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Rehabilitation Practice and Science

Translated Title

舟狀骨足弓指數：能信實有效評估足弓高度的足印參數

Abstract

Recent studies have shown a close correlation between arch height of the foot and activity-related injuries. In the past, attempts to evaluate arch height from footprint parameters have yielded conflicting results. This could be caused by their failure to take anatomy into consideration in the proposed footprint parameters. This study investigates the relationship between arch height and Navicular Arch Index (NAI) - a new footprint parameter developed by us to incorporate anatomical consideration into footprint measurements. NAI is defined as the ratio of modified footprint width to foot width at the site corresponding to the navicular tuberosity. The arch height of seventy healthy subjects (thirty-eight men and thirty-two women) was measured with a digital caliper and NAI was calculated by footprint landmarks. We found that NAI measurement has an excellent intrarater reliability with an intraclass correlation coefficient (ICC) of 0.95 and a good interrater reliability (ICC = 0.81). A significant correlation (Pearson correlation coefficient, r = –0.70, p＜0.001) was found between NAI and arch height. We concluded that NAI yields reliable and valid first order approximation of arch height, and thus may be clinically used to evaluate arch structure.

Language

English

First Page

183

Last Page

188

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