AUTHOR=Zheng Ran , van der Kamp John TITLE=Action over anthropometrics: an action-scaled framework for youth sports modifications JOURNAL=Frontiers in Psychology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2025.1559656 DOI=10.3389/fpsyg.2025.1559656 ISSN=1664-1078