Journal of Rehabilitation Research & Development (JRRD)

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Hand-opening feedback for myoelectric forearm prostheses: Performance in virtual grasping tasks influenced by different levels of distraction

Heidi J. B. Witteveen, MSc, et al.

Figure 1.  Experimental setup. Eight coin motors (iNEED (HK) Limited; Shenzhen, China) placed in array on forearm.

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


View HTML  ¦  View PDF  ¦  Contents Vol. 49, No. 10
This article and any supplementary material should be cited as follows:
Witteveen HJ, de Rond L, Rietman JS, Veltink PH. Hand-opening feedback for myoelectric forearm prostheses: Performance in virtual grasping tasks influenced by different levels of distraction. J Rehabil Res Dev. 2012; 49(10):1517–26.
http://dx.doi.org/10.1682/JRRD.2011.12.0243

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