<研究資料>高齢者の転倒予防に関する基礎的研究--女性の自然歩行における爪先高に着目して

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[Abstract] In this study, to obtain basic data on the prevention of fall-related accidents in the elderly, 43 healthy elderly women and 43 healthy female university students were asked to walk naturally. Their walking motion was filmed using a video camera, and the toe-height of the swing leg was analyzed. No significant difference was observed in the walking speed between the young and elderly groups. The step length was significantly shorter, and the step frequency was significantly greater in the elderly group. The first peak value of the toe-height of the swing leg (h1) was significantly lower in the elderly group. No significant change was observed in the lowest toe-height of the swing leg (h2) and the second peak value of the toe-height of the swing leg (h3). Concerning the 'walking speed index' and 'step length index', in which the influences of a difference in leg length were eliminated, the values were significantly greater in the elderly group. There were no significant differences in the 'step frequency index', 'indexes of h1, h2, and h3' between the groups. We concluded that the elderly are not at higher risk of stumbling and falling, compared to young people.