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Quantitative electromyography: Normative data in paraspinal muscles

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Jeppesen, Tina D ; Krarup, Christian ; Levison, Lotte ; Codeluppi, Luca. / Quantitative electromyography : Normative data in paraspinal muscles. In: Muscle & Nerve. 2020 ; Vol. 62, No. 3. pp. 358-362.

Bibtex

@article{41442b6ca7da4473b019b1c0228ef936,
title = "Quantitative electromyography: Normative data in paraspinal muscles",
abstract = "BACKGROUND: Quantitative electromyography of paraspinal muscle is a valuable diagnostic tool, but normative data are lacking.METHODS: Needle electromyography (EMG) was obtained in 65 healthy subjects (49% men, 51% women) aged 21 to 82 years at C7, Th10, and L5 segments bilaterally. The incidence of spontaneous activity; motor unit potential (MUP) amplitudes, durations, and the incidence of polyphasic potentials; and the recruitment pattern at maximal voluntary contraction (MVC) were evaluated.RESULTS: The incidence of fibrillation potentials was similar to limb muscles. The mean MUP duration and amplitude, and the amplitude at MVC increased caudally, while the incidence of polyphasic potentials was similar at all levels. EMG parameters did not correlate with sex or age.CONCLUSIONS: In contrast to limb muscles, EMG parameters did not change with age, while polyphasic potentials were more frequent in paraspinal muscle than in limb muscles. The EMG gradient suggests larger motor units at more caudal segments.",
keywords = "Action Potentials/physiology, Adult, Aged, Aged, 80 and over, Electromyography, Female, Humans, Male, Middle Aged, Muscle Contraction/physiology, Paraspinal Muscles/physiology, Reference Values, Young Adult, quantitative electromyography, paraspinal muscle, myopathy, neuromuscular disorder, anterior horn cell disease, spinal segment, normative data, head drop, EMG",
author = "Jeppesen, {Tina D} and Christian Krarup and Lotte Levison and Luca Codeluppi",
note = "{\textcopyright} 2020 Wiley Periodicals, Inc.",
year = "2020",
month = sep,
doi = "10.1002/mus.27000",
language = "English",
volume = "62",
pages = "358--362",
journal = "Muscle and Nerve",
issn = "0148-639X",
publisher = "John/Wiley & Sons, Inc. John/Wiley & Sons Ltd",
number = "3",

}

RIS

TY - JOUR

T1 - Quantitative electromyography

T2 - Normative data in paraspinal muscles

AU - Jeppesen, Tina D

AU - Krarup, Christian

AU - Levison, Lotte

AU - Codeluppi, Luca

N1 - © 2020 Wiley Periodicals, Inc.

PY - 2020/9

Y1 - 2020/9

N2 - BACKGROUND: Quantitative electromyography of paraspinal muscle is a valuable diagnostic tool, but normative data are lacking.METHODS: Needle electromyography (EMG) was obtained in 65 healthy subjects (49% men, 51% women) aged 21 to 82 years at C7, Th10, and L5 segments bilaterally. The incidence of spontaneous activity; motor unit potential (MUP) amplitudes, durations, and the incidence of polyphasic potentials; and the recruitment pattern at maximal voluntary contraction (MVC) were evaluated.RESULTS: The incidence of fibrillation potentials was similar to limb muscles. The mean MUP duration and amplitude, and the amplitude at MVC increased caudally, while the incidence of polyphasic potentials was similar at all levels. EMG parameters did not correlate with sex or age.CONCLUSIONS: In contrast to limb muscles, EMG parameters did not change with age, while polyphasic potentials were more frequent in paraspinal muscle than in limb muscles. The EMG gradient suggests larger motor units at more caudal segments.

AB - BACKGROUND: Quantitative electromyography of paraspinal muscle is a valuable diagnostic tool, but normative data are lacking.METHODS: Needle electromyography (EMG) was obtained in 65 healthy subjects (49% men, 51% women) aged 21 to 82 years at C7, Th10, and L5 segments bilaterally. The incidence of spontaneous activity; motor unit potential (MUP) amplitudes, durations, and the incidence of polyphasic potentials; and the recruitment pattern at maximal voluntary contraction (MVC) were evaluated.RESULTS: The incidence of fibrillation potentials was similar to limb muscles. The mean MUP duration and amplitude, and the amplitude at MVC increased caudally, while the incidence of polyphasic potentials was similar at all levels. EMG parameters did not correlate with sex or age.CONCLUSIONS: In contrast to limb muscles, EMG parameters did not change with age, while polyphasic potentials were more frequent in paraspinal muscle than in limb muscles. The EMG gradient suggests larger motor units at more caudal segments.

KW - Action Potentials/physiology

KW - Adult

KW - Aged

KW - Aged, 80 and over

KW - Electromyography

KW - Female

KW - Humans

KW - Male

KW - Middle Aged

KW - Muscle Contraction/physiology

KW - Paraspinal Muscles/physiology

KW - Reference Values

KW - Young Adult

KW - quantitative electromyography

KW - paraspinal muscle

KW - myopathy

KW - neuromuscular disorder

KW - anterior horn cell disease

KW - spinal segment

KW - normative data

KW - head drop

KW - EMG

UR - http://www.scopus.com/inward/record.url?scp=85087445687&partnerID=8YFLogxK

U2 - 10.1002/mus.27000

DO - 10.1002/mus.27000

M3 - Journal article

C2 - 32530492

VL - 62

SP - 358

EP - 362

JO - Muscle and Nerve

JF - Muscle and Nerve

SN - 0148-639X

IS - 3

ER -

ID: 61348567