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Journal of the Korean Academy of Rehabilitation Medicine 1986;10(2):15.
Muscle Reeducation and Strengthening Effects of the EMG Biofeedback Treatment in the Paretic Patients due to Nerve Injury
Jin Ho Kim, M.D., Eun Yong Lee, M.D. , Chyung Kii Lee, M.D.
Department of Rehabilitation Medicine, Seoul National University Hospital
중추신경손상으로 인한 지체마비환자에서 근전도 Biofeedback 방법에 의한 근육 재활치료의 효과분석
김진호, 이은용, 이청기
서울대학교 의과대학 재활의학교실
Abstract

Biofeedback is autoregulation or self-control technique that improve the patient to control a wide range of internal physiologic process shown through visual or auditory signal of the equipment. In this experiment, we used the EMG biofeedback treatment, one of the biofeedback methods, and confirmed the effect of EMGBF in the paretic patients caused by hemiplegia mainly and the other nerve injuries. Biofeedback training using TECA EMG system was practiced 3 times per week for 4~6 weeks and total 33 patients were assessed the amplitude, frequency, mean rectified amplitude weekly or biweekly with action potential analyzer.

The result were followings:

1) In CNS disorders, there was no difference between experimental and control groups in the incipient stage of EMGBF training on mean rectified amplitude(MRA) and significant difference was shown after 3 weeks. MRA of active action potential increased significantly in the last assessment of the experiment. The results were approved statistically by chisquare test.

2) In cases of facial palsy, monoparesis due to spinal cord compression, peripheral nerve injuries including radiculopathy and common peroneal nerve palsy, rheumatoid myopathy, EMGBF training brought about increase of the MRA in proportion to the duration of treatment. EMGBF was terminated when MRA on the involved muscle reached to the level of normal side.

3) In case of foreign body in brain, spinal cord stroke and early peripheral nerve injury, EMGBF treatment had no effects.

Key Words: Muscle reeducation, EMG biofeedback, Nerve injury, Paresis, Hemiplegia
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