The design and technical evaluation of ERiKA: An Energy Recovering Knee-Ankle prosthesis that provides support during standing up and sitting down

The Sit-to-Stand (SitTS) and Stand-to-Sit (StandTS) transitions are among the most demanding activities of daily living in terms of required muscle strength. Many elderly struggle with the transitions, which become even harder after a transfemoral amputation. The current state of the art in knee prostheses does not supply any support to reduce...