Konefał, Marek
Chmura, Paweł http://orcid.org/0000-0002-4211-0393
Zacharko, Michał
Baranowski, Jarosław
Andrzejewski, Marcin
Błażejczyk, Krzysztof
Chmura, Jan
Funding for this research was provided by:
University School of Physical Education in Wroclaw
Article History
Received: 15 November 2019
Revised: 4 June 2020
Accepted: 30 June 2020
First Online: 16 July 2020
Compliance with ethical standards
: The study was conducted in compliance with the Declaration of Helsinki and was approved by the local ethics committee (No. 19/2017).