Mechanical efficiency during gait of adults with transtibial amputation: A pilot study comparing the SACH, Seattle, and Golden-Ankle prosthetic feet

From: Journal of Rehabilitation Research and Development | Date: June 1, 1998| Author: | Copyright information

Abstract-As more and more prosthetic feet become commercially available, the selection of the appropriate device is a more difficult task for clinical team members. To date, ranking prosthetic feet based on biomechanical parameters has been done using the spring efficiency. The current analytical technique for calculating spring efficiency has two flaws: first, prosthetic feet with a bendable flexible keel are analyzed the same way as those with an articulated ankle and a rigid foot, and second, there is no accounting for the energy losses in the viscoelastic cosmetic material surrounding the ...

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