Assessing the Relative Contributions of Active Ankle and Knee Assistance to the Walking Mechanics of Transfemoral Amputees Using a Powered Prosthesis.

This explanation is also supported by the predictable result that powered plantarflexion increased positive power of the prosthetic ankle during terminal stance ( Fig 8 ), as well as the more interesting finding that these large increases in ankle power were shown to result in a significant trend toward less overall knee flexion of the intact leg knee during stance ( Fig 6 ).

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