Effects of an intense run of matches on blood biomarker and physical performance in professional soccer athletes
DOI:
https://doi.org/10.47197/retos.v85.119903Keywords:
Creatine kinase, Football, Global positioning system, Muscle damage, PerformanceAbstract
Introduction: High-level soccer players frequently face congested match schedules, which limits recovery and increases muscle damage.
Objective: This study aimed to investigate the effects of a congested match period compared to a non-congested period on creatine kinase levels and physical performance metrics.
Methodology: Ten professional athletes were monitored over two thirty-day periods. Blood creatine kinase concentrations and global positioning system physical performance metrics were collected and compared.
Results: Blood creatine kinase concentrations were significantly higher during the congested period than in the non-congested period at twenty-four hours and forty-eight hours post-match. A significant positive correlation was found between total playing minutes and creatine kinase levels, whereas global positioning system physical performance metrics showed no significant differences.
Discussion: While previous literature reported performance declines during congested schedules, the results of this investigation aligned with studies showing maintained physical performance when tactical player rotation and adequate physical conditioning were implemented.
Conclusions: The congested period significantly increased internal load and muscle damage, which correlated directly with cumulative playing minutes rather than match count. However, external physical performance remains unaffected, indicating that strategic player rotation can successfully mitigate performance decrements.
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