Doctor of Sciences in Physical Education and Sport, Professor Department of Sport, Gdansk University of Physical Education and Sports, Gdansk, Poland E-mail: wjagiello1@wp.pl ORCID: https://orcid.org/0000-0001-7417-4749 Scopus Author ID: h=11; https://www.scopus.com/authid/detail.uri?authorId=36696218000 Web of Science ResearcherID: h=23; https://publons.com/researcher/2197326/wladyslaw-jagiello/