basis for the study, sports watches of the Polar system were chosen (developed by Polar Electro Oy, Finland, country of origin – China).
Results and conclusions. The main results of the experiment demonstrated the low reliability of measurements of heart rate, sleep and the state of the autonomic nervous system obtained by Polar sports watches with an optical sensor. The use of these indicators by high-class athletes in monitoring self-control using the method of an optical sensor of a sports watch seems to be metrologically unfounded.

Keywords: self-control, monitoring, sports watch, optical sensor, measurement error.

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