2.2. Sample and Ethical Procedures
Sample size calculation was conducted using GPower 3.1 software (Heinrich-Heine-Universität, Düsseldorf) considering an effect size Exclusion criteria were adopted during an anamnesis. Participants were instructed to maintain their regular dietary and sleep regimens. However, they were requested to refrain from all other recovery modalities that could blunt the results of the present investigation during the conduction of the study. In addition, participants refrained from any other kind of physical activity during the proposed timeframe. All participants were informed of the benefits and risks of the investigation prior to signing an institutionally approved informed consent document to participate in this study. This study was conducted according to the Declaration of Helsinki, and the Institutional Review Board of the corresponding university approved the experimental protocol (45373121.5.0000.5257).