ArticleAnnals of biomedical engineering2026
Full Leg Optimization (FLO): A Framework to Concurrently Design Low-Cost Passive Prosthetic Feet and Knees.
Article in Annals of biomedical engineering, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Authors and funding
4 authors.
Funding
Abstract
purposeThe mobility and life quality of a user with an above-knee amputation depend on the performance of their prosthetic leg. Prosthetic leg performance is a result of the quality of the prosthetic components, the interaction between them, and the availability of continuous care. Access to these factors is limited in low- and middle-income countries where the majority of lower limb amputees live. This study presents a method to design prosthetic legs based on the operation of all components in tandem to minimize the time for adjustment and the cost of a prosthetic leg.
methodsThe full leg optimization (FLO) framework provides a method to quantitatively design prosthetic legs by predicting the interaction of the prosthetic foot and prosthetic knee at the initiation of knee flexion during the late stance phase. A prosthetic leg was designed for a person with an above-knee amputation, consisting of a Hip Trajectory Error foot and a passive prosthetic knee. The leg was designed so that the prosthetic knee would unlock at
resultsThe preliminary results demonstrate consistent knee unlocking at
conclusionThis suggests that the FLO framework can accurately predict the interaction between the prosthetic foot and the prosthetic knee. Hence, the FLO framework is a design method for prosthetic legs for users with an above-knee amputation, providing a predictable performance, which would be beneficial for users living in low-resource settings.
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Identifiers
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Registered trials
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