The older,the wider: On-field tactical behavior of elite-standard youth soccer players in small-sided games |
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| Institution: | 1. School of Economics and Management, Tsinghua University, 100084 Beijing, China;2. Academy of Mathematics and Systems Science, Chinese Academy of Sciences, 100190 Beijing, China;3. School of Physical Education and Sport Training, Shanghai University of Sport, 200438 Shanghai, China;4. Shanghai Key Lab of Human Performance, Shanghai University of Sport, 200438 Shanghai, China;5. Key Laboratory of Diagnosis & Analysis of Skills & Tactics in Sports, Shanghai University of Sport,200438 Shanghai, China;6. School of Computer Science, Beijing University of Posts and Telecommunications, 100876 Beijing, China;7. School of economics and management, Beijing University of Posts and Telecommunications, 100876 Beijing, China;1. Universidade Europeia, Estrada da Correia 53, Lisboa 1500-210, Lisbon, Portugal;2. Iscte - Instituto Universitário de Lisboa, Avenida das Forças Armadas, Lisboa 1649-026, Portugal;3. Instituto de Telecomunicações, Torre Norte - Piso 10, Avenida Rovisco Pais 1, Lisboa 1049-001, Portugal;4. CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, Estrada da Costa, Cruz Quebrada - Dafundo 1499-002, Portugal;1. Instituto de Informática – UFRGS, Brazil;2. Department of Computer Engineering, Middle East Technical University (METU), Turkey |
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| Abstract: | PurposeYoung soccer players need excellent tactical skills to reach the top. Tactical behavior emerges through interactions between opposing teams. However, few studies have focused on on-field tactical behavior of teams with talented soccer players. Therefore, this study aimed to determine teams’ tactical behavior during small-sided games in two age categories, Under-17 and Under-19.MethodsPositional data of thirty-nine elite-standard soccer players were collected during twenty-four small-sided games to calculate longitudinal and lateral inter-team distances, stretch indices and length per width ratios. Corresponding interaction patterns and game-to-game variability were also determined.ResultsUnder-19 showed a significantly larger lateral stretch index and a significantly lower length per width ratio compared with Under-17. Furthermore, teams of both age groups showed similar large proportions of in-phase behavior. Variability of tactical performance measures within and between games was similar for Under-17 and Under-19.ConclusionsVariability within games seems to be functional for attacking teams for creating goal-scoring opportunities. In conclusion, the main difference was that Under-19 adopted a wider pitch dispersion than Under-17, represented by a larger lateral stretch index and smaller length per width ratio. Coach instructions and training exercises should be directed at exploiting pitch width to increase the pursuit of goal-scoring. |
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| Keywords: | Dynamical systems Tactics Talent development Performance analysis Football |
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