000101517 001__ 101517 000101517 005__ 20220405150415.0 000101517 0247_ $$2doi$$a10.1080/02640414.2020.1746559 000101517 0248_ $$2sideral$$a117573 000101517 037__ $$aART-2020-117573 000101517 041__ $$aeng 000101517 100__ $$aCupeiro, R. 000101517 245__ $$aThe relative age effect on physical fitness in preschool children 000101517 260__ $$c2020 000101517 5060_ $$aAccess copy available to the general public$$fUnrestricted 000101517 5203_ $$aThe aim of the present study was to investigate the existence of a relative age effect (RAE) on physical fitness of preschoolers. Anthropometry and physical fitness were assessed in 3147 children (3–5 years old) using the PREFIT battery. Based on the birth year, participants were divided into 3year groups (3-, 4- and 5-years). Within each year group, 4quarter groups were created: quarter 1, preschoolers born from January to March; quarter 2, from April to June; quarter 3, from July to September; quarter 4, from October to December. The MANCOVA analysis revealed a main effect of year group (Wilks’ ¿ = 0.383; F10, 5996 = 369.64; p < 0.001, ¿p 2 = 0.381) and of quarter (Wilks’ ¿ = 0.874; F15, 8276.6 = 27.67; p < 0.001; ¿p 2 = 0.044) over the whole battery of tests. To the best of our knowledge, this is the first study to report the existence of RAE at the preschool stage. In general, performance improved as the relative age increased (i.e., those born in quarter 1 performed better than those in the other quarters). Individualization strategies should be addressed within the same academic year not only in elementary or secondary years but also in preschoolers. 000101517 536__ $$9info:eu-repo/grantAgreement/ES/MICINN/EXERNET-DEP2005-00046$$9info:eu-repo/grantAgreement/ES/RETICS-ISCIII-ERDF/RD16-0022$$9info:eu-repo/grantAgreement/ES/UZ/JIUZ-2014-BIO-08 000101517 540__ $$9info:eu-repo/semantics/openAccess$$aAll rights reserved$$uhttp://www.europeana.eu/rights/rr-f/ 000101517 590__ $$a3.337$$b2020 000101517 591__ $$aSPORT SCIENCES$$b30 / 88 = 0.341$$c2020$$dQ2$$eT2 000101517 592__ $$a1.208$$b2020 000101517 593__ $$aOrthopedics and Sports Medicine$$c2020$$dQ1 000101517 593__ $$aSports Science$$c2020$$dQ1 000101517 593__ $$aPhysical Therapy, Sports Therapy and Rehabilitation$$c2020$$dQ1 000101517 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/acceptedVersion 000101517 700__ $$aRojo-Tirado, M.A. 000101517 700__ $$aCadenas-Sanchez, C. 000101517 700__ $$aArtero, E.G. 000101517 700__ $$aPeinado, A.B. 000101517 700__ $$aLabayen, I. 000101517 700__ $$aDorado, C. 000101517 700__ $$aArias-Palencia, N.M. 000101517 700__ $$aMoliner-Urdiales, D. 000101517 700__ $$aVidal-Conti, J. 000101517 700__ $$aConde-Caveda, J. 000101517 700__ $$aMora-Gonzalez, J. 000101517 700__ $$0(orcid)0000-0002-4303-4097$$aVicente-Rodríguez, G.$$uUniversidad de Zaragoza 000101517 700__ $$aBenito, P.J. 000101517 7102_ $$11006$$2245$$aUniversidad de Zaragoza$$bDpto. Fisiatría y Enfermería$$cÁrea Educación Física y Depor. 000101517 773__ $$g38, 13 (2020), 1506-1515$$pJ. sports sci.$$tJournal of Sports Sciences$$x0264-0414 000101517 8564_ $$s726570$$uhttps://zaguan.unizar.es/record/101517/files/texto_completo.pdf$$yPostprint 000101517 8564_ $$s3341844$$uhttps://zaguan.unizar.es/record/101517/files/texto_completo.jpg?subformat=icon$$xicon$$yPostprint 000101517 909CO $$ooai:zaguan.unizar.es:101517$$particulos$$pdriver 000101517 951__ $$a2022-04-05-14:36:48 000101517 980__ $$aARTICLE