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

Sha, N, Kenney, LPJ ORCID: https://orcid.org/0000-0003-2164-3892, Heller, BW, Barker, AT, Howard, D ORCID: https://orcid.org/0000-0003-1738-0698 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:	Schools > School of Environment and Life Sciences Schools > School of Computing, Science and Engineering > Salford Innovation Research Centre Schools > School of Health and Society > Centre for Health Sciences Research
Journal or Publication Title:	Medical Engineering & Physics
Publisher:	Elsevier
Refereed:	Yes
ISSN:	13504533
Related URLs:	Publisher
Depositing User:	H Kenna
Date Deposited:	15 Dec 2008 17:09
Last Modified:	27 Aug 2021 19:48
URI:	https://usir.salford.ac.uk/id/eprint/218

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