RELATIONSHIP BETWEEN THE SHAPE OF THE SPINAL COLUMN AND THE DEFLECTION IN THE SEGMENTAL AND BODY CENTER OF MASS DURING QUIET STANDING IN ELDERLY INDIVIDUALS

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  • TAKEUCHI Yahiko
    Department of Rehabilitation Science, Faculty of Health Care Science, Chiba Prefectural University of Health Sciences
  • SHIMOMURA Yoshihiro
    Graduate School of Engineering, Chiba University
  • OTANI Takuya
    Department of Rehabilitation Science, Faculty of Health Care Science, Chiba Prefectural University of Health Sciences
  • OGATA Satoshi
    Department of Rehabilitation Science, Faculty of Health Care Science, Chiba Prefectural University of Health Sciences
  • MIWA Makoto
    Department of Rehabilitation Science, Faculty of Health Care Science, Chiba Prefectural University of Health Sciences

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Other Title
  • 高齢者の脊柱形態と静止立位中の体節別および全身重心動揺との関係

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The purpose of this study was to investigate the relationship between the shape of the spinal column and the deflection in the segmental and body center of mass during quiet standing in elderly individuals. Sixteen elderly individuals were recruited in this study. Their thoracic kyphosis and lumbar lordosis angles were measured using a spinal column-measuring instrument. Further, we determined the deflection characteristics of the segmental center of mass at the landing phase by using a three-dimensional motion analysis system. A significant positive correlation was observed between the thoracic kyphosis angle and the velocity of anteroposterior deflection in the center of mass of the whole body and head. These results suggest that increase in the thoracic kyphosis angle is associated with the deflection characteristics of the whole-body and head centers of mass during quiet standing.

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