Reference : Fibromyalgia and related conditions: Electromyogram profile during isometric muscle cont...
Scientific journals : Article
Human health sciences : Laboratory medicine & medical technology
Human health sciences : Orthopedics, rehabilitation & sports medicine
http://hdl.handle.net/2268/40448
Fibromyalgia and related conditions: Electromyogram profile during isometric muscle contraction
English
Maquet, Didier mailto [Université de Liège - ULg > Département des sciences de la motricité > Département des sciences de la motricité >]
Croisier, Jean-Louis mailto [Université de Liège - ULg > Département des sciences de la motricité > Kinésithérapie générale et réadaptation >]
Dupont, Catherine [Université de Liège - ULg > > Médecine de l'appareil locomoteur >]
Moutschen, Michel mailto [Université de Liège - ULg > Département des sciences cliniques > GIGA-R:Immunopath. - Maladies infect. et médec. inter. gén. >]
Ansseau, Marc mailto [Université de Liège - ULg > Département des sciences cliniques > Psychiatrie et psychologie médicale >]
Zeevaert, Bernard [Université de Liège - ULg > > Médecine de l'appareil locomoteur >]
Crielaard, Jean-Michel mailto [Université de Liège - ULg > Département des sciences de la motricité > Evaluation et entraînement des aptitudes physiques - Médecine physique et réadaptation fonctionnelle >]
2010
Joint Bone Spine
Elsevier Science
77
264–267
Yes (verified by ORBi)
International
1297-319X
1778-7254
Paris
France
[en] Fibromyalgia ; Chronic fatigue syndrome ; depression ; muscle ; electromyogram
[en] Objectives: To evaluate electromyogram (EMG) profiles in patients with three related conditions:
fibromyalgia, chronic fatigue syndrome, and depression.
Methods: We studied 44 healthy volunteers, 22 patients with fibromyalgia, 11 patients with chronic
fatigue syndrome, and 10 patients admitted for depression. The trapezius electromyogram was recorded during maximally sustained, bilateral, 90◦ abduction of the shoulders. EMG signal frequency and amplitude were measured throughout the test.
Results: In the fibromyalgia group, isometric contraction duration was significantly shorter than in the other two patient groups (P < 0.001) and the EMG frequency and amplitude pattern indicated premature discontinuation of the muscle contraction. Findings in the chronic fatigue patients were similar to those in the healthy controls. The patients with depression had a distinctive EMG profile characterized by excessive initial motor-unit recruitment with a shift in the frequency spectrum.
Conclusions: Fibromyalgia was associated with a specific EMG pattern indicating premature discontinuation of the muscle contraction. Therefore, maximal voluntary muscle contraction tests may be of limited value for assessing function in fibromyalgia patients. Chronic fatigue syndrome patients had similar EMG findings to those in the healthy controls. The EMG alterations in the patients with depression were consistent with manifestations of psychomotor retardation.
Researchers ; Professionals ; Students
http://hdl.handle.net/2268/40448

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