Cutting-Edge Research on Physical Fitness Profile in Soccer Players: 2nd Edition

Dear Colleagues,

Football is a sport characterized by high physical demands, with professional players covering approximately 11 kilometers per match—about 10% of which involves high-intensity running. Beyond this, they perform frequent intense actions, such as sprints, tackles, and accelerations, which often determine the outcome of a game. In recent years, the pace and intensity of matches have increased significantly due to tactical evolution and congested competition schedules. This has placed even greater emphasis on the development and maintenance of optimal physical fitness, recovery strategies, and injury prevention.

To manage these challenges effectively, coaches and practitioners increasingly rely on advanced technologies for monitoring and training. While GPS systems are now standard in professional environments, recent advancements—including inertial measurement units (IMUs), optical tracking systems, and machine learning algorithms—enable more detailed analysis of training loads and player performance. Furthermore, emerging artificial intelligence (AI) applications are beginning to transform training design, individualized load management, and performance prediction.

This Special Issue aims to bring together high-quality original research, systematic reviews, and meta-analyses addressing the multifaceted components of soccer fitness across all levels of play. We encourage submissions that explore the evolving physical fitness profiles of football players in response to modern game demands, with a particular emphasis on developmental stages, injury risk, recovery kinetics, and holistic player well-being. Studies employing innovative training methods, periodization strategies, and the integration of advanced technologies and AI-based tools in coaching are particularly welcome.

By covering both youth and adult populations, this Special Issue seeks to offer a comprehensive view of how scientific insights and technological progress are shaping the future of football performance.

Dr. Ioannis Michailidis
Guest Editor

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