Unrestrained human gait motion analysis using mobile force plate and attitude sensor

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  • 移動式床反力計および姿勢センサを用いた制約のないヒトの歩行運動解析
  • イドウシキ ユカハンリョクケイ オヨビ シセイ センサ オ モチイタ セイヤク ノ ナイ ヒト ノ ホコウ ウンドウ カイセキ
  • イドウシキショウ ハンリョクケイ オヨビ シセイ センサ オ モチイタ セイヤク ノ ナイ ヒト ノ ホコウ ウンドウ カイセキ

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Abstract

In human gait motion analysis, which is one useful method for efficient physical rehabilitation, ground reaction force, center of pressure and kinematic parameters are measured during walking. For obtaining these data as the unrestrained gait measurement, a novel gait motion analysis system using mobile force plate and attitude sensor has been developed. However, it has been used at only specially-cleaned experimental laboratory in the past. In this paper, ground reaction forces and kinematic parameters applied on the human lower limb are measured under a wide range of environmental conditions including slope and stairs by the developed gait motion analysis system. As a result of the experiments, the patterns of joint moments in the sagittal plane are obtained as the feature quantities in addition to braking and propulsive forces. Finally, the effectiveness of the developed gait motion analysis system to analyze human biomechanics and kinematics during gait is validated.

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