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KMID : 1195620110040030118
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Clinical and Experimental Otorhinolaryngology
2011 Volume.4 No. 3 p.118 ~ p.121
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Does the Kyphotic Change Decrease the Risk of Fall?
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Choi Chang-Jae
Lim Hyun-Woo
Park Moo-Kyun
Cho Jae-Gu
Im Gi-Jung
Chae Sung-Won
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Abstract
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Objectives: Falls are a major problem in the elderly. Age-related degeneration of the human balance system increases the risk of falls. Kyphosis is a common condition of curvature of the upper spine in the elderly and its development occurs through degenerative change. However, relatively little is known about the effect of kyphotic changes on balance in the elderly. The aim of this study is to investigate the influence of kyphosis on the balance strategy through use of the motor control test (MCT) in computerized dynamic posturography.
Methods: Fifty healthy subjects who were not affected by other medical disorders that could affect gait or balance were enrolled in the study. By simulation of kyphotic condition through change of the angles of the line connecting the shoulder to the hip and the ankle axis by approximately 30°, the latency and amplitude of the MCT were measured in upright and kyphotic condition.
Results: In the kyphotic condition, latency was shortened in backward movement. In forward movement, latency was shortened only in large stimulation. The amplitude in forward movement was decreased in kyphotic condition. However, the change of amplitude was not significant in large intensity backward movement in the same condition.
Conclusion: Kyphotic condition decreases the latency of MCT, especially in backward movement. These findings imply that kyphotic condition may serve as a protective factor against falls.
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KEYWORD
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Kyphosis, Accidental falls, Dynamic posturography
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