2.2. Participants
We used GPOWER v3.1 software (Bonn FRG, University of Bonn, Department of Psychology) to make an a priori calculation of the sample size needed to obtain a Power (1 − ß) > 0.9, effect size = 0.4, and α = 0.05. The total required sample was 36 participants. In the end, we screened 59 participants for eligibility. However, only 45 participants met the inclusion criteria (All the participants gave their consent to participate in the study, and the procedures followed the latest version of the WMA Declaration of Helsinki. The gymnasts recruited must meet the three inclusion criteria: (1) training regularly at least three times a week, (2) having trained in gymnastics for more than a year without long breaks, and (3) having competed in regional federated and school RG competitions (The ethics committee of Ramon Llull University in Barcelona approved this study (CER- FPCEE Blanquerna, 1819007D). Parents or legal guardians of the participants completed the informed consent document prior to the study.