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KMID : 0603920140220020017
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Journal of Korean Academy of Occupational Therapy
2014 Volume.22 No. 2 p.17 ~ p.33
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A Comparison of the Effect According to Type of Electromyography-triggered Neuromuscular Electrical Stimulation on the Upper Limb Function and Activities of Daily Living in Stroke Patients : A Prospective, Randomized Controlled Pilot Trial
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Park Ji-Su
Choi Jong-Bae
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Abstract
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Objective : This study aimed at investigating the effect of two types of electromyography-triggered neuromuscularelectrical stimulation on the upper limb function of the affected side and activities of daily living in stroke patients.
Methods : A randomized controlled study was conducted for 20 patients within 6 months of occurrence of a subacutestroke. The patients were divided into two groups as follows: those treated with electromyography-triggeredneuromuscular electrical stimulation (EMG-NMES), and those treated with mental imagery training combined withEMG-NMES (MIT EMG-NMES), for 30 minutes a day, 5 days a week, for 4 weeks. For the assessment of upperlimb function, the Fugl-Meyer Assessment (FMA) and Wolf Motor Function Test (WMFT) were used, and for theassessment of daily living activities, the Modified Barthel Index (MBI) was used.
Results : After four weeks of intervention, the MIT EMG-NMES-treated group showed statistically significantimprovement in the FMA and WMFT (p<.01), and improvement in the MBI, particularly in each of the self-carescores, with a statistical significance (p<.05). The EMG-NMES-treated group showed significant improvement inwrist movement on the FMA and in the upper limb function in the WMFT (p<.05). There was no statisticallysignificant improvement in the total MBI, except in the self-care score (p<.05).
Conclusion : This study suggests that both the MIT EMG-NMES and EMG-NMES are beneficial in improving theupper limb function and activities of daily living in patients after an acute stroke.
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KEYWORD
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Electromyogram-triggered electrical stimulation, Mental imagery training, Stroke, Upper extremity function
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