| Change of Foot Measurements with Weight Bearing by 3-D Foot Scanner. |
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Kim, Seongwoo , Kim, Sun Jung , Jang, Sung Ho , Choi, Ki Seob , Park, Si Bog |
1Department of Physical Medicine and Rehabilitation, Hanyang University College of Medicine, Korea. sibopark@hanyang.ac.kr
2Department of Biomedical Engineering, Hanyang University College of Medicine, Korea.
3Department of Physical Medicine and Rehabilitation, Soonchunhyang University College of Medicine, Korea. |
| 체중을 부하할 때 발 수치의 변화 |
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김성우, 김선정1, 장성호2, 최기섭, 박시복 |
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한양대학교 의과대학 재활의학교실, 1의공학교실, 2순천향대학교 의과대학 재활의학교실 |
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| Abstract |
Objective
To evaluate the influence of weight-bearing on foot shape measured by 3-D foot scanner.
Method
Forty-two feet of twenty-one normal subjects were studied. The foot length, width, girth and arch parameters under non weight-bearing and weight-bearing conditions were measured by 3-D foot scanner (NexcanⰒ, K & I, Korea), analysis software (EnFOOTⰒ, K & I, Korea) and 3-D foot arch measurement program.
Results
The foot length, ball width, ball girth, waist girth, instep girth, short heel girth, long heel girth and length from heel point to proximal arch point significantly increased under weight-bearing condition (p＜0.01). However, vamp height, waist height, instep height, length of arch, height of arch, width of arch, length from heel point to distal arch point, maximal arch height and volume of arch were significantly decreased under 50% weight-bearing condition (p＜0.01).
Conclusion
Foot parameters associated with length, width and girth increased but volume, width, length, and height of medial longitudinal arch decreased under weight bearing condition. We suggest that these findings under weight- bearing condition result from the pronation of subtalar joint and the decrement of heights of transverse and longitudinal arch heights. (J Korean Acad Rehab Med 2004; 28: 462-468) |
| Key Words:
3-D foot scanner, Medial longitudinal arch, Foot length, Weight bearing |
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