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Article

Somatotype, Accumulated Workload, and Fitness Parameters in Elite Youth Players: Associations with Playing Position

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Department of Physical Education and Sports, University of Granada, 18010 Granada, Spain
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HEME Research Group, Faculty of Sport Sciences, University of Extremadura, 10003 Cáceres, Spain
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Sports Scientist, Sepahan Football Club, Isfahan 81887-78473, Iran
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Department of Exercise Physiology, Faculty of Sport Sciences, University of Isfahan, Isfahan 81746-7344, Iran
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Sports Science School of Rio Maior—Polytechnic Institute of Santarém, Av. Dr. Mário Soares, 2040-413 Rio Maior, Portugal
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Research Centre in Sport Sciences, Health Sciences and Human Development, Quinta de Prados, Edifício Ciências de Desporto, 5001-801 Vila Real, Portugal
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Life Quality Research Centre, Av. Dr. Mário Soares, 2040-413 Rio Maior, Portugal
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Escola Superior Desporto e Lazer, Instituto Politécnico de Viana do Castelo, Rua Escola Industrial e Comercial de Nun’Álvares, 4900-347 Viana do Castelo, Portugal
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Instituto de Telecomunicações, Delegação da Covilhã, 1049-001 Lisboa, Portugal
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Health Sciences Faculty, Universidad San Jorge, Autov A23 km 299, 50830 Villanueva de Gállego, Zaragoza, Spain
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Department of Neurosciences, Biomedicine and Movement Sciences, School of Exercise and Sport Science, University of Verona, 37131 Verona, Italy
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Author to whom correspondence should be addressed.
Academic Editor: Zoe Knowles
Children 2021, 8(5), 375; https://doi.org/10.3390/children8050375
Received: 20 March 2021 / Revised: 28 April 2021 / Accepted: 6 May 2021 / Published: 10 May 2021
The purpose of this study was three-fold: (1) to describe anthropometric, maturation, and somatotype differences of players based on playing positions; (2) to analyze variations of accumulated load training (AcL) and fitness parameters between playing positions; and finally (3) to explain the variation of maximal oxygen uptake (VO2max) and peak power (PP) through the AcL, body fat (BF), maturity, somatotype and fitness levels. Twenty-seven male youth soccer players under-16 were divided by the following positions participated in this study: six central midfielders, four wingers (WG), five forwards, eight defenders, and four goalkeepers (GK). They were evaluated on two occasions: pre-season and after-season. Height, sitting height, body mass, BF, girths, percentage of BF (BF%), lean body mass, maturity, somatotype, sprint test, change of direction test, Yo-Yo intermittent recovery test level 1, Wingate, PP, VO2max and fatigue index were assessed. Then, AcL was monitored during training sessions. The main results revealed significant differences between player positions for maturity offset (p = 0.001), for BF (p = 0.006), BF% (p = 0.015), and lean body mass kg (p = 0.003). Also, there were significant differences for AcL and fatigue index in pre-season between player positions (p < 0.05). In addition, there were some significant differences in pre- and after-season for VO2max and PP between player positions (p < 0.05). In conclusion, GK showed higher values in anthropometric, body composition variables and maturity offset compared to the other positions, while WG presented lower levels of BF. In pre-season, there were more differences by player positions for the different variables analyzed than after-season that reinforces the tactical role of the positions, and the emphasis in increased load in the beginning of the season. This study could be used by coaches, staff, and researchers as a reference for athletes of the same sex, age, and competitive level. View Full-Text
Keywords: VO2max; anthropometric; body composition; maturation; peak power; training load VO2max; anthropometric; body composition; maturation; peak power; training load
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MDPI and ACS Style

Nobari, H.; Oliveira, R.; Clemente, F.M.; Pérez-Gómez, J.; Pardos-Mainer, E.; Ardigò, L.P. Somatotype, Accumulated Workload, and Fitness Parameters in Elite Youth Players: Associations with Playing Position. Children 2021, 8, 375. https://doi.org/10.3390/children8050375

AMA Style

Nobari H, Oliveira R, Clemente FM, Pérez-Gómez J, Pardos-Mainer E, Ardigò LP. Somatotype, Accumulated Workload, and Fitness Parameters in Elite Youth Players: Associations with Playing Position. Children. 2021; 8(5):375. https://doi.org/10.3390/children8050375

Chicago/Turabian Style

Nobari, Hadi, Rafael Oliveira, Filipe M. Clemente, Jorge Pérez-Gómez, Elena Pardos-Mainer, and Luca P. Ardigò. 2021. "Somatotype, Accumulated Workload, and Fitness Parameters in Elite Youth Players: Associations with Playing Position" Children 8, no. 5: 375. https://doi.org/10.3390/children8050375

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