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Browsing EM - ESSEM - Fisioterapia by Subject "Cueing"
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- The effects of different temporally structured cues on gait variability in anterior cruciate ligament injured athletesPublication . Hilário, Mafalda Sofia Pereira; Vaz, João Pedro Casaca de RochaThe anterior cruciate ligament (ACL) is essential for knee stability and proprioception. ACL injuries, often caused by non-contact valgus and internal rotation motions, lead to increased instability, altered joint pressures, and a higher risk of secondary injuries and osteoarthritis, causing a significant impact in the athlete’s career. Full restoration of neuromuscular function and gait variability remains unachieved. The purpose of this study is to investigate how different temporally structured cues affect gait patterns of acute ACL-injured athletes. Seventeen adult athletes with acute ACL-injury, were engaged in two 12-minute walking trials – one uncued trial and one cued trial – on a split-belt treadmill, at their optimal walking speed, previously calculated. A 10-minute resting period between trials. Additionally, the participants had to answer the Tampa Scale questionnaire. Inter-stride intervals were determined from a custom MATLAB code and fractal scaling obtained, through Detrended Fluctuation Analysis, was calculated. A mixed-model repeated measures ANOVA was used to identify differences between groups and conditions. The results showed that ACL-injured athletes from fractal group did not exhibit significant improvements in their temporal structure of gait patterns while walking to these cues, however isochronous group worsened it, towards to randomness, highlighting the potential clinical value of fractal cues.