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The effect of the impedance of a thin hydrogel electrode on sensation during functional electrical stimulation

Sha, N, Kenney, LPJ, Heller, BW, Barker, AT, Howard, D and Wang, W 2008, 'The effect of the impedance of a thin hydrogel electrode on sensation during functional electrical stimulation' , Medical Engineering & Physics, 30 (6) , pp. 739-746.

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Abstract

Surface functional electrical stimulation results in stimulation of cutaneous receptors and discomfort. The degree of non-uniformity of current distribution in the cutaneous layers in the vicinity of the electrode may influence the sensation experienced. This paper describes the effects on sensation of a thin, high impedance electrode designed to reduce the non-uniformity of current distribution. Sensation associated with stimulation via a self-adhesive electrode with much higher impedance than conventional electrodes was compared with a low impedance electrode in a single-blinded, crossover study. The high impedance electrode does not alter either the current at which sensation is first registered. However, at higher currents, the high impedance electrode allows 9% more current to be passed for an equivalent sensation to that experienced with the conventional electrode. A 28% decrease in discomfort with the use of the high impedance electrode was also reported.

Item Type: Article
Themes: Subjects / Themes > R Medicine > R Medicine (General)
Health and Wellbeing
Schools: Colleges and Schools > College of Health & Social Care > School of Health Sciences > Centre for Health Sciences Research
Colleges and Schools > College of Science & Technology
Colleges and Schools > College of Science & Technology > School of Environment and Life Sciences
Colleges and Schools > College of Science & Technology > School of Computing, Science and Engineering > CASE Control & Systems Engineering Research Centre
Journal or Publication Title: Medical Engineering & Physics
Publisher: Elsevier
Refereed: Yes
ISSN: 13504533
Related URLs:
Depositing User: H Kenna
Date Deposited: 15 Dec 2008 17:09
Last Modified: 20 Aug 2013 16:46
URI: http://usir.salford.ac.uk/id/eprint/218

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