Gorodnichev, R. M.
Pukhov, A. M.
Moiseev, S. A.
Ivanov, S. M.
Markevich, V. V.
Bogacheva, I. N.
Grishin, A. A.
Moshonkina, T. R.
Gerasimenko, Yu. P.
Article History
Received: 27 May 2020
Revised: 10 June 2020
Accepted: 20 August 2020
First Online: 15 March 2021
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interests.</i> The authors declare that they have no real or potential conflict of interest.
: <i>Statement of compliance with standards of research involving humans as subjects.</i> All procedures performed in studies involving human participants were in accordance with the ethical standards of the 1964 Helsinki Declaration and its later amendments and were approved by the local Ethics Committee at the Velikie Luki State Academy of Physical Education and Sports (Velikie Luki). All individual participants involved in the study voluntarily gave their written informed consent for participation after being informed about the potential risks and benefits and nature of the study.