뇌졸중 환자의 엉덩관절 폄·굽힘근에 대한 등속성 운동이 등속성 근력과 보행속도 및 강직에 미치는 영향
Effects of Isokinetic Exercise on Hip Extensor and Flexor Strength, Gait Speed and Spasticity in Adults with Stroke
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PURPOSE: The purpose of this study was to evaluate isokinetic muscle strength, spasticity, and gait speed in adults with stroke following 6 weeks isokinetic muscle strength exercises. METHODS: 26 adults stroke patients were recruited, and divided 2 groups. The exercise training performed 6 weeks general exercise therapy with isokinetic exercise (n=13), and control group (n=13) a general exercise therapy only. The rate of change in isokinetic strength, gait speeds between groups, and spasticity between groups using Modified Ashworth Scale (MAS) were compared before and after training. Paired and independent t-tests were used for statistic analysis (p<.05). RESULTS: The results were as follows: First, the hip flexor and extensor of the exercise group were significantly (p<.05) higher than control group at each velocity. However, the hip flexor of the control group was only significant at 30 °/sec and 120 °/sec, and the hip extensor of the control group was significant at 30 °/sec (p<.05). As a result of comparing the rate of change in isokinetic muscle strength at each velocity before and after treatment, the hip extensor was seen to best statistically significant at each velocity but the hip flexor was significant at 30 °/sec and 120 °/sec (p<.05). Secondly, gait speeds increased after 6 weeks training in both groups; but, there was no significant improvement (p>.05). The rate of changes in gait speeds was significant (p<.05). Thirdly, two adults with stroke at level 1+ in the Modified Ashward Scale of the control group decreased to 1 and there was no difference in the exercise group. However, one of nine adults with stroke in the control group and one of ten adults with stroke in the exercise group increased level from 1 to 1+ and three of four adults with stroke in control group and one of three adults with stroke decreased level from 1+ to 1. There was no significant difference in spasticity between groups (p>.05). CONCLUSIONS: Stroke with mild spastic hemiplegia patient's isokinetic exercise for hip extensor and flexor is approximately six weeks in strength, therefore it helps to strengthen and improve walking speed, spasticity its impact on the big it can not.
Abstract
PURPOSE: The purpose of this study was to evaluate isokinetic muscle strength, spasticity, and gait speed in adults with stroke following 6 weeks isokinetic muscle strength exercises. METHODS: 26 adults stroke patients were recruited, and divided 2 groups. The exercise training performed 6 weeks general exercise therapy with isokinetic exercise (n=13), and control group (n=13) a general exercise therapy only. The rate of change in isokinetic strength, gait speeds between groups, and spasticity between groups using Modified Ashworth Scale (MAS) were compared before and after training. Paired and independent t-tests were used for statistic analysis (p<.05). RESULTS: The results were as follows: First, the hip flexor and extensor of the exercise group were significantly (p<.05) higher than control group at each velocity. However, the hip flexor of the control group was only significant at 30 °/sec and 120 °/sec, and the hip extensor of the control group was significant at 30 °/sec (p<.05). As a result of comparing the rate of change in isokinetic muscle strength at each velocity before and after treatment, the hip extensor was seen to best statistically significant at each velocity but the hip flexor was significant at 30 °/sec and 120 °/sec (p<.05). Secondly, gait speeds increased after 6 weeks training in both groups; but, there was no significant improvement (p>.05). The rate of changes in gait speeds was significant (p<.05). Thirdly, two adults with stroke at level 1+ in the Modified Ashward Scale of the control group decreased to 1 and there was no difference in the exercise group. However, one of nine adults with stroke in the control group and one of ten adults with stroke in the exercise group increased level from 1 to 1+ and three of four adults with stroke in control group and one of three adults with stroke decreased level from 1+ to 1. There was no significant difference in spasticity between groups (p>.05). CONCLUSIONS: Stroke with mild spastic hemiplegia patient's isokinetic exercise for hip extensor and flexor is approximately six weeks in strength, therefore it helps to strengthen and improve walking speed, spasticity its impact on the big it can not.
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