This study investigated how anterior cruciate ligament (ACL) injuries affect not only the knee joint but also brain activity, reaction speed, and psychological readiness to return to sports. A total of 60 male athletes, aged 18 to 30 years, were evaluated in three groups: healthy athletes, athletes who had undergone primary ACL reconstruction, and athletes who had undergone revision ACL reconstruction. The study measured brain activity with electroencephalography (EEG), reaction time with a computer-based test, and psychological status with standardized questionnaires. The findings showed that athletes with revision ACL surgery had more difficulties in attention control, slower reaction times, and greater psychological barriers compared to the other groups. These results suggest that ACL injuries and surgeries may influence not only physical recovery but also brain function and psychological readiness. The study highlights the importance of considering neuromuscular, cognitive, and emotional aspects when planning rehabilitation and return-to-sport decisions.
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Frontal EEG Theta/Beta Ratio
Timeframe: Single assessment on the study day (June-July 2025)