Dominik, Kolinger https://orcid.org/0000-0002-3598-165X
Miroslav, Grobár https://orcid.org/0009-0001-6587-7837
Jakub, Kokštejn https://orcid.org/0000-0002-8046-5830
Petr, Šťastný https://orcid.org/0000-0003-2841-374X
Funding for this research was provided by:
Univerzita Karlova v Praze (UNCE/24/SSH/012)
Univerzita Karlova v Praze (Cooperatio, research area Sport Sciences)
Univerzita Karlova v Praze (SVV 260 847/2025)
Article History
Received: 26 September 2025
Accepted: 30 November 2025
First Online: 20 March 2026
Declarations
:
: The authors have no relevant financial or non-financial interests to disclose.
: The Bioethics Committee approved the study's research protocol at the Faculty of Physical Education and Sport, Charles University, No. EK142/2024.
: Written informed consent was obtained from the parents.