Cited by 168Neuroscience and Neural EngineeringStroke Rehabilitation and RecoveryMuscle activation and electromyography studies

Cutaneous whole nerve recordings used for correction of footdrop in hemiplegic man

Haugland, M.K., Sinkjaer, T.·1995·IEEE Transactions on Rehabilitation Engineering

Abstract

One hemiplegic patient with a dropfoot was chronically implanted with a cuff on the sural nerve, and recordings were made regularly during a period of two years. The results showed that the human sural nerve responded in a similar way to mechanical inputs applied on the skin, as the tibial nerve did in cats (M.K. Haugland, et al., ibid., vol. 2, p. 18-28, 1994), indicating that previous experimental systems using natural sensory feedback for closed-loop FNS are possible to adapt to humans. During walking, the recorded nerve signal modulated strongly and gave a clearly detectable response at foot contact and a silent period when the foot was in the air through the swing phase of the walking cycle. A portable system was built that used the recorded signal to control a peroneal stimulator to correct for footdrop. There were two reasons for this: first, to show in a relatively simple system the possibility of solving the practical problems involved in recording nerve activity during stimulation and second, to remove the external heel switch used in existing systems for footdrop correction, thereby making it possible to use such systems without footwear and preparing it to be a totally implantable system. The method for removing artifacts, as developed in animal experiments, was adapted to provide usable nerve signals while stimulating the ankle dorsiflexor muscles.

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Crossref · 10.1109/86.481970

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Authors
Haugland, M. K., & Sinkjaer, T.
Affiliations
Aalborg University (DK)
Venue
IEEE Transactions on Rehabilitation Engineering
Published
1995
Volume
3
Issue
4
Pages
307-317
ISSN
1063-6528 (ISSN-L)
OpenAlex
W2110760239
Cited by
168
References
0
Citations by year
2024: 1 · 2022: 4 · 2021: 5 · 2020: 2 · 2019: 5 · 2018: 2 · 2017: 4 · 2016: 4 · 2015: 4 · 2014: 2 · 2013: 11 · 2012: 5
FWCI
1.06
Type
journal article
Language
en
Open access
closed
Locations
  • IEEE Transactions on Rehabilitation Engineering (publishedVersion)
  • VBN Forskningsportal (Aalborg Universitet) (submittedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neural Engineering
  • Health Sciences › Medicine › Rehabilitation › Stroke Rehabilitation and Recovery
  • Physical Sciences › Engineering › Biomedical Engineering › Muscle activation and electromyography studies
Keywords
foot drop, sural nerve, closed-loop neuromodulation, hemiplegia, ankle dorsiflexor muscles, gait, artifact removal

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