ArticleJMIR research protocols2025
The Effectiveness of Frontal Plane Adaptability in a Novel Foot Prosthesis: Protocol for a Randomized Crossover Clinical Trial.
Article in JMIR research protocols, 2025. 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
10 authors.
Funding
Abstract
Background: The primary objective of this study is to investigate whether a novel prosthetic foot with a polycentric ankle, which offers side-to-side adaptability, improves mobility and daily performance in individuals with (1) unilateral above-knee amputation, (2) unilateral below-knee amputation with a lower mobility level (K2) , or (3) bilateral amputation, any level of amputation. Traditional prostheses are primarily designed for forward walking and lack adaptability for navigating uneven terrain, turning, and executing other multidirectional tasks, often resulting in pain, instability, and limited function. Objective: The objective of this testing protocol is to better understand the functional impact of a novel foot design that offers more inversion/eversion rotation of the polycentric ankle. Although the foot has the potential to address mobility challenges, it is unknown whether people with different amputations and mobility levels respond differently. Methods: The study includes community-based mobility assessments, standardized questionnaires, and participant feedback. Although side-to-side adaptability prosthetic feet have shown benefits for highly active users, this study aims to evaluate the impact on individuals with more significant mobility limitations. Results: Results may guide prosthetic prescription, expand access to advanced prosthetic technology, and inform reimbursement policies, particularly benefiting veterans and service members with combat-related amputations. The study began recruiting in October 2023; as of September 2025, there were 66 participants (17 below the knee, 34 above the knee, and 15 bilateral) who completed the protocol. The clinical trial is expected to be completed by March 2027. Dissemination of results is expected to be completed by December 2027. Conclusions: This procedural study presents a model for evaluating prosthetic feet and other mobility-assistive technologies in real-world contexts, supporting broader efforts to match components to user needs through clinical trials that are grounded in both functional performance and user experience.
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