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ISSN 2063-5346
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CORRELATION BETWEEN LEG MUSCLE ACTIVITY AND BALANCE IN STROKE PATIENTS

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Moshera H. Darwish, Mohamed S. El-Tamawy , Hend M. Elsharkawy , Faten Ali , Heba A. Khalifa
» doi: 10.31838/ecb/2023.12.s1-B.205

Abstract

Background: loss of balance is a main challenging problem post stroke. Ankle strategy is the first line of defense against fall. It depends mainly on the activation of tibialis anterior and medial gastrocnemius muscles. Aim: To identify the correlation between activity of leg muscles and balance in stroke patients. Methods: Thirty male chronic stroke patients with balance instability, their ages ranged from 45 to 55 years. Stroke duration more than six months, Mini-Mental State Examination score > or = 24, Berg balance score ranges from 21 to 40 and spasticity grade < or = 2 according to modified Ashworth scale. Biodex balance system (BBS) and Electromyography (EMG) were used to assess postural stability indices (overall (OSI), anterio-posterior (API) and medio-lateral (MLI) stability indices) and muscle activity (tibialis anterior and medial gastrocnemius) respectively. Results: There was a significant statistically negative correlation between muscle activities of both tibialis anterior and medial gastrocnemius with postural stability indices (P < 0.05). Conclusion: Leg muscles strengthening is essential for improvement of balance abilities in stroke patients, as activity of leg muscles negatively correlated to postural stability indices in stroke patients. Trial registration: This study was performed in accordance with The Code of Ethics of the World Medical Association (Declaration of Helsinki) and was approved by the Cairo University Faculty of Physical Therapy Research Ethics Committee with registration number (F.P.T2207007).

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