Today–s myoelectric forearm prostheses do not return any information about the level of hand opening back to the prosthesis user. However, this information is required to optimally control the prosthesis and helps the user avoid continuously watching the prosthesis. We have developed a method to give feedback about the level of hand opening by using an array of small vibrating motors. Furthermore, we found that it is possible for subjects to successfully use this hand-opening feedback while performing another distractive task. Therefore, this feedback method will improve the controllability of a forearm prosthesis in daily life.
Volume 49 Number 10, 2012
Pages 1517 — 1526
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Last Reviewed or Updated Wednesday, February 13, 2013 1:57 PM