Document Detail

Feasibility of error-based electrotactile and auditive feedback in prosthetic walking.
MedLine Citation:
PMID:  24519475     Owner:  NLM     Status:  Publisher    
Background and aim:Several studies have shown that feedback in upper-leg prostheses is possible, but slow or difficult to interpret. In this study, electrotactile and auditive error-based feedback, only giving feedback when an undesired event occurs, were tested for its use in upper-leg prosthesis when provided during a perturbation.Technique:A total of nine healthy subjects walked on a prosthetic simulator which was disturbed at the end of the swing phase. They received either no feedback, electrotactile feedback, or auditive feedback at the time of the perturbation.Discussion:The reaction time of the subjects only improved by 40 ms when using auditory feedback, compared to the no-feedback condition. No changes in reaction time were found in the electrotactile feedback condition. Considering perturbation detection was not taken into account in this study, this improvement is not enough for practical applications in upper-leg prosthesis.Clinical relevanceMany transfemoral amputees are insecure about their prosthesis, are afraid of falling, or actually fall. Providing feedback specifically during a perturbation may prevent them from falling, or at least give them a chance to react.
Eva C Wentink; Eline J Talsma-Kerkdijk; Hans S Rietman; Peter Veltink
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-2-11
Journal Detail:
Title:  Prosthetics and orthotics international     Volume:  -     ISSN:  1746-1553     ISO Abbreviation:  Prosthet Orthot Int     Publication Date:  2014 Feb 
Date Detail:
Created Date:  2014-2-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7707720     Medline TA:  Prosthet Orthot Int     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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