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Age-related differences in flexibility in soccer players 8-19 years old

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dc.contributor.authorDe Ste Croix, Mark
dc.contributor.authorAyala Rodríguez, Francisco
dc.contributor.authorCejudo Palomo, Antonio
dc.contributor.authorRobles Palazón, Francisco Javier
dc.contributor.authorOrtega Toro, Enrique
dc.contributor.authorSantonja Medina, Fernando
dc.contributor.authorSainz de Baranda Andújar, Pilar
dc.contributor.departmentActividad Física y Deporte
dc.date.accessioned2024-02-20T11:37:29Z
dc.date.available2024-02-20T11:37:29Z
dc.date.issued2019-01-29
dc.description© 2019. The authors. This document is made available under the CC-BY 4.0 license http://creativecommons.org/licenses/by/4.0 This document is the accepted version of a published work that appeared in final form in Peer J.es
dc.description.abstractBackground. Muscle flexibility is a main component of health-related fitness and one of the basic components of fitness for the performance in some sports. Sport and health professionals require the flexibility profile of soccer to define quantitative aims in the training of flexibility. The aim of this study was to identify age-related differences in lower extremity flexibility in youth soccer players. Methods. Seventy-two young male soccer players (age: 13.0 ± 3.1 y; body mass: 50.5 ± 15.3 kg; stature 158.2 ± 16.8 cm; BMI: 19.6 ± 2.6 kg/m2) completed this study. Measures of eleven passive hip (hip extension (HE), hip adduction with hip flexed 90º (HAD-HF90º), hip flexion with knee flexed (HF-KF) and extended (HF-KE), hip abduction with hip neutral (HAB) and hip flexed 90º (HAB-HF90º), hip external (HER) and internal (HIR) rotation), knee (knee flexion (KF)) and ankle dorsiflexion (ankle dorsiflexion with knee flexed (ADF-KF) and extended (ADF-KE)) ranges of motion (ROM) were taken. Descriptive statistics were calculated for hip, knee and ankle ROM measured separately by leg (dominant and non-dominant) and age-group (U10, U12, U14, U16 and U19). The data was analysed using a one-way analysis of variance (ANOVA) to examine the interaction of 11 ROM in the different players' age-group. Results. Generally, U10 and/or U12 soccer players obtain the highest mean value in almost all ROM evaluated (U10: HAD-HF [39.6º ± 4.3º], ADF-KE [32.3º ± 4.1º], HER [63.5º ± 5.6º] and HAB-HF90º [64.1º ± 7.5º); U12: HE [17.7º ± 6.2º], HAB [35.6º ± 3.0º], HIR [60.8º ± 4.7º] and KF [133.8º ± 7.1º]). Nonetheless, significant differences between the players' age-groups are just found in HAD-HF90º (p = .042; ES = .136), HAB (p = .001; ES = .252), HIR (p = .001; ES = .251), HER (p < .001; ES = .321) and HAB-HF90º (p < .001; ES = .376) ROM, showing a progressive and irregular decrease in these ROM until the U19 team. Conclusion. The findings of this study reinforce the necessity of prescribing exercises aimed at improving HAD-HF90º ROM in U16, HAB ROM in U14, HIR ROM in U16 and U19, HER ROM in U12 and U19, and HAB-HF90º ROM in U16 and U19 players within everyday soccer training routines.es
dc.formatapplication/pdfes
dc.format.extent16es
dc.identifier.citationPeerJ, 7 (2019), e6236
dc.identifier.doihttps://doi.org/10.7717/peerj.6236
dc.identifier.urihttp://hdl.handle.net/10201/139523
dc.languageenges
dc.publisherPeer Community Ines
dc.relationThis research was made possible by the Program of Human Resources Formation for Science and Technology grant number 20326/FPI/2017 from the Seneca Foundation-Agency for Science and Technology in the Region of Murcia (Spain). This study is part of the project entitled ``Estudio del riesgo de lesión en jóvenes deportistas a través de redes de inteligencia artificial'', funded by the Spanish Ministry of Science and Innovation (DEP2017-88775-P), the State Research Agency (AEI) and the European Regional Development Fund (ERDF).es
dc.relation.publisherversionhttps://peerj.com/articles/6236/es
dc.rightsAtribución 4.0 Internacional*
dc.rightsinfo:eu-repo/semantics/openAccesses
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectFootballes
dc.subjectRange of motiones
dc.subjectAdolescencees
dc.subjectStretchinges
dc.subjectAge-groupes
dc.titleAge-related differences in flexibility in soccer players 8-19 years oldes
dc.typeinfo:eu-repo/semantics/articlees
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