健常者の歩行分析に基づく大腿義足用膝継手の回転中心位置の設計

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  • Determination of the Rotation Center Position of Knee Joint Unit for Transfemoral Prosthesis Based on Gait Analysis of Intact Subjects

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<p>In recent years, many type of trans-femoral prosthesis which has functions that support walking has been developed. Most commercially available prosthetic knee joint components for trans-femoral prosthesis users utilize four- bar linkages. Although stability of a four-bar linkage trans-femoral prosthesis has been established in level walking. However that walking pattern was unnaturalness compared with healthy subject. The purpose of this study was to design Instant center of rotation that achieves natural knee flexion by switching from knee extension moment to knee flexion moment at late stance phase. Therefore, we designed Instant center of rotation based on healthy subject gait analysis using the inverse dynamic procedure.</p>

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