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가속도계를 이용한 뇌졸중 환자의 보행분석

Gait Analysis Using Accelerometer in Stroke Patients

김영호|이진복|김동아|박시운|장순자|이주현
대한재활의학회 (Korean Academy Of Rehabilitation Medicine)|2004.10|Annals of Rehabilitation Medicine|제28권 제5호|pp. 488-493

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참고문헌

주제분류재활의학

초록

Abstract

Objective: The aim of this study is to evaluate the acceleration of the center of mass (COM) of the body in stroke patients. Method: Seventeen stroke patients and 9 normal subjects were participated. Three dimensional gait analysis was used to classify gait phases for the reference. The accelerometer held over the COM were used to record vertical and medio- lateral accelerations of the COM of the body. Modified Ashworth scale and Brunnstrom stage were used to evaluate the clinical status of stroke patients. Results: In normal subjects, the acceleration showed symmetric pattern. The maximum peak of vertical acceleration occurred in loading response. In stroke patients, the acceleration wave was characterized by asymmetry and polyphasicity. Maximum peak in affected side was higher than that in unaffected side (p＜0.05). There were significant correlations between several elements of hemiplegic gait and the correspondent acceleration values; interval of successive peak I in vertical acceleration vs. step time, walking velocity and swing symmetry ratio vs. mean peak I, swing symmetry ratio vs. affected side peak I, step length symmetry ratio vs. peak I symmetry ratio. Conclusion: The accelerometer can be an easy and useful way to evaluate gait characteristics in stroke patients. (J Korean Acad Rehab Med 2004; 28: 488-493)

참고문헌 (17)

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  17. "Hemiplegic gait:A kinematic analysis using walking speed as a basis", 25, pp.1007~1015 (1992)

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