Assessment of AK (Above Knee) Prosthesis with Different Ankle Assembly Using GRF Pattern in Stance Phase

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概要

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• In this study, ground reaction force (GRF), absolute symmetry index (ASI) and coefficient of variation (CV) of fixed, single-axis and multi-axis prosthetic ankle assemblies were investigated by biomechanical evaluation of above knee amputees. In the experiments, 37 normal male volunteers, two male and two female Above Knee (AK) amputees GRF data were tested with fixed, single-axis and multi-axis prosthetic ankle assembly. A gait analysis was carried out to derive the ratio of GRF to weight as the percentage of total stance phase for ten points. The results showed that fixed-axis ankle assembly was superior to other two ankle assemblies for forwarding and braking forces. Multi-axis ankle was relatively superior to other two ankle assemblies for gait balancing and movement of the mass center. Single-axis ankle was relatively superior to the other two ankle assemblies for CV and ASI of GRF.

• 一般社団法人日本機械学会の論文
• 2006-06-15

著者

• Kim Sung-min

  Department Of Biomedical Engineering College Of Biomedical & Health Science Konkuk University

• Bae Ha-suk

  College Of Medicine Rehabilitation Hospital Ewha Womens University

• KIM SUNG-JAE

  Department of Orthopaedic Surgery, Yonsei University College of Medicine

• Kim Sung-jae

  Department Of Orthopaedic Surgery Yonsei University College Of Medicine

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