Acute and chronic functional and traditional resistance training improve muscular fitness in young males via the AMPK/PGC-1α/irisin signaling pathway.

"Declarations Ethics approval and consent to participantThe study was executed and approved by the Capital University of Physical Education and Sports in Haidian District, Beijing, China Ethics committee. The researchers obtained informed consent from all participants and their legal guardians. All methods were carried out in accordance with relevant guidelines and regulations. Consent for publicationNot Applicable. Availability of data and materialsAll data generated and analyzed during this study are included in this published article. The raw data supporting the conclusions of this article will be made available by the authors, without undue reservation, to any qualified researcher. First author should be contacted if someone wants to request the data from this study. Competing interestsThe authors declare no conflict of interest. FundingThis research received no funding. Authors’ contributionsCWZ, CQY, and SMB conceptualized and designed the study. CWZ contributed to data collection. CWZ designed the methodology. CWZ and XYM conducted the formal analysis and wrote the first draft of the manuscript. CWZ, CQY, XYM and ZYZ reviewed and revised the manuscript. All authors have read and agreed to the published version of the manuscript. AcknowledgementsThe first author graduated from the Capital University of Physical Education and Sports and completed the trial. The first author had full access to all the data of this study and had the final responsibility of the decision to submit for publication. The first authors would like to thank all participants who were willing to join the study. Competing interests The authors declare no conflict of interest."

"Funding This research received no funding."

"Trial registration Chinese Clinical Trial Registry: ChiCTR2200059775 (11/05/2022)."