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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국전문물리치료학회 한국전문물리치료학회지 한국전문물리치료학회지 제11권 제1호
발행연도
2004.1
수록면
53 - 67 (15page)

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This simulation study investigated the characteristics of normal gait, 30° crouch gait, 30°crouch/equinus gait, 45° crouch gait, 45° crouch/equinus gait. The knee flexion angles were restrictedusing a specially designed orthosis. This study was carried out in a motion analysis laboratoryof the National Rehabilitation Center. Fifteen healthy male subjects were recruited for thestudy.The purposes of this study were (1) to compare spatiotemporalparameters, kinematics, and kinetic variablesin the sagittal plane among the different gait, (2) to investigate the secondary compensatory strategy,and (3) to suggest biomechanical physical therapy treatment methods. The pattern and magnitude observedin each condition were similar to those of normal gait, except the peak knee extension momentof the unrestricted ankle motion-crouch gait. However, the speed of the 45° crouch gait was halfthat of a normal gait. The ankle joint moment in the crouch/equinus gait showed the double-bump patterncommonly observed in children with spastic cerebral palsy, and there was no significant difference ingait speed as compared with normal gait. The peak ankle plantar-flexor moment and ankle power generatedduring the terminal stance in the crouch/equinus conditions were reduced as compared with normaland 45° crouch gaits (p<.05). The crouch/equinus gait at the ankle joint was an effective compensatorymechanism. Since ankle plantarflexion contracture can be exacerbated secondary to the ankle compensatorystrategy in the crouch/equinus gait, it is necessary to increase the range of ankle dorsiflexion andthe strength of plantarflexion simultaneously to decrease the abnormal biomechanical advantages of theankle joint.

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