Evolution of surface motor activation zones in hemiplegic patients during 20 sessions of FES therapy with multi-pad electrodes

  • Jovana Malešević | jovana.malesevic@tecnalia.com Tecnalia Serbia Ltd., Belgrade; University of Belgrade, Belgrade, Serbia.
  • Matija Štrbac Tecnalia Serbia Ltd., Belgrade; University of Belgrade – School of Electrical Engineering, Belgrade, Serbia.
  • Milica Isaković Tecnalia Serbia Ltd., Belgrade; University of Belgrade – School of Electrical Engineering, Belgrade, Serbia.
  • Vladimir Kojić Tecnalia Serbia Ltd., Belgrade; Innovation Center, School of Electrical Engineering - University of Belgrade, Belgrade, Serbia.
  • Ljubica Konstantinović Faculty of Medicine - University of Belgrade; Clinic for Rehabilitation “Dr Miroslav Zotović”, Belgrade, Serbia.
  • Aleksandra Vidaković Faculty of Medicine - University of Belgrade; Clinic for Rehabilitation “Dr Miroslav Zotović”, Belgrade, Serbia.
  • Suzana Dedijer University of Belgrade, Belgrade; Clinic for Rehabilitation “Dr Miroslav Zotović”, Belgrade, Serbia.
  • Miloš Kostić Tecnalia Research & Innovation – Health Division, San Sebastián, Spain.
  • Thierry Keller Tecnalia Research & Innovation – Health Division, San Sebastián, Spain.

Abstract

The purpose of this study was to examine surface motor activation zones for wrist, fingers and thumb extension movements and their temporal change during 20 therapy sessions using advanced multi-pad functional electrical stimulation system. Results from four hemiplegic patients indicate that certain zones have higher probability of eliciting each of the target movements. However, mutual overlap and variations of the zones are present not just between the subjects, but also on the intrasubject level, reflected through these session to session transformations of the selected virtual electrodes. The obtained results could be used as a priori knowledge for semi-automated optimization algorithm and could shorten the time required for calibration of the multi-pad electrode.

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Published
2016-06-13
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Section
2016 IFESS Conference
Keywords:
Functional electrical stimulation, Multi-pad electrode, Motor activation zones, Upper extremity, Stroke
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How to Cite
Malešević, J., Štrbac, M., Isaković, M., Kojić, V., Konstantinović, L., Vidaković, A., Dedijer, S., Kostić, M., & Keller, T. (2016). Evolution of surface motor activation zones in hemiplegic patients during 20 sessions of FES therapy with multi-pad electrodes. European Journal of Translational Myology, 26(2). https://doi.org/10.4081/ejtm.2016.6059

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