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Journal of the Korean Academy of Rehabilitation Medicine 1996;20(3):33.
Foot Pressure Distribution in Normal Subjects and Patients with Hallux Valgus and Pes Planus
Jae Ho Moon, M.D., Han Soo Lee, M.D., Kwang Ik Jung, M.D. , Joo Hye Park, M.D., Dong Soo Lee, M.D.*
Department of Rehabilitation Medicine, Yonsei Univesity College of Medicine, *Department of Rehabilitation Medicine, Ewha Womans University College of Medicine
정상군과 무지외반증 및 편평족 환자군의 족저압 분포
문재호, 이한수, 정광익, 박주혜, 이동수*
연세대학교 의과대학 재활의학교실, *이화여자대학교 의과대학 재활의학교실
Abstract

The purpose of this study was to compare foot pressure distribution between normal subjects and patients with hallux valgus and pes planus. Static and dynamic pressure, dynamic pressure-time integral, and relative impulse were measured from 75 normal adults, 12 patients with hallux valgus and 14 patients with pes planus by in-sole pressure measurement system. And static pressure distribution between forefoot and heel, changes of dynamic pressure according to age and body weight and percentage of contact time in each phase of gait cycle were also analyzed from normal subjects. The measurements were perfomed while standing and walking on their comfortable speed with in-sole pressure measurement system.

In normal subjects, the site of the greatest static and dynamic pressure, dynamic pressure-time integral and relative impulse were the 2nd and 3rd metatarsal head areas. and forefoot to heel load ratio was about 6:4 in static state. In analysis of contact time, the proportion of push-off phase was greatest. According to increment of age and body weight, dynanic pressure of mid-forefoot and mid-foot areas were increased.

In patients with hallux valgus, static and dynamic pressure, dynamic pressure-time integral and relative impulse of the 1st metatarsal and great toe areas were higher than those of normal subjects. In patients with pes planus, static and dynamic pressure, dynamic pressure-time integral and relative impulse of the mid-foot, 1st, 2nd, and 3rd metatarsal areas were higher than those of normal subjects.

Key Words: In-sole pressure measurement system, Static pressure, Dynamic pressure, Pressure-time integral, Relative impulse


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