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Journal of the Korean Academy of Rehabilitation Medicine 2000;24(4):631-636.
The Effect of Electrical Stimulation on Spasticity in Hemiplegic Patients.
Kim, Hye Won , Ko, Young Jin , Kang, Sae Yoon , Lee, Jong In , Kim, Il Soo
Department of Rehabilitation Medicine, College of Medicine, The Catholic University of Korea.
경직성 편마비 환자에서 전기자극 치료가 경직에 미치는 영향
김혜원, 고영진, 강세윤, 이종인, 김일수
가톨릭대학교 의과대학 재활의학교실
Abstract

Objective
To evaluate the immediate effect of neuromuscular electrical stimulation in reducing spasticity and to compare antispastic effect of low frequency electrical stimulation with that of high frequency electrical stimulation.


Method
The subjects were 10 hemiplegic patients with stroke (n=7) and traumatic brain injury (n=3) and double blind test was used. For three days, one of sham, 30 Hz and 99 Hz electrical stimulation was respectively applied to rectus femoris and hamstring muscles at random order once a day. The evaluation of spasticity was done by using the Modified Ashworth scale, beats of ankle clonus, F/M ratio and relaxation index of knee by pendulum test before and after electrical stimulation.


Results
The result of the study revealed statistically significant immediate decrement of spasticity in hemiplegic patients after electrical stimulation, but there was no statistical different effect according to the frequency of electrical stimulation.


Conclusion
Neuromuscular electrical stimulation is useful in reducing spasticity. Further investigation to assess the long therapeutic effect of low and high frequency electrical stimulation will be needed.

Key Words: Spasticity, Hemiplegia, Electrical stimulation


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