References of "Demoulin, Christophe"
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See detailOPTIMAL ELECTRODES SETTING FOR TRANSCUTANEOUS ELECTRICAL STIMULATION OF THE QUADRICEPS
Vanderthommen, Marc ULg; Troka, Sylvie; Demoulin, Christophe ULg

in Loland, S.; Fasting, K.; Ommundsen, Y. (Eds.) et al Book of Abstracts of 14th annual Congress of the European College of Sport Science (2009, June)

Introduction Treatment or training sessions with neuromuscular electrical stimulations (NMES) are generally performed in a transcutaneous manner with the aid of surface electrodes. Several investigators ... [more ▼]

Introduction Treatment or training sessions with neuromuscular electrical stimulations (NMES) are generally performed in a transcutaneous manner with the aid of surface electrodes. Several investigators have highlighted the benefits of quadriceps stimulation during rehabilitation following traumatic injury or surgery of the knee and during physical preparation of athletes (Kramer and Mendryyk, 1982). However, the practical modalities of quadriceps stimulation (number, size and localization of electrodes) remain controversial (Vanderthommen and Duchateau, 2007). The present work aimed to determine the optimal electrodes setting for NMES applied to the quadriceps. Methods Twenty physically active men (23 ± 2 years, 180 ± 8 cm, 75 ± 12 Kg) underwent first an evaluation of left quadriceps maximal isometric voluntary torque (QMIVT). The exact localization of the motor points of vastus medialis (MPVM) and vastus lateralis (MPVL) was also determined. Then, we tested unilaterally, isometrically and consecutively five electrodes settings (ES) including rectangular (10 x 5 cm) (RE) or square (5 x 5 cm) (SE) electrodes, with identical stimulation parameters (biphasic symmetric rectangular pulses, 80 Hz, pulse duration 0.35 ms, constant current intensity (42 ± 11 mA)): ES1= 1 channel, 2 RE transversally on the thigh (with the distal electrode placed on MPVM and MPVL); ES2= 1 channel, 2 RE longitudinally on MPVM and MPVL; ES3= 1 channel, 2 SE on MPVM and MPVL; ES4= 2 channels, 4 SE (with 2 SE placed on MPVM and MPVL); ES5= 2 channels, channel 1= 1 SE on MPVM and 1 RE transversally on the proximal part of the thigh, channel 2= 1 SE on MPVL and 1 RE transversally on the proximal part of the thigh. For each ES we measured the electrostimulated torque. Results The mean QMIVT reached 200 ± 51 Nm. The MPVM and MPVL were situated 10 ± 2 cm and 14 ± 3 from the patellar base, respectively. The stimulated contractions reached 9.2 ± 7.4 Nm (4.6% of QMIVT) for ES1, 8 ± 4.8 Nm (4% of QMIVT) for ES2, 15 ± 8.3 Nm (7.5% of QMIVT) for ES3, 16.3 ± 7.7 Nm (8.2% of QMIVT) for ES4 and 40.4 ± 11.3 Nm (20.2% of QMIVT) for ES5 (p<0.05). Discussion During NMES programs it appears crucial to use a proper electrode setting ensuring efficient muscle recruitment and therefore optimized training effects. However, physiotherapists and trainers often place electrodes empirically especially for NMES applied to the quadriceps. This study demonstrated the relevance of using two channels for quadriceps NMES and of setting, for each channel, one small “excitative” electrode exactly on the motor point of vastus medialis or lateralis and one bigger “dispersive” electrode transversally on the proximal part of the thigh (in order to close the circuit). References Kramer JF, Mendryyk SW. (1982). Phys Ther, 4, 1657-1667. Vanderthommen M, Duchateau J. (2007). Exerc Sport Sci Rev, 35, 180-185. [less ▲]

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See detailDoes electrical stimulation of knee extensor and flexor muscles induce DOMS?
Vanderthommen, Marc ULg; Triffaux, Mylène; Demoulin, Christophe ULg et al

in Loland, S.; Fasting, K.; Hallen, J. (Eds.) et al Book of Abstracts of 14th annual Congress of the European College of Sport Science (2009, June)

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See detailUse of Borg Scale in Patients with Chronic Low Back Pain Attending a Physical Training
Verbunt, Jeanine; Demoulin, Christophe ULg; Winkens, Bjorn et al

in Abstract book of the Boston International Forum X - Primary Care Research on low back pain (2009, June)

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See detailFactors Influencing Responsiveness and Interpretability of the Roland-Morris Disability Questionnaire
Demoulin, Christophe ULg; Smeets, Rob; Ostelo, Raymond et al

in Abstract book of the Boston International Forum X - Primary Care Research on low back pain (2009, June)

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See detailDoes Time Influence Reproducibility of the Roland-Morris Disability Questionnaire?
Smeets, Rob; Demoulin, Christophe ULg; Knottnerus, André

in Abstract book of the Boston International Forum X - Primary Care Research on low back pain (2009, June)

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See detailResponsiveness and interpretability of the Quebec back pain disability scale
Demoulin, Christophe ULg; Ostelo, R.; Knottnerus, A. J. et al

in Pain Practice (2009, March), 9(Supp 1), 120-121

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See detailCan the Borg scale for perceived exertion be used in patients with chronic low back pain?
Demoulin, Christophe ULg; Verbunt, J. A.; Knottnerus, A. J. et al

in Pain Practice (2009, March), 9(Supp 1), 120

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See detailCardiovascular Responses to Static Assessments of Trunk Muscles
Demoulin, Christophe ULg; Grosdent, Stéphanie ULg; Bury, Thierry ULg et al

in Journal of Musculoskeletal Pain (2009), 17(4), 378-389

Objectives: To investigate the cardiovascular responses to standard static assessments of strength and endurance of trunk extensor muscles. Methods: Trunk extensor performances of ten healthy men, 48.2±5 ... [more ▼]

Objectives: To investigate the cardiovascular responses to standard static assessments of strength and endurance of trunk extensor muscles. Methods: Trunk extensor performances of ten healthy men, 48.2±5.6 years, and 10 healthy women, 49±5.7 years, were assessed by means of a maximum static strength test [consisting in maximal voluntary contractions [MVC] performed with a specific dynamometer], and two static endurance tests [the Sorensen test, and a 50 percent MVC test]. Heart rate [HR], auscultatory systolic [SBP], and diastolic blood pressure [DBP] were recorded throughout the tests. Results: The MVCs induced significant increases of HR and SBP [mean peak values averaging 90 [female] to 95 [male] beats per minute and 133 [female] to 141 [male] mmHg]. The HR, SBP, and DBP values increased significantly across time throughout both endurance static tests. At the end of these tests, mean HR, SBP, and DBP reached 114 to 122 beats per minute, 172 to 185 mmHg, and 112 to 120 mmHg. Genders differed significantly with regard to holding times [longer in females], but a gender effect was only found on SBP [higher in males]. Heart rate and SBP increases were significantly higher in males than in female subjects. Conclusions: The strength test seems less demanding than expected, though our results need to be confirmed. Standard static endurance tests yield sizeable functional stress on the cardiovascular system. Our study emphasizes the need to exclude subjects with cardiac trouble from such efforts and suggests the relevance of monitoring cardiovascular parameters if tests are performed until exhaustion. [less ▲]

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See detailPrise en charge du sportif lombalgique : analyse critique et perspectives
Vanderthommen, Marc ULg; Demoulin, Christophe ULg

in Abstract book du Congrès de l’Association Belge des Kinésithérapeutes du Sport « La Réathlétisation » (2008, May)

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See detailThe Ability of Isoinertial Assessment to Monitor Specific Training Effects
Jidovtseff, Boris ULg; Croisier, Jean-Louis ULg; Scimar, Nathalie ULg et al

in Journal of Sports Medicine & Physical Fitness (2008), 48(1), 55-64

AIM: The aim of this study was to investigate the ability of isoinertial assessment to monitor training effects. Both parametric and curve analysis of the results were used to underline the specificity of ... [more ▼]

AIM: The aim of this study was to investigate the ability of isoinertial assessment to monitor training effects. Both parametric and curve analysis of the results were used to underline the specificity of maximal strength and maximal velocity resistance training methods. METHODS: Twenty-four untrained subjects were randomly assigned into three groups: a maximal strength-training group (heavy loads: 80% to 98% of the one repetition maximum [1-RM]), a maximal velocity-training group (light loads: 25% to 50% of 1-RM) and a control group. All the subjects were tested in bench press exercises before and after the 6-week training period. An isoinertial dynamometer was used to assess velocity and power at four increasing loads: 35%, 50%, 70% and 95% of the 1-RM load. Post-test protocol also included a trial at 105% of the 1-RM load. RESULTS: Isoinertial assessment demonstrated for both training groups significant gains at each load. Some specific adaptations appeared: strength training presented a greater increase for average power (+49%, P<0.001) and average velocity (+48%, P<0.001) at 95% of 1-RM, while velocity training emerged as a more effective way to improve performance at 35% and 50% of 1-RM (+11 to 22%) in comparison with strength training (+7 to 12%). The analysis of power and velocity curves specified that strength training enhanced performance earlier in the movement, while velocity training extended the propulsive action at the end of movement. CONCLUSION: The original combination of parametric and curve isoinertial assessment appears to be a relevant method for monitoring specific training effects. The complementarity of both strength and velocity training programmes underlined in this study could lead to practical applications in profiling training programmes. [less ▲]

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See detailLa stabilisation fonctionnelle lombaire : Défintion du concept et arguments scientifiques
Demoulin, Christophe ULg; DISTREE, Vincent ULg; TOMASELLA, Marco ULg et al

in Abstract book des Mardis de la Kinésithérapie (2008)

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See detailReproducibility and Suitability of Clinical Assessments of Trunk Flexor and Extensor Muscles
Demoulin, Christophe ULg; Sac, Delphine; Serre, Laurent et al

in Journal of Musculoskeletal Pain (2008), 16

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See detailRelevance of inertial fatigue test in sport applications
Jidovtseff, Boris ULg; Cordonnier, Caroline ULg; Binard, Anne-Sophie et al

in Isokinetics & Exercise Science (2008), 16(3), 190

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See detailEvaluation inertielle : état de la question et perspectives
Jidovtseff, Boris ULg; Croisier, Jean-Louis ULg; Demoulin, Christophe ULg et al

in Science & Sports (2008), 20

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See detailIntérêts du réentraînement à l'effort dans la fibromyalgie et autres syndromes apparentés
Maquet, Didier ULg; Demoulin, Christophe ULg; Croisier, Jean-Louis ULg et al

in Annales de Réadaptation et de Médecine Physique (2007), 50(6), 356-362

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See detailBenefits of Physical Training in Fibromyalgia and Related Syndromes
Maquet, Didier ULg; Demoulin, Christophe ULg; Croisier, Jean-Louis ULg et al

in Annales de Réadaptation et de Médecine Physique (2007), 50(6), 363-368

OBJECTIVE: To review the published information on physical training for fibromyalgia (FM) and related syndromes. METHODS: A search of Medline literature (via Ovid and PubMed) with the following keywords ... [more ▼]

OBJECTIVE: To review the published information on physical training for fibromyalgia (FM) and related syndromes. METHODS: A search of Medline literature (via Ovid and PubMed) with the following keywords: FM, chronic fatigue syndrome, therapy, rehabilitation, aerobic, exercise, and cognitive behavioral therapy. The reference lists of articles were examined for additional related articles. RESULTS: Several studies investigated the benefits of graded exercise therapy for patients with FM or related syndromes. Although some systematic reviews have not established an unequivocal benefit of physical training, most authors report a benefit for patients with chronic pain or fatigue. Ideally, such a therapy should be a part of multidisciplinary program. Muscular rehabilitation is reserved for preventing the deconditioning syndrome often reported in patients and the vicious cycle of pain, avoidance and inactivity behaviors, or even kinesiophobia, deconditioning, incapacity and psychological distress. CONCLUSION: This review emphasizes the relevance of graded physical training for treating FM and related syndromes. The development of rehabilitation centers, with experts able to propose a relevant therapy to patients with chronic pain or fatigue, should help alleviate this public health problem. [less ▲]

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See detailExplorations algo-fonctionnelles comparatives entre populations fibromyalgique et lombalgique chronique
Demoulin, Christophe ULg; Maquet, Didier ULg; Delcourt, D. et al

in Revue du Rhumatisme (2007), 74(10-11), 982

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See detailBenefits of an out-patient multidisciplinary rehabilitation program in the treatment of chronic low back pain
Vanderthommen, Marc ULg; Demoulin, Christophe ULg; GROSDENT, Stéphanie ULg et al

in Abstract book of 6th Interdisciplinary World Congress on Low Back & Pelvic Pain (2007)

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