Field dimension and skill level constrain team tactical behaviours in small-sided and conditioned games in football

This study analysed the influence of field dimension and players' skill level on collective tactical behaviours during small-sided and conditioned games (SSCGs). Positioning and displacement data were collected using global positioning systems (15 Hz) during SSCGs (Gk+4 v. 4+Gk) played by two g...

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Bibliographic Details
Published in:Journal of sports sciences 2014-12, Vol.32 (20), p.1888-1896
Main Authors: Silva, Pedro, Duarte, Ricardo, Sampaio, Jaime, Aguiar, Paulo, Davids, Keith, Araújo, Duarte, Garganta, Júlio
Format: Article
Language:English
Subjects:
Athletes
Behavior
collective behaviours
Signal processing
small-sided games
Soccer
Sports training
task constraints
Variables
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Summary:This study analysed the influence of field dimension and players' skill level on collective tactical behaviours during small-sided and conditioned games (SSCGs). Positioning and displacement data were collected using global positioning systems (15 Hz) during SSCGs (Gk+4 v. 4+Gk) played by two groups of participants (NLP- national-level and RLP-regional-level players) on different field dimensions (small: 36.8 × 23.8 m; intermediate: 47.3 × 30.6 and large: 57.8 × 37.4 m). Team tactical performance was assessed through established dynamic team variables (effective playing space, playing length per width ratio and team separateness) and nonlinear signal processing techniques (sample entropy of distances to nearest opponents and the teams' centroids' mutual information). Results showed that the effective playing space and team separateness increased significantly with pitch size regardless of participant skill level (P 
ISSN:0264-0414
1466-447X
DOI:10.1080/02640414.2014.961950