AUTHOR=Peña-González Iván , Fernández-Jávega Gonzalo , Castellano-Galvañ Ismael , Moya-Ramón Manuel 

TITLE=Relative Age Effects and contextual factors in male Spanish youth football: a 10-year cross sectional analysis of U12 to U16 players

JOURNAL=Frontiers in Sports and Active Living

VOLUME=7

YEAR=2025

URL=https://www.frontiersin.org/journals/sports-and-active-living/articles/10.3389/fspor.2025.1524972

DOI=10.3389/fspor.2025.1524972

ISSN=2624-9367