Received: 19 May 2021
Accepted: 13 December 2021
First Online: 9 February 2022
: The study protocol followed was approved by the Ethics Committee of the Research Center in Sports Sciences, Health Sciences and Human Development (CIDESD), University of Trás-os-Montes and Alto Douro. Both the players and their parents gave their written informed consent, and they were fully informed of their rights to withdraw from the study at any time without providing any reason. This study adhered to ethical principles under the Declaration of Helsinki.
: Not applicable.
: The authors declare no conflicts of interest with respect to the research, authorship, and/or publication of this article.