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Measuring tactical behaviour in football
1Sports Sciences, Exercise and Health, University of Trás-os-Montes e Alto Douro, Vila Real, Portugal. ajaime@utad.pt
International Journal of Sports Medicine
|March 2, 2012
Summary
This study shows that GPS data and non-linear analysis can reveal tactical improvements in football players after a 13-week training program. Player coordination and movement patterns became more regular and predictable with increased expertise.
Area of Science:
- Sports Science
- Biomechanics
- Motor Control
Background:
- Assessing tactical behavior in football is complex.
- Dynamic positional data offers a novel approach to analyze player movement and coordination.
- Understanding changes in player behavior due to training is crucial for performance enhancement.
Purpose of the Study:
- To explore the use of dynamic positional data for assessing tactical behavior in football.
- To evaluate the impact of a 13-week constructivist and cognitivist training program on player movement and coordination.
- To apply non-linear signal processing methods to analyze football gameplay.
Main Methods:
- A pre-post test design was employed.
- Data collected using GPS devices (5 Hz) during 5x5 small-sided football games.
- Non-linear signal processing techniques, including approximate entropy and relative phase analysis, were utilized.
Main Results:
- Lower approximate entropy values in post-test indicated increased regularity in movement patterns with expertise.
- Relative phase analysis revealed frequent anti-phase movements related to player distance from the team's center.
- The training program led to measurable changes in player coordination and tactical behavior.
Conclusions:
- Dynamic positional data, analyzed with non-linear methods, effectively quantifies tactical behavior in football.
- The study demonstrates the efficacy of the training program in enhancing player coordination and tactical understanding.
- Findings bridge the gap between sports science research and practical coaching applications.
