422 光弾性法による高齢者立位姿勢における足圧分布特徴の解析

概要

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Each subject was asked to stand on one leg or bilateral legs with their eyes open or closed. The results were the followings; 10 elderly subjects (mean age of 66 y/o) were compared with 12 young subjects (mean age of 19 y/o). 1) Body weight was loaded more on the left foot than on the right in both groups. It increased more on the left with their eyes closed as compared to with their eyes open. 2) Whether their eyes were closed, the center of foot pressure shifted forward from 48.0% to 49.5% for the right foot, and from 41.1% to 48.0% for the left foot as compared to their eyes open, respectively. 3) In cases of elderly people, that of the left foot shifted backward from 50.0% to 47.9% when their eyes were closed as compared to their eyes open, whereas that of the right shifted more forward from 52.7% to 53.7%. 4) This different visual effect on young elderly people may explain aging effect on standing posture and balance, which result in falling and bone fracture.
社団法人日本機械学会の論文
2003-03-13