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功能性電刺激治療中風踝關節背屈肌肉羣之效應

Functional Electrical Stimulation for Treating Ankle Dorsiflexors of Stroke Patients

摘要


Functional Electrical Stimulation (F.E.S.) for spasticity Control in Clinical Studies are numerous. The purposes of this study were to examine the effectiveness of F.E.S for initiating and normalizing the ankle dorsiflexors muscle tone in stroke patients during the first 6 months post onset and for evaluating the correlation between F.E.S and proprioceptive sensation improvement. Ninety stroke patients were randomly divided into three groups. Group A was the control group receiving the regular physical therapy. In group B, F.E.S was applied on dorsiflexors of the affected side only while the patient was supine, first for 15 minutes with hip at 30º flexion, knee extension and then 15 minutes in neutral position. In group C, F.E.S was applied similarly but on both sides reciprocally. Each patient's dorsiflexor muscle conditions were evaluated at the beginning and at the end of the course of treatment. Some patients experienced rather sudden return of voluntary ankle movements after only a few F.E.S applications. The results showed that the ankle motion scores of group C were significantly higher than those of group A (p<0.05 using BMDP 3S Kruskal-Wallis test). No significant differences in proprioceptive improvement were noted among three groups. It is suggested that the reciprocal stimulation application of F.E.S be considered for inclusion as a regular part of treatment for stroke patients in the initial stage, to stimulate ankle motion, to maintain walking pattern while the patient is bed ridden and to counter synergy.

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並列摘要


Functional Electrical Stimulation (F.E.S.) for spasticity Control in Clinical Studies are numerous. The purposes of this study were to examine the effectiveness of F.E.S for initiating and normalizing the ankle dorsiflexors muscle tone in stroke patients during the first 6 months post onset and for evaluating the correlation between F.E.S and proprioceptive sensation improvement. Ninety stroke patients were randomly divided into three groups. Group A was the control group receiving the regular physical therapy. In group B, F.E.S was applied on dorsiflexors of the affected side only while the patient was supine, first for 15 minutes with hip at 30º flexion, knee extension and then 15 minutes in neutral position. In group C, F.E.S was applied similarly but on both sides reciprocally. Each patient's dorsiflexor muscle conditions were evaluated at the beginning and at the end of the course of treatment. Some patients experienced rather sudden return of voluntary ankle movements after only a few F.E.S applications. The results showed that the ankle motion scores of group C were significantly higher than those of group A (p<0.05 using BMDP 3S Kruskal-Wallis test). No significant differences in proprioceptive improvement were noted among three groups. It is suggested that the reciprocal stimulation application of F.E.S be considered for inclusion as a regular part of treatment for stroke patients in the initial stage, to stimulate ankle motion, to maintain walking pattern while the patient is bed ridden and to counter synergy.

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