Single fibre action potentials in skeletal muscle related to recording distances

B.K. van Veen, E. Mast, R. Busschers, A.J. Verloop, W. Wallinga, W.L.C. Rutten, P.O. Gerrits, H.B.K. Boom

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Abstract

Single muscle fibre action potentials (SFAPs) are considered to be functions of a bioelectrical source and electrical conductivity parameters of the medium. In most model studies SFAPs are computed as a convolution of the bioelectrical source with a transfer function. Calculated peak-to-peak amplitudes of SFAPs decrease with increasing recording distances. In this paper an experimental validation of model results is presented. Experiments were carried out on the m. extensor digitorum longus (EDL) of the rat. Using a method including fluorescent labelling of the active fibre, the distance between the active fibre and the recording electrode was derived. With another method, the decline of the peak-to-peak amplitude of SFAPs detected along a multi-electrode was obtained. With both experimental methods, in general peak-to-peak amplitudes of SFAPs decreased with increasing recording distances, as was found in model results with present volume conduction theory. However, this behaviour was not found in all experiments. The rate of decline of the peak-to-peak amplitudes with recording distance was always less than in models.
Original languageEnglish
Pages (from-to)37-46
JournalJournal of electromyography and kinesiology
Volume4
Issue number1
DOIs
Publication statusPublished - 1994

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Action Potentials
Skeletal Muscle
Muscles
Electrodes
Electric Conductivity
Theoretical Models

Keywords

  • Single fibre electromyography
  • Wire electrodes
  • Multi-electrode
  • Fibre labelling
  • Rat muscle

Cite this

van Veen, B. K., Mast, E., Busschers, R., Verloop, A. J., Wallinga, W., Rutten, W. L. C., ... Boom, H. B. K. (1994). Single fibre action potentials in skeletal muscle related to recording distances. Journal of electromyography and kinesiology, 4(1), 37-46. https://doi.org/10.1016/1050-6411(94)90025-6
van Veen, B.K. ; Mast, E. ; Busschers, R. ; Verloop, A.J. ; Wallinga, W. ; Rutten, W.L.C. ; Gerrits, P.O. ; Boom, H.B.K. / Single fibre action potentials in skeletal muscle related to recording distances. In: Journal of electromyography and kinesiology. 1994 ; Vol. 4, No. 1. pp. 37-46.
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van Veen, BK, Mast, E, Busschers, R, Verloop, AJ, Wallinga, W, Rutten, WLC, Gerrits, PO & Boom, HBK 1994, 'Single fibre action potentials in skeletal muscle related to recording distances' Journal of electromyography and kinesiology, vol. 4, no. 1, pp. 37-46. https://doi.org/10.1016/1050-6411(94)90025-6

Single fibre action potentials in skeletal muscle related to recording distances. / van Veen, B.K.; Mast, E.; Busschers, R.; Verloop, A.J.; Wallinga, W.; Rutten, W.L.C.; Gerrits, P.O.; Boom, H.B.K.

In: Journal of electromyography and kinesiology, Vol. 4, No. 1, 1994, p. 37-46.

Research output: Contribution to journalArticleAcademicpeer-review

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T1 - Single fibre action potentials in skeletal muscle related to recording distances

AU - van Veen, B.K.

AU - Mast, E.

AU - Busschers, R.

AU - Verloop, A.J.

AU - Wallinga, W.

AU - Rutten, W.L.C.

AU - Gerrits, P.O.

AU - Boom, H.B.K.

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AB - Single muscle fibre action potentials (SFAPs) are considered to be functions of a bioelectrical source and electrical conductivity parameters of the medium. In most model studies SFAPs are computed as a convolution of the bioelectrical source with a transfer function. Calculated peak-to-peak amplitudes of SFAPs decrease with increasing recording distances. In this paper an experimental validation of model results is presented. Experiments were carried out on the m. extensor digitorum longus (EDL) of the rat. Using a method including fluorescent labelling of the active fibre, the distance between the active fibre and the recording electrode was derived. With another method, the decline of the peak-to-peak amplitude of SFAPs detected along a multi-electrode was obtained. With both experimental methods, in general peak-to-peak amplitudes of SFAPs decreased with increasing recording distances, as was found in model results with present volume conduction theory. However, this behaviour was not found in all experiments. The rate of decline of the peak-to-peak amplitudes with recording distance was always less than in models.

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