References of "Croisier, Jean-Louis"
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See detailRevue épidémiologique des blessures lors de la pratique du rugby à XV
Kaux, Jean-François ULg; Julia, Marc; Chupin, Marie et al

in Journal de Traumatologie du Sport (2014), 31(1), 49-53

Rugby is an increasingly popular sport. Full contact being a major characteristic of rugby, injuries are not uncommon. The incidence of injury in Rugby Union reaches 30–91 per 1,000 hours of game time ... [more ▼]

Rugby is an increasingly popular sport. Full contact being a major characteristic of rugby, injuries are not uncommon. The incidence of injury in Rugby Union reaches 30–91 per 1,000 hours of game time. This epidemiological review of injuries in rugby players reports their localization, nature, causes, moment of occurrence in matches and seasonal trends as well as the influence of the player’s position, field conditions, and duration of off time after injury. [less ▲]

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See detailLe traitement médical conservateur des tendinopathies du genou
Kaux, Jean-François ULg; BAUVIR, Philippe ULg; Croisier, Jean-Louis ULg et al

in Ortho-Rhumato (2014), 12(1), 31-34

Les traitements «passifs» des tendinopathies sont généralement utilisés de manière empirique pour combattre la douleur mais ne modifient pas la structure histologique du tendon. Par contre, le travail ... [more ▼]

Les traitements «passifs» des tendinopathies sont généralement utilisés de manière empirique pour combattre la douleur mais ne modifient pas la structure histologique du tendon. Par contre, le travail excentrique a pour but de contrecarrer une théorie étiopathogénique proposant une insuffisance de résistance du tendon exposé à des charges externes qui peuvent progressivement entrainer des lésions. Les résultats cliniques suite à cette prise en charge montrent souvent une évolution favorable des douleurs. Les ondes de choc extra-corporelles demeurent une option thérapeutique non-invasives et présentent peu de complications. De plus, elles sont employées avec succès pour traiter des tendinopathies chroniques rebelles aux traitements conservateurs classiques. Le plasma riche en plaquettes (PRP) est obtenu par centrifugation de sang autologue afin d’obtenir une grande concentration plaquettaire dépendant de la technique employée. Malgré la preuve de l’efficacité du PRP sur la régénération tissulaire en laboratoire, il existe actuellement peu de preuves cliniques tangibles concernant le traitement des tendinopathies chroniques. Enfin, d’autres nouvelles options thérapeutiques (patches de dérivés nitrés, infiltrations de polidocanol, d’acide hyaluronique et de cellules souches) sont également abordées. [less ▲]

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See detailDescription of a standardized rehabilitation program based on sub-maximal eccentric following a platelet-rich plasma infiltration for jumper’s knee.
Kaux, Jean-François ULg; Forthomme, Bénédicte ULg; NAMUROIS, Marie-Hélène ULg et al

in Muscles, Ligaments and Tendons Journal (2014), 4(1), 85-89

Introduction: Different series emphasized the necessity of rehabilitation program after infiltration of platelet-rich plasma (PRP) in case of tendinopathy. However, most of them describe only briefly the ... [more ▼]

Introduction: Different series emphasized the necessity of rehabilitation program after infiltration of platelet-rich plasma (PRP) in case of tendinopathy. However, most of them describe only briefly the reeducation protocol and these programs vary. Our aim was to extensively describe a specific standardized rehabilitation program. Methods: After a review of literature of post-PRP infiltration protocols, we had developed a standardized rehabilitation protocol. This protocol was evaluated by 30 subjects with chronic jumper’s knee who. A a standardised progressive sub-maximal eccentric program supervised by a physical therapist for 6 weeks was started 1 week post-infiltration. The patient benefited also from electromyostimulation, isometric strengthening and stretching of the quadriceps, cycloergometer and cryotherapy. After the supervised program, the patient had to make an auto-reeducation added to the reathletisation protocol for 6 more weeks which was followed by maintenance exercises up to 1 year. The assessments were made using a VAS, IKDC and VISA-P scores. Results: The VAS , IKDC and VISA-P scores decreased very significantly with time. The compliance to auto-reeducation was good. Conclusion: We proposed a simple and efficient protocol based on sub-maximal eccentric reeducation to add to PRP infiltrations in case of patellar tendinopathy. [less ▲]

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See detailIsocinétisme : aspects spécifiques chez le sportif
Croisier, Jean-Louis ULg; Kaux, Jean-François ULg; Crielaard, Jean-Michel ULg et al

in Kinésithérapie Scientifique (2014), 550

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See detailReturn-to-play critera after hamstring injury: actual medicine practice professional soccer teams
Delvaux, François ULg; Rochcongar, p; Bruyère, Olivier ULg et al

in Journal of Sports Science & Medicine (2014), 13

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See detailDental occlusion influences knee muscular performances in asymptomatic females.
GROSDENT, Stéphanie ULg; O'Thanh, Roseline; Domken, Olivier et al

in Journal of strength and conditioning research / National Strength & Conditioning Association (2014), 28(2), 492498

Some authors claim that occlusal appliances can enhance athletic performance. Therefore this study investigated the influence of dental occlusion on knee muscle strength performance. Twelve healthy female ... [more ▼]

Some authors claim that occlusal appliances can enhance athletic performance. Therefore this study investigated the influence of dental occlusion on knee muscle strength performance. Twelve healthy female subjects (mean age 24.1 +/- 3.1 years) without temporomandibular joint dysfunction participated in this study. Isokinetic quadriceps and hamstring strength were assessed in relation to three randomized jaw conditions: mouth closed in maximum intercuspidation without splint, mouth closed on a balanced splint which optimized contact over the dental arch, mouth closed on a piece of resin of 1 mm which created an imbalanced occlusion. Tests were performed at 60 degrees /s and 240 degrees /s in concentric and 30 degrees /s in eccentric exertions. Concentric performances did not show any significant difference between the 3 jaw conditions (p > 0.05). By contrast, in the eccentric trials related to quadriceps performance, significant differences (p < 0.05) were observed between the resin condition and the two other modalities (without splint or with a balanced splint). The imbalanced occlusion created by the resin component corresponded to an average decrease of 9% in eccentric peak torque. The eccentric hamstring peak torques also showed a significant difference (p < 0.05) between measurements with splint and with resin (7% decrease when occlusion was imbalanced). In conclusion, among asymptomatic females, artificial imbalanced occlusion induces immediate and significant alteration of knee eccentric muscle performances. Therefore, occlusion examination should be undertaken on a regular and frequent basis for high-level athletes. Moreover, for athletes using mouthguards, muscular performance assessments should be planned with and without the dental protection. [less ▲]

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See detailProtection against muscle damage induced by electrical stimulation: efficiency of a preconditioning programme
Vanderthommen, Marc ULg; Chamayou, Remy; Demoulin, Christophe ULg et al

in Clinical Physiology & Functional Imaging (2014)

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See detailExperimental Study of the Human Ability to Deliberately Excite a Flexible Floor
Schwartz, Cédric ULg; Berger, Alexis; Bruls, Olivier ULg et al

in Zingoni, Alphose (Ed.) Proceedings of the 5th International Conference on Structural Engineering, Mechanics and Computation (2014)

Human-structure interactions are not completely understood yet. This paper presents an experimental study focusing on the interaction between a human and a flexible support, with a major aim to better ... [more ▼]

Human-structure interactions are not completely understood yet. This paper presents an experimental study focusing on the interaction between a human and a flexible support, with a major aim to better understand how the behavior of a human subject, bouncing on a flexible structure, adapts to the support motion. Exploratory experiments are undertaken with a 7m-span timber footbridge tested in the Human Motion Analysis Laboratory of the University of Liege. The movements of the coupled system composed of the subject and the footbridge are recorded by Motion Capture technology; the subject\textquoteright{}s 3-D body motion is defined by three important angles: ankle, knee and hip. The interaction between the subject and the footbridge is also quantified by means of force platform measurements. The experiments indicate an influence of the support amplitude and natural frequency on the phase shift between the oscillatory floor motion and the three angles characterizing the motion. [less ▲]

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See detailIsocinétisme et douleurs musculaires d’apparition retardée
Hody, Stéphanie ULg; ROGISTER, Bernard ULg; Leprince, Pierre ULg et al

in Movement & Sport Sciences - Science & Motricité (2014)

The curative and preventive efficiency of the isokinetic exercise, especially of the eccentric contraction, has been well demonstrated. However, intense or unusual eccentric exercise is known to induce ... [more ▼]

The curative and preventive efficiency of the isokinetic exercise, especially of the eccentric contraction, has been well demonstrated. However, intense or unusual eccentric exercise is known to induce muscle damage associated with delayed-onset muscle soreness (DOMS) and prolonged functional deficits. These negative consequences can frequently disturb the progress of re-education or training programmes. Since they can affect athletic performance and increase the risk of musculo-skeletal injuries, the structuro-functional alterations associated with DOMS may also be problematic in athletes. Therefore, to optimize the benefits of the eccentric work while avoiding muscle damage and occurrence of DOMS should represent a major objective for the practitioners. To date, the only systematic intervention that brings muscle protection against DOMS consists of performing repeated eccentric sessions at submaximal intensity. Besides its clinical use, isokinetic constitutes an interesting model to generate and investigate the DOMS phenomenon. The original association of eccentric injuring protocols with new emerging techniques of molecular biology appears to be a promising strategy to better understand the cellular and molecular mechanisms underlying exercise-induced muscle damage. Such data would provide better guidelines for prevention or treatment practice. [less ▲]

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See detailLes Facteurs de risques de rupture du ligament croisé antérieur du genou : l’état neuro-musculaire
Kaux, Jean-François ULg; Delvaux, François ULg; Forthomme, Bénédicte ULg et al

in Journal de Traumatologie du Sport (2013), 30(4), 248-252

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See detail3D analysis of gait using accelerometer measurements
Boutaayamou, Mohamed ULg; Schwartz, Cédric ULg; Stamatakis, Julien et al

Scientific conference (2013, November 07)

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See detailLa qualité de force relative : paramètre sous-exploité ?
Croisier, Jean-Louis ULg; Delvaux, François ULg; Cordonnier, Caroline ULg et al

in Livret des interventions - XVèmes Rencontres Médimex - "Isocinétisme - Actualités et Controverses" (2013, November)

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See detailRééducation des plasties du LCA : quels pièges ?
Croisier, Jean-Louis ULg; BAUVIR, Philippe ULg; NAMUROIS, Marie-Hélène ULg et al

in Abstract Book du Symposium d'Axxon - Actualité en Kinésithérapie (2013, November)

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See detailLe mode excentrique appliqué aux rotateurs d'épaule
Forthomme, Bénédicte ULg; Kaux, Jean-François ULg; Crielaard, Jean-Michel ULg et al

in Livret des interventions - XVèmes Rencontres Médimex - "Isocinétisme - Actualités et Controverses" (2013, November)

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See detailStrength improvement after 3months of resistance training among Parkinson's disease patients
Demonceau, Marie ULg; rodriguez de la cruz, carlos; NAVEAU, Florence ULg et al

in Annals of Physical and Rehabilitation Medicine (2013, October), 56(s1), 196

Objectives.– To assess the feasibility and the effects of a strengthening program for people with Parkinson's disease (PD). Methods.– Fourteen patients with Hoehn and Yahr stage [1] < III of PD were ... [more ▼]

Objectives.– To assess the feasibility and the effects of a strengthening program for people with Parkinson's disease (PD). Methods.– Fourteen patients with Hoehn and Yahr stage [1] < III of PD were allocated to either 24 sessions of strength training (ST group; n = 8) or to a control group (C group; n = 6) for 3 months. Concentric knee muscle strength and a maximal cycling incremental test were performed at baseline and after training. Training consisted of progressive resistive exercises on leg press, leg extension, leg curl, between 50 and 80% of 1RM and was completed by non-instrumented exercises for trunk and upper limbs muscles. Anxiety, depression and quality of life were assessed using questionnaires. An Anova for repeated measures was used for statistical analysis. Results.– Six patients of the ST group (75%) fully completed the program. There were significant “group by time” effects for all knee muscles strength measures of less involved side (P < 0.05). A significant “group by time” effect was also found for knee flexors of the most involved side, but only at angular speed of 180°/s (P = 0.03). Patients of ST group also increased maximal aerobic power (+13%) whereas patients of C group decreased their performances (–9%; “group by time” effect, P = 0.04). No changes in anxiety, depression or quality of life could be highlighted. Conclusions.– The increase of some strength measures in ST group showed that progressive strength training counteracts strength decrease among people with Parkinson's disease. Strengthening also had a positive effect on maximal aerobic power. [less ▲]

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See detailActualités thérapeutiques dans la prise en charge des tendinopathies
Kaux, Jean-François ULg; Croisier, Jean-Louis ULg; Forthomme, Bénédicte ULg et al

in Annals of Physical and Rehabilitation Medicine (2013, October), 56(Sup 1), 050-003

“Conventional” treatments of tendinopathies are generally employed empirically to fight pain and inflammation but they do not modify the histological structure of the tendon. However, these treatments are ... [more ▼]

“Conventional” treatments of tendinopathies are generally employed empirically to fight pain and inflammation but they do not modify the histological structure of the tendon. However, these treatments are not completely satisfactory and the recurrence of symptoms is common. In contrast to the passive pattern of many therapies dedicated to tendon disorders, some authors have promoted an eccentric training mode. Such active eccentric training programs are aimed at thwarting an aetiopathogenic theory proposing insufficient tensile strength of the tendon exposed to external loads which could progressively damage it. Though the literature remains incomplete on tendon architecture remodelling and real histological adaptations following an adapted eccentric training, clinical results following such therapy appear promising. Due to its noninvasiveness, low complication rate and high applicability combined with good results, extracorporeal shock wave therapy has become a well known option within the therapeutic spectrum for many tendinopathies. More specifically, it has been successfully applied in chronic tendinopathy resistant to a conservative training program including eccentric exercises. Platelets release different cytokines and growth factors that could promote angiogenesis, tissue remodelling (bone, skin etc.), and wound healing. Platelet-rich plasma (PRP) is obtained by centrifuging autologous blood to have a high concentration of platelets depending on the isolation method. For this reason, different PRP preparation techniques cannot provide a consistently identical final product, but there is currently no international consensus on this issue. Despite the proven efficacy of PRP tissue regeneration in labs, there is currently little tangible clinical evidence for chronic tendon disorders. The few studies that have been performed appear unlikely to be comparable. Up to now, randomised controlled studies with appropriate placebo groups are needed to determine the real effectiveness of PRP for treating chronic tendon conditions. However, this therapeutic option remains very popular in sports, and many top athletes are using it in case of musculoskeletal conditions. What is more, it has been removed from the doping lost of the World AntiDoping Agency. Other new therapeutic options (infiltrations of polidocanol, hyaluronic acid, botulinum toxin, patches of derivatives Nitro...) for treating tendinopathies are also discussed in this review. [less ▲]

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See detailRéaction inflammatoire exubérante comme effet secondaire d’une infiltration de PRP
Kaux, Jean-François ULg; Croisier, Jean-Louis ULg; LEONARD, Philippe ULg et al

in Annals of Physical and Rehabilitation Medicine (2013, October), 56(Sup 1), 068

Introduction : Infiltrations of plasma rich platelets (PRP) represent a new treatment of tendinopathies. Currently, no side effects were reported in this indication. Case report: We report the case of a ... [more ▼]

Introduction : Infiltrations of plasma rich platelets (PRP) represent a new treatment of tendinopathies. Currently, no side effects were reported in this indication. Case report: We report the case of a 35-year-old type 1 diabetic patient with right upper patellar tendinopathy that had persisted for more than 6 months. The patient benefited from an intratendinous infiltration of 6 mL of PRP (8.105 platelets/mm3, almost no red or white blood cells) after a carefully disinfection but without local anesthesia. Typically, a standardized program of sub-maximal eccentric rehabilitation should be started 1 week after infiltration. However, the patient experienced local swelling with erythema, increased heating and pain, which appeared just underneath the patella, without biological inflammatory syndrome. In absence of septic general symptoms, no blood or wound culture were made. At 2 weeks post-infiltration, a greatly increased Doppler signal in a thicker tendon was observed by ultrasounds compared to that before infiltration, but there was no sign of infection demonstrated by either MRI or CT. However, the local inflammation did not decrease after a 3-week treatment of local cryotherapy, local and oral NSAID, and adjunct use of colchicine 1 mg. Thus, an insidious infection was suspected, even though there was no evidence of biological inflammatory syndrome or sign of infectious lesion on imagery examination. Antibiotic therapy (rifampicine 600 mg + minocycline 100 mg), was initiated for three months. Due to a lack of improvement via imaging and clinical examination, a 3-phase bone scintigraphy was performed. The results suggested the presence of a complex regional pain syndrome type 1. The patient benefited from classical physical therapy and concomitant pain killers. The evolution was favorable after 6 months of treatment. Discussion : Even though PRP infiltration represents a new and promising treatment for tendinopathy, more studies are needed both to verify its clinical efficacy. Moreover, implementing this innovative treatment requires caution because of potential adverse events. Thus, the balance between benefits and risks must be carefully evaluated before using this treatment, especially in patients with type 1 diabetes. [less ▲]

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See detailUne infiltration de plasma riche en plaquettes (PRP) pour traiter les tendinopathies rotuliennes supérieures chroniques
Kaux, Jean-François ULg; Croisier, Jean-Louis ULg; Bruyère, Olivier ULg et al

in Annals of Physical and Rehabilitation Medicine (2013, October), 56(Sup 1),

Objective: Jumper’s knee is a frequent chronic overuse syndrome of the upper part of the patellar tendon. Platelets contain lots of growth factors which could enhance the healing process of tendons ... [more ▼]

Objective: Jumper’s knee is a frequent chronic overuse syndrome of the upper part of the patellar tendon. Platelets contain lots of growth factors which could enhance the healing process of tendons. Infiltration of platelet-rich plasma (PRP) could be a new therapy for such chronic tendinopathies. Materiel and methods: Twenty patients with chronic upper patellar tendinopathy were enrolled. Assessments were made before infiltration of PRP, and 6 weeks and 3 months after the infiltration, using a 10-point Visual Analogic Scale, clinical examinations with a pressure algometer, algofunctional scores (IKDC and VISA-P), functional assessments (isokinetic and optojump evaluations) and imagery (ultrasounds and MRI). The PRP was obtained with an apheresis system (COM.TEC, Fresenius). Six millilitres of PRP were injected without local anaesthetic. One week after infiltration, patients started a standardised sub-maximal eccentric reeducation. Results: Pain during daily activities significantly decreased with time (especially after 6 weeks and continued to a lesser extend up to 3 months). During functional evaluation, it decreased as well, but without significant functional improvement. No improvements in the imagery measurements were observed. Younger patients seemed to be more susceptible to have an improvement of pain by the PRP infiltration. Discussion: This study demonstrates that a local infiltration of PRP associated with a submaximal eccentric protocol is efficient to improve symptoms of chronic jumper’s knee in patients non-responsive to classical conservative treatments. [less ▲]

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