About the Authors

Miłosz Czuba

Roles Conceptualization, Data curation, Funding acquisition, Investigation, Methodology, Resources, Writing – original draft, Writing – review & editing

m.czuba@awf.katowice.pl

Affiliation Department of Sports Training, the Jerzy Kukuczka Academy of Physical Education in Katowice, Faculty of Physical Education, Katowice, Poland

Robert Wilk

Roles Data curation, Formal analysis, Investigation, Project administration, Validation

Affiliation Department of Swimming, the Jerzy Kukuczka Academy of Physical Education in Katowice, Faculty of Physical Education, Katowice, Poland

Jakub Karpiński

Roles Data curation, Formal analysis, Investigation, Project administration, Validation

Affiliation Department of Swimming, the Jerzy Kukuczka Academy of Physical Education in Katowice, Faculty of Physical Education, Katowice, Poland

Małgorzata Chalimoniuk

Roles Data curation, Formal analysis, Investigation, Methodology, Writing – review & editing

Affiliation Department of Tourism and Health in Biala Podlaska, Józef Piłsudski University of Physical Education in Warsaw, Warsaw, Poland

Adam Zajac

Roles Project administration, Supervision, Writing – review & editing

Affiliation Department of Sports Training, the Jerzy Kukuczka Academy of Physical Education in Katowice, Faculty of Physical Education, Katowice, Poland

Józef Langfort

Roles Methodology, Supervision, Writing – original draft, Writing – review & editing

Affiliation Department of Sports Training, the Jerzy Kukuczka Academy of Physical Education in Katowice, Faculty of Physical Education, Katowice, Poland

Competing Interests

The authors have declared that no competing interests exist.