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Changes in impedance at the electrode-skin interface of surface EMG electrodes during long-term EMG recordings

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Changes in the impedance at the electrode-skin interface of SEMG electrodes on the tibialis anterior were assessed in nine subjects. SEMG signals were recorded using a bipolar electrode configuration that conformed to the SENIAM recommendations for SEMG data collection. Impedance measurements were made between a pair of bipolar electrodes using a custom-built device consisting of a PC and an impedance conversion circuit. The impedance device enabled the simultaneous application and recording of a waveform constructed of a known combination of sinusoids passed between the two electrodes. SEMG recordings at 10% of each subject's maximal voluntary force during ankle dorsiflexion were made for a 30-s period every 15-min over a two hour period. Impedance was measured immediately before and after each SEMG recording. All subjects gave their written informed consent.
Original languageEnglish
Title of host publicationnan
PublisherInstitute of Electrical and Electronics Engineers Inc.
Volume23
ISBN (Print)0780372115
DOIs
Publication statusPublished - 31 Dec 2001
Event23rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society - Istanbul, Turkey
Duration: 25 Oct 200128 Oct 2001

Conference

Conference23rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society
Country/TerritoryTurkey
CityIstanbul
Period25/10/0128/10/01
Other23rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society (25/10/2001-28/10/2001, Istanbul)

Keywords

  • impedance
  • surface electromyography
  • Electromyography

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