Surface-distributed low-frequency asynchronous stimulation delays fatigue of stimulated muscles.

Lana Z.Popović Maneski; Nebojša M. Malešević; Andrej M. Savić; Thierry Keller; Dejan B. Popović

doi:10.1002/mus.23840

Surface-distributed low-frequency asynchronous stimulation delays fatigue of stimulated muscles.

Lana Z.Popović Maneski^*, Nebojša M. Malešević, Andrej M. Savić, Thierry Keller, Dejan B. Popović

^*Corresponding author for this work

TECNALIA Research & Innovation

Research output: Contribution to journal › Article › peer-review

51 Citations (Scopus)

Abstract

One important reason why functional electrical stimulation (FES) has not gained widespread clinical use is the limitation imposed by rapid muscle fatigue due to non-physiological activation of the stimulated muscles. We aimed to show that asynchronous low-pulse-rate (LPR) electrical stimulation applied by multipad surface electrodes greatly postpones the occurrence of muscle fatigue compared with conventional stimulation (high pulse rate, HPR). We compared the produced force vs. time of the forearm muscles responsible for finger flexion in 2 stimulation protocols, LPR (fL = 10 Hz) and HPR (fH = 40 Hz). Results: Surface-distributed low-frequency asynchronous stimulation (sDLFAS) doubles the time interval before the onset of fatigue (104 ± 80%) compared with conventional synchronous stimulation. Combining the performance of multipad electrodes (increased selectivity and facilitated positioning) with sDLFAS (decreased fatigue) can improve many FES applications in both the lower and upper extremities.

Original language	English
Pages (from-to)	930-937
Number of pages	8
Journal	Muscle and Nerve
Volume	48
Issue number	6
DOIs	https://doi.org/10.1002/mus.23840
Publication status	Published - Dec 2013

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title = "Surface-distributed low-frequency asynchronous stimulation delays fatigue of stimulated muscles.",

abstract = "One important reason why functional electrical stimulation (FES) has not gained widespread clinical use is the limitation imposed by rapid muscle fatigue due to non-physiological activation of the stimulated muscles. We aimed to show that asynchronous low-pulse-rate (LPR) electrical stimulation applied by multipad surface electrodes greatly postpones the occurrence of muscle fatigue compared with conventional stimulation (high pulse rate, HPR). We compared the produced force vs. time of the forearm muscles responsible for finger flexion in 2 stimulation protocols, LPR (fL = 10 Hz) and HPR (fH = 40 Hz). Results: Surface-distributed low-frequency asynchronous stimulation (sDLFAS) doubles the time interval before the onset of fatigue (104 ± 80%) compared with conventional synchronous stimulation. Combining the performance of multipad electrodes (increased selectivity and facilitated positioning) with sDLFAS (decreased fatigue) can improve many FES applications in both the lower and upper extremities.",

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AU - Maneski, Lana Z.Popović

AU - Malešević, Nebojša M.

AU - Savić, Andrej M.

AU - Keller, Thierry

AU - Popović, Dejan B.

PY - 2013/12

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N2 - One important reason why functional electrical stimulation (FES) has not gained widespread clinical use is the limitation imposed by rapid muscle fatigue due to non-physiological activation of the stimulated muscles. We aimed to show that asynchronous low-pulse-rate (LPR) electrical stimulation applied by multipad surface electrodes greatly postpones the occurrence of muscle fatigue compared with conventional stimulation (high pulse rate, HPR). We compared the produced force vs. time of the forearm muscles responsible for finger flexion in 2 stimulation protocols, LPR (fL = 10 Hz) and HPR (fH = 40 Hz). Results: Surface-distributed low-frequency asynchronous stimulation (sDLFAS) doubles the time interval before the onset of fatigue (104 ± 80%) compared with conventional synchronous stimulation. Combining the performance of multipad electrodes (increased selectivity and facilitated positioning) with sDLFAS (decreased fatigue) can improve many FES applications in both the lower and upper extremities.

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Surface-distributed low-frequency asynchronous stimulation delays fatigue of stimulated muscles.

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