AUTHOR=Zhou Fangbing , Wang Wenlei , Nie Yuyang , Shao Chunxue , Ma Wenxue , Qiu Wentao , Qu Guofeng , Gao Jinchao , Liu Cong TITLE=The study of the association between exercise motivation and cardiorespiratory fitness in young students: a systematic review and meta-analysis JOURNAL=Frontiers in Psychology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2025.1566952 DOI=10.3389/fpsyg.2025.1566952 ISSN=1664-1078