Concentric needle electrode duration measurement and uptake area

Sanjeev D. Nandedkar; Daniel Dumitru; John C King

doi:10.1002/(SICI)1097-4598(199710)20:10<1225::AID-MUS3>3.0.CO;2-E

Concentric needle electrode duration measurement and uptake area

Sanjeev D. Nandedkar, Daniel Dumitru, John C King

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

26 Scopus citations

Abstract

Motor unit action potentials (MUAPs) were recorded with a standard concentric needle electrode inserted into the right biceps brachii muscle with different angular orientations of the beveled recording surface to the muscle fibers. Contrary to the predictions from computer simulations, the MUAP duration remained constant during needle rotation. This finding is used to reexamine the previous assumptions regarding the concentric needle's spatial uptake recording territory and the implications with respect to MUAP duration measurements.

Original language	English (US)
Pages (from-to)	1225-1228
Number of pages	4
Journal	Muscle and Nerve
Volume	20
Issue number	10
DOIs	https://doi.org/10.1002/(SICI)1097-4598(199710)20:10<1225::AID-MUS3>3.0.CO;2-E
State	Published - 1997
Externally published	Yes

Keywords

Computer simulations
Concentric needle
Motor unit action potential duration
Motor unit recording territory
Volume conduction

ASJC Scopus subject areas

Physiology
Clinical Neurology
Cellular and Molecular Neuroscience
Physiology (medical)

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10.1002/(SICI)1097-4598(199710)20:10<1225::AID-MUS3>3.0.CO;2-E

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year = "1997",

doi = "10.1002/(SICI)1097-4598(199710)20:10<1225::AID-MUS3>3.0.CO;2-E",

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AU - Nandedkar, Sanjeev D.

AU - Dumitru, Daniel

AU - King, John C

PY - 1997

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AB - Motor unit action potentials (MUAPs) were recorded with a standard concentric needle electrode inserted into the right biceps brachii muscle with different angular orientations of the beveled recording surface to the muscle fibers. Contrary to the predictions from computer simulations, the MUAP duration remained constant during needle rotation. This finding is used to reexamine the previous assumptions regarding the concentric needle's spatial uptake recording territory and the implications with respect to MUAP duration measurements.

KW - Computer simulations

KW - Concentric needle

KW - Motor unit action potential duration

KW - Motor unit recording territory

KW - Volume conduction

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Concentric needle electrode duration measurement and uptake area

Abstract

Keywords

ASJC Scopus subject areas

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