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J Korean Acad Rehabil Med. 1998 Apr;22(2):346-350. Korean. Original Article.
Heo JK , Park SB , Lee SG , Lee KM , Kim YH , Yang GT , Chang YH .
Department of Rehabilitation Medicine, College of Medicine, Hanyang University.
Korea Orthopedics and Rehabilitation Engineering Center.
Department of Medical Engineering, College of Health Science, Yonsei University.

The purpose of this study was to detect where the center of pressure in foot would be located at the end point of loading response and the terminal stance by the dynamic plantar pressure measurement. Seventeen adults who had the usual feet without a pathologic gait were evaulated simultaneously by the motion analysis using VICON 370, and the plantar pressure measurement using EMED-SF. Two devices were set in the 60 Hz frame. The foot was divided into 3 different zones; hindfoot, midfoot, and forefoot. The end point of loading response was located at the 1.92+/-1.46 frame distal to the hindfoot- midfoot borderline. The end point of terminal response was located at the 2.27+/-1.96 frame distal to the maximal pressure points of metatarsal head. Authors could differentiate each period of stance phase; the initial contact, loading response, mid-stance, terminal stance, and preswing, using the analysis of center of pressure by the dynamic plantar pressure measurement.

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