References of "Crielaard, Jean-Michel"
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See detailEtude électromyographique paravertébrale dorso-lombaire. Analyse multi-MUP et établissement de normes au sein d'une population de référence.
TOMASELLA, Marco ULg; WANG, François-Charles ULg; CRIELAARD, Jean-Michel ULg

in Abstract Book of 17° Symposium d'Electromyographie et de Réhabilitation neuromusculaire (2000, November 18)

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See detailLa fibromyalgie en l'an 2000
Maquet, Didier ULg; Croisier, Jean-Louis ULg; Crielaard, Jean-Michel ULg

in Revue Médicale de Liège (2000), 55(11), 991-7

Musculoskeletal pain is common in the population. Several pathologies like fibromyalgia (FM), chronic fatigue syndrome (CFS) or spasmophilia are associated with functional myalgia. The etiology of FM ... [more ▼]

Musculoskeletal pain is common in the population. Several pathologies like fibromyalgia (FM), chronic fatigue syndrome (CFS) or spasmophilia are associated with functional myalgia. The etiology of FM remains elusive, but the diagnosis is well established. The criteria for the classification are widespread pain combined with tenderness at 11 or more of the 18 specific tender points sites. The prevalence is 2% in the general population. This article reviews recent data on the pathophysiology and treatment of FM. [less ▲]

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See detailIn Vitro Study of the Antioxidant Properties of Nimesulide and 4-Oh Nimesulide: Effects on Hrp- and Luminol-Dependent Chemiluminescence Produced by Human Chondrocytes
Zheng, S. X.; Mouithys-Mickalad, Ange ULg; Deby-Dupont, G. P. et al

in Osteoarthritis and Cartilage (2000), 8(6), 419-25

OBJECTIVES: Reactive oxygen species (ROS) are now recognized to play an important role in the pathogenesis of rheumatic diseases and constitute an interesting therapeutic target for drugs. This in vitro ... [more ▼]

OBJECTIVES: Reactive oxygen species (ROS) are now recognized to play an important role in the pathogenesis of rheumatic diseases and constitute an interesting therapeutic target for drugs. This in vitro study was designed to evaluate the antioxidant properties of nimesulide (NIM), a nonsteroidal antiinflammatory drug of the sulfonanilide class, and its main metabolite 4-OH nimesulide (4-OHNIM). METHODS: The scavenging effects of NIM and 4-OH NIM on hydroxyl radical ((.)OH) and superoxide anions (O(minusd)(2)) were investigated by electron spin resonance (ESR), using 5, 5-dimethylpyrroline-N-oxide (DMPO) as the spin trap agent. The quenching properties of these drugs on hypochlorite anion was studied by luminol enhanced chemiluminescence. Finally, the effects of NIM and 4-OHNIM on the reactive oxygen species production by human articular chondrocytes were recorded by HRP and luminol-enhanced chemiluminescence. RESULTS: By this method it has been demonstrated that NIM and 4-OHNIM, at concentrations ranging from 10 to 100 microM, are potent scavengers of(.)OH whereas only 4-OHNIM was capable to scavenge O(minusd)(2). Chemiluminescence generated by HOCl was also significantly and dose-dependently inhibited by both NIM and 4-OHNIM. Nevertheless, at each concentration tested, the inhibitory effect of 4-OHNIM was significantly more marked, even at the highest concentration (100 microM). Furthermore, when chondrocytes were pre-incubated for 48-96 h with NIM or 4-OHNIM, the luminol- and HRP-dependent CL produced by the cells was significantly inhibited in a dose-dependent manner. CONCLUSIONS: NIM and 4-OHNIM may protect cartilage against oxidative stress, not only by scavenging ROS but also by inhibiting their production by chondrocytes. [less ▲]

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See detailContribution à l’étude de la fonction musculaire du sujet fibromyalgique
Maquet, Didier ULg; Croisier, Jean-Louis ULg; Renard, Cindy ULg et al

in Actes du symposium « Evidence Based Physiotherapy » de la Fédération Nationale des Docteurs et Licenciés en Kinésithérapie (2000, October)

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See detailEvaluation isocinétique des muscles rotateurs externes et internes de l’épaule après transfert coracoïdien. Influence de la ténotomie du sous-scapulaire.
Willems, S.; Berger, J. P.; Houben, G. et al

in Proceedings of the 14th Congress of the European Society for Surgery of the Shoulder and the Elbow (2000, September)

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See detailMuscle damage induced by concentric fatigue protocol. Comparative study between males and females
Croisier, Jean-Louis ULg; Maquet, Didier ULg; Camus, Gérard et al

in Proceedings of the 5th Annual Congress of the European College of Sport Science (2000, July)

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See detailSpatial Distribution of Blood Flow in Electrically Stimulated Human Muscle: A Positron Emission Tomography Study
Vanderthommen, Marc ULg; Depresseux, J. C.; Dauchat, L. et al

in Muscle & Nerve (2000), 23(4), 482-9

Neuromuscular electrical stimulation (NMES) was studied with positron emission tomography (PET) and H(2)(15)O in the quadriceps muscle of 11 men. The subjects were submitted to simultaneous bilateral ... [more ▼]

Neuromuscular electrical stimulation (NMES) was studied with positron emission tomography (PET) and H(2)(15)O in the quadriceps muscle of 11 men. The subjects were submitted to simultaneous bilateral isometric contraction (5 s)-rest (5 s) cycles for 12 min, with a workload corresponding to 5% of quadriceps maximal isometric voluntary torque (QMIVT) for one thigh (5%T) and 10% of QMIVT for the other (10%T). Scans were centered at the electrodes and tissue blood flow (TBF) was evaluated in square regions of interest (ROIs) (3.5 cm(2)) in the transverse section (TS) of both thighs. The mean TBF reached 8.9 mL min(-1) 100 g(-1) in the TS of the 5%T and 11.5 mL min(-1) 100 g(-1) in the TS of the 10%T (P > 0.05). A negative linear relationship was found for both thighs between the ROI-electrode distance and the TBF (P </= 0.009). The mean percentage of activated ROIs (TBF > 5 mL min(-1) 100 g(-1)) was lower in the 5%T than in the 10%T (50.6% vs. 62.2%; P = 0.017). With NMES, the pattern of spatial recruitment appears linked to electrode proximity and is spatially extended. These results confirm the utility of combining NMES with voluntary exercise in the treatment of atrophied muscle. [less ▲]

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See detailExercices excentriques appliqués au traitement des tendinites
Forthomme, Bénédicte ULg; Croisier, Jean-Louis ULg; Godon, Bernard ULg et al

in Kine 2000, Revue Européenne de la Kinésithérapie (2000), 11

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See detailIsokinetic measurement of forearm pronators-supinators and wrist flexors-extensors in normal subjects
Forthomme, Bénédicte ULg; Croisier, Jean-Louis ULg; Heinzius, C. et al

in Isokinetics & Exercise Science (2000, March), 8

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See detailInterest of a specific training to reduce DOMS
Croisier, Jean-Louis ULg; Camus, Gérard; Crielaard, Jean-Michel ULg

in Isokinetics & Exercise Science (2000, March), 8

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See detailHamstring muscle strain: interest of the eccentric assessment and preventive aspects
Croisier, Jean-Louis ULg; Crielaard, Jean-Michel ULg

in Isokinetics & Exercise Science (2000, March), 8

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See detailIsokinetic evaluation of knee extensors and flexors in patients with unilateral symptomatic gonarthrosis
Henrotin, Yves ULg; Croisier, Jean-Louis ULg; Dumont, R. et al

in Isokinetics & Exercise Science (2000, March), 8

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See detailIsokinetic evaluation of hip strength muscle groups in unilateral lower limb amputees
Croisier, Jean-Louis ULg; Maertens De Noordhout, Benoît; Camus, Gérard et al

in Isokinetics & Exercise Science (2000, March), 8

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See detailModulation of human chondrocyte metabolism by recombinant human interferon.
Henrotin, Yves ULg; Zheng, S X; Labasse, A H et al

in Osteoarthritis and Cartilage (2000), 8(6), 474-82

OBJECTIVES: Interferon gamma (IFN gamma) is found to be elevated in the synovial fluid of patients with rheumatoid arthritis and osteoarthritis, suggesting its implication in joint disease pathogenesis ... [more ▼]

OBJECTIVES: Interferon gamma (IFN gamma) is found to be elevated in the synovial fluid of patients with rheumatoid arthritis and osteoarthritis, suggesting its implication in joint disease pathogenesis. In this study, we investigated the effects of IFN gamma on the production of cytokines (IL-6, IL-8, IL-10), prostaglandin E(2)(PGE(2)), proteoglycans (PG), nitric oxide (NO), interleukin-1 receptor antagonist (IL-1ra) and stromelysin by non-stimulated and IL-1 beta-treated human chondrocytes. The role played by NO in the responses of chondrocytes to IFN gamma was also examined by incubation of chondrocytes with N(G)-monomethyl-L-arginine (L-NMMA), a competitive inhibitor of NO synthase. METHODS: Enzymatically isolated human chondrocytes were cultured for 48 h in the absence or presence of IL-1 beta, IFN gamma or N(G)-monomethyl-L-arginine (L-NMMA) added solely or in combination. The productions of IL-6, IL-8, IL-10, IL-1ra and stromelysin were measured by enzyme amplified sensitivity immunoassays (EASIA). PG and PGE(2)were quantified by specific radioimmunoassays (RIA). Nitrite concentrations in the culture supernatants were determined by a spectrophotometric method based upon the Griess reaction. RESULTS: As expected, IL-1 beta highly stimulated NO, IL-6, IL-8, IL-10, IL-1ra, PGE(2)and stromelysin synthesis, but dramatically decreased PG production. NO, IL-6, IL-1ra and PGE(2)production by non-stimulated chondrocytes was dose-dependently increased by IFN gamma while PG production was inhibited. In the absence of IL-1 beta, IL-10 was undetectable in the culture supernatants. At the doses of 10 and 100 U/ml, IFN gamma markedly inhibited the constitutive and IL-1 beta-stimulated IL-8, IL-10 and stromelysin productions. Interestingly, IFN gamma synergized with IL-1 beta to increase NO, IL-6, IL-1ra and to depress PG production. As previously reported, the inhibition of NO synthesis by the competitive inhibitor L-NMMA led to enhancement of IL-6, IL-8 and PGE(2)production by IL-1 beta treated chondrocytes, but did not significantly modify IL-10, PG and MMP-3 productions. Inhibition of NO synthase significantly inhibited the stimulating effect of IFN gamma on IL-6 and IL-1ra but did not affect the inhibitory effect of IFN gamma on IL-8, PG or stromelysin production. CONCLUSIONS: These findings suggest that IFN gamma and IL-1 synergistically stimulate the production of IL-6, IL-1ra, NO and PGE(2)and inhibit PG synthesis. By contrast, IL-1 beta and IFN gamma have opposite effects on IL-8, IL-10 and stromelysin productions. These effects are not reversed by L-NMMA, suggesting that NO is not the principal mediator involved in responses of chondrocytes to IFN gamma. [less ▲]

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See detailBases scientifiques du traitement physique de la gonarthrose
Henrotin, Yves ULg; Croisier, Jean-Louis ULg; Reginster, Jean-Yves ULg et al

in KINE 2000 (2000), 11(4), 86-94

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See detailIsokinetic evaluation of knee extensors and flexors in patients with unilateral symptomatic gonarthrosis
Henrotin, Yves ULg; Croisier, Jean-Louis ULg; Dumont, R et al

in Annals of the Rheumatic Diseases (2000), 59(S1), 275

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