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Browsing EM - ESSEM - Fisioterapia by Author "Passos, Fábio Gonçalo Sales"
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- Comparison of external load variability in injured and uninjured youth elite football male athletes : a cross-sectional studyPublication . Passos, Fábio Gonçalo Sales; Vaz, João Pedro Casaca de RochaFootball's nature carries a high risk of injury, particularly given the increased amount of hard running and sprinting. This study aims to investigate the external load temporal structure between non-injured and injured football athletes, during a 10-day period prior to the injury event. A sample of 38 male youth elite football players was selected for the study. Information on their external load was gathered throughout a range of durations, and GPS data was used to gauge it. The results from linear GPS variables mean and standard deviation between the two groups weren’t statistically significant. On the other hand, the values from non-linear metrics, such as Detrended Fluctuations Analysis, showed that the alpha from the injured players was significantly lower (0.84±0.03) compared to non-injured players (0.86±0.03, p<0.05). We have observed greater randomness in the temporal structure of injured athletes. This study concludes that integrating these metrics may make GPS technology an even more effective tool for injury prevention and possible daily monitoring. Further research could include combined nonlinear measures with subjective fatigue measures to give a holistic picture of an athlete's condition with a larger sample size and other sports contexts