Article (Scientific journals)
Etude electromyographique paravertebrale dorso-lombaire. Analyse en mode multi-MUP et etablissement de normes au sein d'une population de reference
Tomasella, Marco; Crielaard, Jean-Michel; WANG, François-Charles
2002In Neurophysiologie Clinique, 32 (2), p. 109-17
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Abstract :
[en] OBJECTIVE: The aim of this study was to contribute to draw up reference values relating to electromyographic (EMG) parameters in dorsal and lumbar paraspinal muscles. MATERIALS AND METHODS: 75 healthy subjects without back pain underwent electromyography of multifidus bundles, which are innervated uni-segmentally by the dorsal ram of the spinal nerve. T8, L3, L4, L5 and S1 myotomes were systematically explored. Output variables were spontaneous denervation activity and quantitative EMG data obtained by multi-MUP (Motor Unit action Potential) analysis. RESULTS: No abnormal insertional or spontaneous activity (such as fibrillation, positive sharp waves or fasciculation) was recorded at rest. Neither sex nor age influenced motor unit action potential features in our series. Reference values were drawn up for T8 and L5 segmental levels using the mean values of 20 motor unit potentials in each patient studied, the reference interval being defined by the lower and the upper outlier limits on individual values. CONCLUSION: This study offers reference data to electromyographers to help better identifying possible myogenic or neurogenic pathological changes, especially in lumbosacral radiculopathies.
Disciplines :
Laboratory medicine & medical technology
Author, co-author :
Tomasella, Marco ;  Centre Hospitalier Universitaire de Liège - CHU > Médecine de l'appareil locomoteur
Crielaard, Jean-Michel ;  Université de Liège - ULiège > Département des sciences de la motricité > Evaluation et entraînement des aptitudes physiques
WANG, François-Charles  ;  Centre Hospitalier Universitaire de Liège - CHU > Médecine de l'appareil locomoteur
Language :
French
Title :
Etude electromyographique paravertebrale dorso-lombaire. Analyse en mode multi-MUP et etablissement de normes au sein d'une population de reference
Alternative titles :
[en] Dorsal and Lumbar Paraspinal Electromyographic Study. Multi-Mup Analysis and Drawing up Normal Values in a Reference Population
Publication date :
April 2002
Journal title :
Neurophysiologie Clinique
ISSN :
0987-7053
eISSN :
1769-7131
Publisher :
Elsevier, Paris, France
Volume :
32
Issue :
2
Pages :
109-17
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 04 November 2011

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