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Abstract ▼ AI-Helper

The purpose of this study was to identify the relationship between heel height and postural balance function. Nine female subjects, aged 19-22 years, volunteered to participate for the study. Subjects stood on a force platform and were instructed to stand as still as possible during 15 second trial ...

The purpose of this study was to identify the relationship between heel height and postural balance function. Nine female subjects, aged 19-22 years, volunteered to participate for the study. Subjects stood on a force platform and were instructed to stand as still as possible during 15 second trial duration. Subjects were tested initially in bare feet and 4 pairs of shoes were then performed in random order. Shoes were women’s dress pumps identical except for heel height. Heel heights were 3, 5, 7, and 9 ㎝. Using AMTI force platform the displacement of center of pressure (CP) under the foot was measured to evaluate postural stability. The results indicated that increasing heel height decreased balance stability. The length of displacement of the CP did not show any significant changes below a 3 ㎝ heel height, but increased significantly above a 5 ㎝ heel height. The medial-lateral postural sway increased significantly above a 5cm heel height, but did not show any significant difference in 5, 7, 9 ㎝ heel height. The anterior-posterior sway significantly increased above a 5cm heel height. The anterior-posterior sway was more in the 7 and 9 ㎝ heel than 3 and 5 ㎝ heel. These findings suggest that heel height has a detrimental effect on women’s postural balance function. A critical heel height for producing balance hazards locates between 3 and 5 ㎝. However, the critical heel height seems to be not fixed but can be changed through the design supplementation on heel width, sole thickness and sole hardness.

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