In Brief:
The article discusses the growing prevalence of knee disarticulation from earlier estimates as a result of biomechanical and surgical advantages, especially for pediatric prostheses, and compares and differentiates frontal plane biomechanics of knee disarticulation with transfemoral prostheses as a result of the lateral and distal displacement of the fulcrum. In addition, various interface designs are compared with regard to supracondylar suspension, distal bulk, and ease of fabrication.
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