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The fixed neutral position of conventional prosthetic feet causes difficulties for transtibial amputees (TTAs) when walking on ramps. New microprocessor-controlled prosthetic ankles such as the Proprio-Foot ® (Össur) aim to reduce these difficulties by modifying the prosthetic ankle angle according to the gait condition. The purpose of the present investigation was to assess the biomechanical...
Conventional prosthetic feet cannot adapt to specific conditions such as walking on stairs or ramps. Amputees are therefore forced to compensate their prosthetic deficits by modifying the kinematics and kinetics of their lower limbs. The Proprio-Foot™ (Ossur) intends to reduce these compensation mechanisms by automatically increasing dorsiflexion during stair ambulation thanks to an adaptive microprocessor-controlled...
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