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자료유형
학술저널
저자정보
저널정보
대한재활의학회 Annals of Rehabilitation Medicine Annals of Rehabilitation Medicine 제34권 제1호
발행연도
2010.1
수록면
59 - 65 (7page)

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Objective: To investigate differences of the postural control in unstable sitting position between elderly and young adults. Method: Twenty five healthy elderly and twenty five healthy young adults were included. The evaluation system for postural control consisted of unstable plate, frame, safety harness, monitor and computer. Subjects sat on an unstable plate with arms crossed. Using two tilt sensor and postural control software in unstable platform measured the center of pressure (COP) of subject. COP sway (COP was maintained on the center circle and the distance from the central location for 30 sec) time and mean absolute deviation (MAD), COP maintaining (COP was maintained on the desired target in anterior, posterior, left or right directions during 30 sec) time and MAD, COP moving time (the time required to move the COP to desired target location away from center), COP sine curve maintaining (COP was maintained on the circle on moving sine curve during 30 sec) time and MAD were recorded in both groups. Each subject performed three trials and the mean value of the trials was used for analysis. Results: In static evaluation, there was no significant difference in COP sway between two groups. In dynamic evaluations, elderly showed significantly decreased maintaining time in all four directions, decreased sine curve trace and increased moving time in all eight directions (p< 0.001). Conclusion: Elderly revealed significantly impaired dynamic sitting postural control, regardless of directions. It might be related to decreased movement and proprioception of trunk. (J Korean Acad Rehab Med 2010; 34: 59-65)Key Words:

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