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Skin-Electrode Contact Area in Electrical Bioimpedance Spectroscopy. Influence in Total Body Composition Assessment.
University of Borås, School of Engineering.
University of Borås, School of Engineering.
University of Borås, School of Engineering.
2011 (English)Conference paper (Refereed)
Abstract [en]

Electrical Bioimpedance Spectroscopy (EBIS) has been widely use for assessment of total body composition and fluid distribution. (EBIS) measurements are commonly performed with electrolytic electrodes placed on the wrist and the ankle with a rather small skin–electrode contact area. The use of textile garments for EBI requires the integration of textrodes with a larger contact area surrounding the limbs in order to compensate the absence of electrolytic medium commonly present in traditional Ag/AgCl gel electrodes. Recently it has been shown that mismatch between the measurements electrodes might cause alterations on the EBIS measurements. When performing EBIS measurements with textrodes certain differences have been observed, especially at high frequencies, respect the same EBIS measurements using Ag/AgCl electrodes. In this work the influence of increasing the skinelectrode area on the estimation of body composition parameters has been study performing experimental EBIS measurement. The results indicate that an increment on the area of the skin-electrode interface did produce noticeable changes in the bioimpedance spectra as well as in the body composition parameters. This influence must be taken into consideration when designing and testing textile-enable EBIS measurement systems.

Place, publisher, year, edition, pages
IEEE , 2011.
Keyword [en]
impedance, textile electrodes, EBIS, biomedica engineering, Biomedical Engineering
National Category
Medical and Health Sciences Industrial Biotechnology
URN: urn:nbn:se:hb:diva-6722DOI: 10.1109/IEMBS.2011.6090530Local ID: 2320/10168ISBN: 978-1-4244-4121-1OAI: diva2:887424
33st Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Boston, USA Sept, 2011.
Available from: 2015-12-22 Created: 2015-12-22

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Marquez Ruiz, Juan CarlosSeoane, FernandoLindecrantz, Kaj
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