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Showing 1 results for Electromyography
Raziye Alizadeh, Amirali Jafarnezhadgero, Davood Khezri,
Volume 23, Issue 3 (10-2023)
Abstract
Background: Anterior cruciate ligament reconstruction (ACLR) reestablishes electromyography activity during moderate activities such as walking but it is unclear whether this is also the case in sports activities such as running. Therefore, the present study aimed to evaluate the acute effect of using anti- pronation insoles on muscle frequency content in an individual with anterior cruciate ligament reconstruction with pronated feet during running.
Methods: The sample of this study consisted of 13 individuals with both ACLR and pronated feet aged 23.2±4.5 years and 13 healthy ones aged 22.9±4.1 years. During both Pre and Post-tests, participants ran barefoot on an 18-m runway at a constant speed of 3.3±5 m/s. The electromyography activity of the lower limb muscles was recorded during running with and without anti-Pronation insoles. Two-way ANOVA with repeated-measures test was used for statistical analysis.
Results: The results indicated greater vastus medial frequency content in ACLR with the pronated feet group than that the healthy group during the loading phase (p=0.024). Also, results demonstrated that the rectus femoris frequency content was greater at the insole condition compared with and without it during the loading phase (p=0.014).
Conclusion: The results of this research showed a significant change in the activity of the quadriceps, hamstrings, gluteus medius, and gastrocnemius when using anti-pronation insoles in people with anterior cruciate ligament reconstruction and pronate feet. Therefore, it could be useful clinically.
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