This report presents a discussion of the results from a sports science experiment investigating knee proprioception in football players, utilizing a Biodex dynamometer to compare injured and non-injured individuals. The study examines the impact of injuries, particularly ACL ruptures, on knee proprioception at various angles (15°, 30°, and 45°), comparing the results with previous research and anatomical factors. The findings reveal significant differences in proprioception between the groups, with unexpected results concerning the influence of angle on the mean difference. The report also explores the factors influencing changes in proprioception, including the role of ligaments (ACL, LCL, PCL, MCL) and muscle strength, while also discussing the implications of these findings for injury prevention and rehabilitation strategies in football. Limitations of the study are also discussed, specifically the lack of psychometric data, highlighting the need for further research in this area.