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See detailIsokinetic assessment of the scapular muscles in serratus anterior dysfunction
Forthomme, Bénédicte ULg; Wang, François-Charles ULg; Crielaard, Jean-Michel ULg et al

in Journal of Rehabilitation Medicine Supplement (2008, June), 47

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See detailIsokinetic assessment of the shoulder rotators: A study of optimal test position
Forthomme, Bénédicte ULg; Dvir, Zeevi; Crielaard, Jean-Michel ULg et al

in Clinical Physiology & Functional Imaging (2011), 31(3), 227-232

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See detailIsokinetic eccentric exercises in treating chronic tendinitis
Croisier, Jean-Louis ULg; Forthomme, Bénédicte ULg; Foidart-Dessalle, Marguerite ULg et al

in Isokinetics & Exercise Science (2002, March), 10

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See detailAn isokinetic eccentric programme for the management of chronic lateral epicondylar tendinopathy
Croisier, Jean-Louis ULg; Foidart-Dessalle, Marguerite ULg; Tinant, France ULg et al

in British Journal of Sports Medicine (2007), 41(4), 269-275

Background: Lateral epicondylitis represents a frequent overuse injury. In spite of many conservative treatment procedures, prolonged symptoms and relapse are frequently observed. Objective: To compare ... [more ▼]

Background: Lateral epicondylitis represents a frequent overuse injury. In spite of many conservative treatment procedures, prolonged symptoms and relapse are frequently observed. Objective: To compare the outcome of patients performing an isokinetic eccentric training with that of age-, gender-, activity-matched patients receiving a non-strengthening classical rehabilitation. Methods: Ninety-two patients with unilateral chronic lateral epicondylar tendinopathy (mean duration of symptoms 8 +/- 3 months) were assigned either to a control group (n = 46) or to an eccentrically trained group (n = 46). The control group underwent a passive standardised rehabilitation programme that excluded strengthening exercises. In addition to this programme, the trained group also performed eccentric exercises based on the repetitive lengthening of the active musculo-tendinous unit. The latter exercises started with submaximal contraction intensity and slow speed movement. Modalities were progressively intensified (increase in intensity contraction and speed movement) over a long priod of treatment. Programme effectiveness was assessed through pain score evaluation, a disability questionnaire, muscle strength measurement and ultrasonographic examination. Results: Compared to the non-strengthening control group, the following observations were made in the eccentrically trained group: (1) a significantly more marked reduction of pain intensity, mainly after one month of treatment; (2) an absence of strength deficit on the involved side through bilateral comparison for the forearm supinator and wrist extensor muscles; (3) an improvement of the tendon image as demonstrated by decreasing thickness and a recovered homogenous tendon structure; and (4) a more marked improvement in disability status during occupational, spare time and sports activities. Conclusion: These results highlight the relevance of implementing isokinetic adapted eccentric training in the management of chronic lateral epicondylar tendinopathy. [less ▲]

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See detailIsokinetic evaluation of ACL reconstruction. Surgical procedure influence and rehabilitation implications
Croisier, Jean-Louis ULg; Huskin, Jean-Pierre ULg; Crielaard, Jean-Michel ULg

in Abstract book of the 9th Transactions of the European Orthopaedic Research Society (1999, June)

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See detailIsokinetic evaluation of hamstring muscle strain: interest of the eccentric mode
Croisier, Jean-Louis ULg; Crielaard, Jean-Michel ULg

in Proceedings of the Third Annual Congress of the European College of Sport Science (1998, July)

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See detailIsokinetic evaluation of hip muscles in patients with coxarthrosis
Henrotin, Yves ULg; Rale, B.; Dubuc, J. E. et al

in Isokinetics & Exercise Science (2002, March), 10

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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 ULg; Maquet, Didier ULg et al

in Isokinetics & Exercise Science (2001), 9(4), 163-169

The objectives of the study were to measure the isokinetic strength of the hip flexor-extensor and adductor-abductor muscle groups in unilateral lower limb amputees and to evaluate abnormalities in order ... [more ▼]

The objectives of the study were to measure the isokinetic strength of the hip flexor-extensor and adductor-abductor muscle groups in unilateral lower limb amputees and to evaluate abnormalities in order to improve the usual rehabilitation programs. Thirty-three patients with unilateral lower limb amputation were included in this study; they served as their own controls, the amputated side being compared to the intact side. Using an isokinetic device, the relative peak torques (N.m by body weight), bilateral asymmetries and agonist/antagonist torque ratios were calculated for the hip flexor, extensor, adductor and abductor muscle groups. A significant reduction of mean concentric relative peak torque measured on the amputated limbs was generally observed when compared to the intact contralateral limb (p < 0.05). The mean percentage of relative peak torque decrease was greater for the extensors than for the flexors (33 +/- 20% and 22 +/- 23%, respectively, at 30degrees/s angular velocity), and for the abductors than for the adductors (23 +/- 22% and 11 +/- 19%, respectively, at 30degrees/s angular velocity). Furthermore, the flexor/extensor torque ratio was significantly increased for the amputated limb (for instance, 1.25 +/- 0.33 versus 1.09 +/- 0.25 for the intact limb at 30degrees/s). The reduction of the abductor/adductor ratio of the operated limb reached the level of statistical significance at 60degrees/s only (1.25 +/- 0.46 versus 1.07 +/- 0.36 for the intact limb). In conclusion, isokinetic testing revealed a significant reduction of the hip stabilizing muscle strength as a consequence of lower limb amputation. The more marked decrease of the strength of the abductor and extensor muscle groups, resulting in imbalances of the agonist/antagonist strength ratios should be taken into account to adapt the conventional rehabilitation programs. [less ▲]

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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 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 Osteoarthritis and Cartilage (1999), 7(SA), 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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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 knee extensors and flexors in patients with unilateral symptomatic gonarthrotis
Henrotin, Yves ULg; Croisier, Jean-Louis ULg; Dubuc, JE et al

in Clinical Rheumatology (2001), 20

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See detailIsokinetic evaluation of muscular function in patients with chronic pain and fatigability
Maquet, Didier ULg; Croisier, Jean-Louis ULg; Moutschen, Michel ULg et al

in Isokinetics & Exercise Science (2003, March), 11(1), 73-74

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See detailIsokinetic fatigue protocol: Assessment of shoulder rotator muscles
Forthomme; Maquet, Didier ULg; Lehance, Cédric ULg et al

in Abstract book of 13th Annual Congress of the European College of Sport Science (2008)

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See detailIsokinetic intervention in microtraumatic shoulder instability: an update
Gremeaux, V.; Croisier, Jean-Louis ULg; Forthomme, Bénédicte ULg

in Journal of Sports Medicine & Physical Fitness (2012), 52

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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 detailIsokinetic profile of javelin throwers and relationship to field tests
Forthomme, Bénédicte ULg; Croisier, Jean-Louis ULg; Forthomme, L. et al

in Vlaams Tijdschrift voor Sport Geneeskunde & Sport Wetenschappen (2003), 95

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See detailIsokinetic strength and fatigability in patients with multiple sclerosis. The relationship between gait speed and isokinetic parameters
Maquet, Didier ULg; Dive, Dominique ULg; Entem, Arnaud et al

in Isokinetics & Exercise Science (2007), 15

Introduction Multiple sclerosis (MS) is a chronic disease characterized by inflammation and demyelisation of the central nervous system. Decline of muscular performances, fatigue, weakness and spasticity ... [more ▼]

Introduction Multiple sclerosis (MS) is a chronic disease characterized by inflammation and demyelisation of the central nervous system. Decline of muscular performances, fatigue, weakness and spasticity are the most common and disabling symptoms characterizing this neurological disease. Undoubtedly, objective assessments of muscle function would be relevant to deliver the most appropriate treatment and to appraise possible training effects resulting from rehabilitation. The purposes of this study were to assess muscle strength and fatigue of knee flexors and extensors in patients with multiple sclerosis by means of an isokinetic dynamometer. Relations between isokinetic results and gait speed were also investigated. Methods Eight patients (49 +/- 7 years old) suffering from multiple sclerosis (with unaided gait) were included in this study. Bilateral knee flexor and extensor performances were assessed using a Cybex Norm dynamometer. Maximal isokinetic strength was measured at 60°/s (3 repetitions) and 180°/s (5 repetitions). Thereafter, patients performed a fatigue protocol consisting in 30 successive maximal-intensity knee flexions and extensions at 180°/s angular velocity. Fatigue was analysed using the cumulative work parameter (corresponding to the sum of work developed through the 30 movements) and a fatigue index (ratio between work developed during 3 last contractions and 3 first contractions). Gait speeds corresponded to the time necessary to subject for walking at maximal speed on a 7.62 m and 100 m long walkway. Results Isokinetic parameters (strength and fatigue) appeared to be decreased in MS patients comparatively to normative data [1]. Knee flexors/extensors ratio was reduced for some patients, yet MS subjects displayed no significant bilateral asymmetry, suggesting a bilateral weakness process. Significant negative correlations (- 0.76 < r < - 0.95, p < 0.05) between gait speeds (measured through a 7.62 m and 100 m long walkway) and hamstring isokinetic parameters (peak torque and cumulative work) were observed. In contrast, we did not find any correlation between gait speed and quadriceps isokinetic performances, except for the correlation between gait speed on 100 m long walkway and fatigue index (0.78 < r < 0.89, p < 0.05). Discussion and conclusion Objective evaluation of muscle performance deficiencies in patients with MS appears essential for designing a successful rehabilitation program. However, no consensus has been established with regard to the most relevant isokinetic protocol modalities for assessing patients suffering form central nervous system lesions. Our preliminary results underlined that gait speed was negatively correlated to hamstring isokinetic parameters (strength and cumulative work). Interestingly, no patient included in our study reported increased symptoms such as spasticity during or after the test, indicating that MS patients are able to perform strength and fatigue isokinetic assessments. References [1] Maquet D, Croisier JL, Renard C, Crielaard JM. Muscle performance in patients with fibromyalgia, Joint Bone Spine 69 :293-9, 2002. [less ▲]

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See detailIsokinetic strength and fatigue of the elbow flexors and extensors in sedentary women
Maquet, Didier ULg; Forthomme, Bénédicte ULg; Demoulin, Christophe ULg et al

in Isokinetics & Exercise Science (2004), 12(3), 203-208

Objective. To establish the inter-session reproducibility of isokinetic concentric strength and fatigue profile of the elbow flexors and extensors in sedentary women. Methods. Forty healthy women who were ... [more ▼]

Objective. To establish the inter-session reproducibility of isokinetic concentric strength and fatigue profile of the elbow flexors and extensors in sedentary women. Methods. Forty healthy women who were physically inactive or engaged in recreational sports were included in the study. Strength was evaluated at 60 and 180 degrees/s. The fatigue protocol consisted of 30 maximal-intensity elbow flexion and extension at 180 degrees/s. Results. The extensors were stronger than flexors while no dominance effect was apparent. In addition the work output of the extensors during the fatigue protocol was larger than the flexors', the previous being more fatigue resistant. A dominance effect was observed for the extensors in the fatiguing protocol. Reproducibility expressed by the coefficient of variation was less or equal to 11%. Conclusions. This study highlights satisfactory reproducibility of isokinetic strength and fatigue parameters. The values derived may be useful for interpretation of clinical tests or characterization of pathological states in women with similar characteristics. [less ▲]

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