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Article History

Received: 10 October 2023

Revised: 8 January 2024

Accepted: 15 January 2024

First Online: 26 December 2024

ETHICS APPROVAL AND CONSENT TO PARTICIPATE

: All studies were conducted in accordance with the principles of biomedical ethics set out in the 1964 Helsinki Declaration and its subsequent amendments. They were also approved by the local ethics committee of the Velikiye Luki State Academy of Physical Culture and Sports (Velikiye Luki), protocol no. 2 dated March 14, 2023.<i>Informed consent</i>. Each study participant gave voluntary written informed consent after receiving an explanation of the potential risks and benefits, as well as the nature of the upcoming study.

: The authors declare no obvious or potential conflicts of interest related to the publication of this article.