Personalized design of ankle-foot prosthesis based on computer modeling of amputee locomotion

This study proposes a computer modeling approach to find the optimal damping coefficients of the viscoelastic ankle-foot prostheses for each specific amputee. A two-dimensional locomotion model was developed for a transtibial amputee and personalized using his body measures and the reference gait pa...

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Bibliographic Details
Published inAssistive technology Vol. 32; no. 2; pp. 100 - 108
Main Authors Gharini, Mohammad, Mohammadi Moghaddam, Majid, Farahmand, Farzam
Format Journal Article
LanguageEnglish
Published United States Taylor & Francis 03.03.2020
Subjects
Adult
Amputees - rehabilitation
Ankle
Artificial Limbs
below-knee amputee
Biomechanical Phenomena
Foot
Gait - physiology
Humans
Locomotion - physiology
locomotion model
Lower Extremity
Male
Middle Aged
optimal damping coefficients
Patient-Specific Modeling
Prosthesis Design
locomotion model
optimal damping coefficients
below-knee amputee
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Summary:This study proposes a computer modeling approach to find the optimal damping coefficients of the viscoelastic ankle-foot prostheses for each specific amputee. A two-dimensional locomotion model was developed for a transtibial amputee and personalized using his body measures and the reference gait pattern of an equivalent able-bodied subject. By employing the forward dynamic simulation, the amputee's locomotion was synthesized for different prosthetic settings to find the optimal damping coefficients, based on a kinematics and a total work cost function. Results indicated a good agreement between the model predictions and the experimental observations.
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ISSN:1040-0435
1949-3614
1949-3614
DOI:10.1080/10400435.2018.1493708