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KMID : 1034620190090010027
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Korean Journal of Neuromuscular Rehabilitation
2019 Volume.9 No. 1 p.27 ~ p.34
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Effects of Muscle Fatigue on Gait under the Single and Dual-Task Walking Conditions in Young Adults
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Gil Ji-Hye
Shim Jae-Hun
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Abstract
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Muscle fatigue and dual-task walking were associated with risk of falls in young adults. The objectives of this study was to examine the effects of muscle fatigue on gait parameters under single and dual-task walking conditions in young adults and to determine the impact of dual-task on walking. Forty young adults participated in this study and they were randomly divided into 20 dual-task walking group and 20 single-task walking group. Gait parameters and cognitive function were measured in the single- and dual-task walking conditions. Participants are performed the fatigue task in lower limbs. The changes between before and after fatigue task in each group were analyzed with paired t-test and the changes between single- and dual-task walking groups were analyzed by using independent t-test. After fatigue task, subjects of the single-task walking group showed significant decrease in all gait parameters (p<.05), except cadence and single limb support, whereas subjects of the dual-task walking group showed significant decrease in step length and double limb support (p<.05). Furthermore, change between before and after the task showed significant differences in stride length, step length, and double limb support between the groups (p<.05). The findings suggest that muscular fatigue deteriorated gait parameters under the single- and dual-task walking conditions. Further studies are needed.
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KEYWORD
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Dual-task, Gait, Muscle fatigue, Young adults
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