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Electrophysiological estimation of the number of motor units within a human muscle
Journal of Neurology Neurosurgery & Psychiatry · 1971 · Vol. 34(2) · pp. 121–131
Alan J. McComas✉(Newcastle upon Tyne Hospital)P. Fawcett(Newcastle upon Tyne Hospital)M. J. Campbell(Muscular Dystrophy UK)R. E. P. Sica(Muscular Dystrophy UK)
Abstract
An electrophysiological method is described for estimating the numbers of motor units in the extensor digitorum brevis muscle in man. The results obtained are compared with counts of axons in the nerve to the muscle. The significance of the sizes of the evoked motor unit potentials is discussed.
Neuroscience and Neuropharmacology ResearchNeural dynamics and brain functionIon channel regulation and functionElectrophysiologyMotor unitAnatomyHand musclesNeuroscienceBiology
MeSH terms
Action PotentialsAdolescentAdultAxonsChildChild, PreschoolElectric StimulationElectromyographyElectrophysiologyEvoked PotentialsFemaleHumansMaleMembrane PotentialsMethods
Funding
- Medical Research Council
Citations
659
FWCI
8.13
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References
28
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99%
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Cited by
Physiological changes in ageing muscles
Journal of Neurology Neurosurgery & Psychiatry · 1973 · 727 citations
References
Histochemical composition, distribution of fibres and fatiguability of single motor units. Anterior tibial muscle of the rat.
Journal of Neurology Neurosurgery & Psychiatry · 1968 · 658 citations
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