Volume 31, Issue 11 (February 2021)                   Studies in Medical Sciences 2021, 31(11): 836-846 | Back to browse issues page

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URL: http://umj.umsu.ac.ir/article-1-5124-en.html
PhD. of Sport Biomechanics, Department of Motor Behavior, Faculty Of Physical Education, University of Tabriz, Tabriz, Iran. (Corresponding Author) , sh_yazdani@tabrizu.ac.ir
Abstract:   (2621 Views)
Background & Aims: This study aimed to investigate the effect of motor dual task on the electromyographic activity of lower limb and trunk muscles during gait in cerebral palsy (CP) and healthy subjects.
Materials & Methods: 10 patients with CP and 10 healthy matched subjects participated in this study voluntarily. Using an EMG USB2+ system and bipolar electrodes, the electromiyographic activity of biceps femoris (BF), rectus femoris (RF), and erector spinea at L3 level (L3) was recorded during gait with and without motor dual task. The gathered signals were processed using OT Biolab software. SPSS 22 software and ANOVA with significance level of 0.05 were used for statistical analysis.
Results: Results showed that CP patients had greater normalized EMG of right and left L3 and left BF and RF muscle than control group. Motor dual task increased muscle activity in both groups (p=0.001) and had the same effect on the EMG of both right and left sides of healthy subjects. However, in the CP patients, motor dual task resulted in a higher muscle activity on the left side than the right side (p=0.01).
Conclusion: Motor dual task increases EMG activity of RF, BF, and L3 muscle of CP patient's more than healthy subjects. This increase can be attributed to the greater attempt of these subjects to maintain body posture and dynamic balance. So, focus on the motor dual task can be recommended in evaluating and designing an appropriate exercise program for CP patients.
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Type of Study: Research | Subject: طب فیزیکی

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