高齢者歩行中のまたぎ越し動作に関するKinematics的研究

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  • 高齢者の歩行中のまたぎ越し動作に関するkinematics的研究
  • コウレイシャ ノ ホコウ チュウ ノ マタギ コシ ドウサ ニ カンスル kinematicsテキ ケンキュウ

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The purpose of this study was to investigate motion patterns for elderly people stepping over obstacles with a videography by comparing with those of the young. Crossing speed, step length, and step frequency of the elderly were significantly smaller than those of the young. With an increase in obstacle heights, crossing speed and step frequency decreased in the elderly, but there was no significant change in those of the young. With increased obstacle heights, the elevation of the lead leg increased in both groups, depending more on the elevation of the thigh and the flexion of the hip and ankle joints for the elderly, and the elevation of the shank and knee flexion for the young. In the elderly, the range of motion for the upper arm was significantly smaller than that of the young, and the forward lean of the trunk increased after landing of the lead leg at high obstacle. This may have made the clearance of the trail leg easier.

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