References of "Kaux, Jean-François"
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See detailFrench translation and validation of the Cumberland Ankle Instability Tool, an instrument for measuring functional ankle instability
Geerinck, Anton ULiege; Beaudart, Charlotte ULiege; Salvan, Quentin et al

in Foot and Ankle Surgery (in press)

Background: Ankle sprains are one of the most common musculoskeletal injuries, and can lead to chronic ankle instability (CAI). The Cumberland Ankle Instability Tool (CAIT) measures a subset of CAI ... [more ▼]

Background: Ankle sprains are one of the most common musculoskeletal injuries, and can lead to chronic ankle instability (CAI). The Cumberland Ankle Instability Tool (CAIT) measures a subset of CAI, functional ankle instability (FAI).Because no French version existed, we set out to translate and validate the CAIT in French. Methods: The CAIT was translated using a forward-backward methodology. We examined its psychometric properties and calculated a cut-off score for FAI in a sample of 102 subjects (median age 22 years). Results: The CAIT was translated without significant problems. The CAIT-F can discriminate between those with and without FAI (p<0.001), with a cut-off score of ≤23 points. The test-retest reliability is excellent (ICC=0.960), as is the internal consistency (α=0.885). Construct validity was confirmed. No floor or ceiling effects were detected among subjects with FAI. Conclusions: The CAIT is now available in French, and is a valid and reliable instrument. [less ▲]

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See detailPlatelet-rich plasma (PRP) and tendon healing: comparison between fresh and frozen-thawed PRP
KAUX, Jean-François ULiege; Libertiaux, Vincent; Dupont, Laura ULiege et al

in Platelets (in press)

Platelet-rich plasma (PRP) is increasingly used in the treatment of musculoskeletal diseases. Its preservation by freezing it for the realization of multiple injections in clinical use has never been ... [more ▼]

Platelet-rich plasma (PRP) is increasingly used in the treatment of musculoskeletal diseases. Its preservation by freezing it for the realization of multiple injections in clinical use has never been discussed. Calcaneal tendons of rats were surgically sectioned. Platelet concentration of the PRP was 2.5 x 106/μl with autologous plasma of rats. Frozen-thawed PRP was prepared by performing two cycles of freezing and thawing on PRP aliquots. Both platelet preparations were injected in the lesion. Biomechanical and histological evaluations were carried out after 7, 20 or 40 days post surgery. After 7 and 40 days, no significant difference was observed between the PRP and the frozen-thawed PRP group. There is however a difference 20 days after surgery: the ultimate tensile strength (UTS) was greater in the fresh PRP group. No obvious difference with histological aspect was observed between the two groups. In conclusion, fresh PRP and frozen-thawed PRP injections can lead to similar results in the healing process of section calcaneal tendons of rats. Improvements with fresh PRP are slight. PRP could thus be frozen to be preserved if multiple injections are needed (e.g. osteoarthritis). [less ▲]

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See detailCross-cultural adaptation, translation, and validation of the functional assessment scale for acute hamstring injuries (FASH) questionnaire for French-speaking patients
Locquet, Médéa ULiege; Willems, Tom; Specque, Clément et al

in Disability and Rehabilitation (in press)

Study design: This consisted of a translation and validation study. Background: Acute hamstring injury is a frequent muscle strain in sports that require high explosive strength, impulsion or running ... [more ▼]

Study design: This consisted of a translation and validation study. Background: Acute hamstring injury is a frequent muscle strain in sports that require high explosive strength, impulsion or running phases. Therefore, the Functional Assessment Scale for Hamstring Injury questionnaire was developed to assess pain, physical activity level and ability to perform various exercises in patients with hamstring injuries. The Functional Assessment Scale for Hamstring Injury questionnaire is currently available in English, German, and Greek. Objectives: The goal of this study was to provide a cross-culturally adapted French-translation of the FASH questionnaire and to assess its psychometric performance. Methods: The French-translation and cross-cultural adaptation process were based on international recommendations, following six rigorous steps: (a) two initial translations from English to French; (b) synthesis of the two translations; (c) back-translations; (d) comparisons between the back-translations and the original questionnaire by an expert committee; (e) pretest; and (f) approval of the final French version of the Functional Assessment Scale for Hamstring Injury questionnaire. To validate this French version, 116 subjects (17 pathological patients, 19 patients with other muscle injury, 40 athletes at risk, and 40 healthy control athletes) were recruited to complete the Functional Assessment Scale for Hamstring Injury questionnaire. The Short Form Health Survey (SF-36) was used as a comparative questionnaire. The psychometric properties of the questionnaire were evaluated by determining the test-retest reliability after a 48–60-h interval, internal consistency, construct validity, and floor/ceiling effects. Results: All of the items of the Functional Assessment Scale for Hamstring Injury questionnaire were translated without any major difficulties. The questionnaire showed excellent discriminative power by obtaining significantly different scores from the four groups (p¼0.01). Regarding psychometric performances, the test–retest reliability was excellent (IntraClass Coefficient Correlation of 0.997). Very high internal consistency was also observed (Cronbach’s alpha of 0.969). Correlations with the physical health subscales of the SF-36 were significant and considered to be strong, indicating an excellent convergent validity. The other subscales of the SF-36 (mental health) were weakly correlated with the FASH, reflecting good divergent validity. No floor or ceiling effects were observed. Conclusion: The French-translation of the Functional Assessment Scale for Hamstring Injury questionnaire and its cross-cultural adaptation can be considered to be successful. Functional Assessment Scale for Hamstring Injury-French questionnaire is now a reliable and valid tool for patients suffering from acute hamstring injury, and its application in clinical practice is particularly relevant. IMPLICATIONS FOR REHABILITATION The FASH-F can be considered to be discriminant, reliable and valid for the evaluation of the severity of symptoms and sports ability in individuals with hamstring injuries. FASH-F is now a reliable and valid tool for French-speaking patients suffering from acute hamstring injury, and its application in clinical practice is particularly relevant. A limitation of our study could be that the distribution between the different study groups was not homogeneous implying that our findings may not be fully representative of the general population. [less ▲]

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See detailType 2 diabetes mellitus and osteoarthritis
Veronese, Nicola; Cooper, Cyrus; Reginster, Jean-Yves ULiege et al

in Seminars in Arthritis and Rheumatism (in press)

OBJECTIVES: Type 2 diabetes mellitus (T2DM) and osteoarthritis (OA) are common diseases that frequently co-exist, along with overweight/obesity. While the mechanical impact of excess body weight on joints ... [more ▼]

OBJECTIVES: Type 2 diabetes mellitus (T2DM) and osteoarthritis (OA) are common diseases that frequently co-exist, along with overweight/obesity. While the mechanical impact of excess body weight on joints may explain lower limb OA, we sought to explore whether T2DM is linked to OA outside of excess weight and whether T2DM may play a role in OA pathophysiology. The consequence of T2DM on OA outcomes is a question of research interest. METHODS: We conducted a critical review of the literature to explore the association between T2DM and OA, whether any association is site-specific for OA, and whether the presence of T2DM impacts on OA outcomes. We also reviewed the literature to assess the safety of anti-OA treatments in patients with T2DM. RESULTS: T2DM has a pathogenic effect on OA through 2 major pathways involving oxidative stress and low-grade chronic inflammation resulting from chronic hyperglycemia and insulin resistance. T2DM is a risk factor for OA progression and has a negative impact on arthroplasty outcomes. Evidence is mounting for safety concerns with some of the most frequently prescribed anti-OA medications, including paracetamol, non-steroidal anti-inflammatory drugs, and corticosteroid injections, while other anti-OA medications may be safely prescribed in OA patients with T2DM, such as glucosamine and intra-articular hyaluronic acid. CONCLUSIONS: Future research is needed to better understand whether diabetes control and prevention can modulate OA occurrence and progression. The selection of therapy to treat OA symptoms in patients with T2DM may require careful consideration of the evidence based to avoid untoward safety issues. [less ▲]

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See detailFrench translation and validation of the exercise-induced leg pain Questionnaire
Beaudart, Charlotte ULiege; Hagelstein, Thibaut; Van Beveren, Julien et al

in Disability and Rehabilitation (in press)

Objective: The “Exercise-Induced Leg Pain” questionnaire was developed (in German) for the evaluation of the severity of symptoms and sports ability in individuals with exercise-induced leg pain. The ... [more ▼]

Objective: The “Exercise-Induced Leg Pain” questionnaire was developed (in German) for the evaluation of the severity of symptoms and sports ability in individuals with exercise-induced leg pain. The purpose of the present study was to translate and cross-culturally adapt this questionnaire into French and to study the reliability and validity of this French-language version. Methods: The translation and cross-cultural adaptation of the original “Exercise-Induced Leg Pain” was performed according to established guidelines. The translation part was carried out in six stages: (i) two initial translations from German to French; (ii) synthesis of the two translations; (iii) backward translations; (iv) comparison between the backward translations and the original questionnaire by an expert committee; (v) pretest; and (vi) approval of the final version of the French-language “Exercise-Induced Leg Pain” questionnaire. To validate this questionnaire, 84 subjects were recruited (28 pathological patients with a confirmed diagnosis of chronic leg pain, 28 asymptomatic sport students, and 28 healthy control athletes). The discriminative power of the questionnaire was tested, as well as its reliability (internal consistency and test–retest reliability after a 7–10-day interval), construct validity and floor/ceiling effects. Results: The French version of the “Exercise-Induced Leg Pain” questionnaire was generated without any major difficulties. The ability of the questionnaire to discriminate between the three groups of subjects was demonstrated with a total score of 61.0 ± 18.5 for the pathologic group; 93.9 ± 7.57 for the asymptomatic group and 94.1 ± 9.79 for the control group. A high internal consistency (Cronbach's alpha of 0.93) and an excellent test–retest reliability [intraclass coefficient correlation: 0.98 (95% confidence interval: 0.97–0.99, p < 0.001)] indicated that the “Exercise-Induced Leg Pain” is reliable. The questionnaire also demonstrated good construct validity against different subscales of the Short Form-36 questionnaire, a generic quality of life questionnaire, with more than 87% of the prespecified hypotheses confirmed. Finally, no floor effects or ceiling effects were observed. Conclusion: The French version of the « Exercise-Induced Leg Pain » was successfully translated and cross-culturally adapted. The questionnaire is consistent, valid and reliable for evaluating French-speaking patients with chronic exercise-induced leg pain. Implications for rehabilitation The “Exercise-Induced Leg Pain” questionnaire aims to assess the severity of symptoms that impact the function and sports ability of patients with exercise-induced leg pain; The French version of the « Exercise-Induced Leg Pain » was successfully translated and cross-culturally adapted. The questionnaire is consistent, valid and reliable for evaluating French-speaking patients with chronic exercise-induced leg pain. [less ▲]

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See detailChronic lateral ankle instability increases the likelihood for surgery in athletes with os trigonum syndrome
D'Hooghe, Pieter ULiege; Alkhelafi, Khalid; Almusa, E et al

in Knee Surgery, Sports Traumatology, Arthroscopy (in press)

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See detailProposal of a new tDCS safety screening tool TSST (Transcranial direct current stimulation Safety Screening Tool)
Bornheim, Stephen ULiege; Croisier, Jean-Louis ULiege; Maquet, Pierre ULiege et al

in American Journal of Physical Medicine and Rehabilitation (2019), 98(7), 77-78

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See detailImpact of participating to a 330 km long ultra-trail versus a 67 km short ultra-trail on muscular and cardiac genetic regulation by microRNAs
Le Goff, Caroline ULiege; Marguerit, K; Kaux, Jean-François ULiege et al

in Bunc, V; Tsolakidis, E (Eds.) Book of abstracts - 24th Annual Congress of the European College of Sport Science (2019, July)

INTRODUCTION: Even though endurance exercise has always shown beneficial action on cardiovascular diseases, the impact of an ultra-endurance experience on the human body has not been studied enough yet ... [more ▼]

INTRODUCTION: Even though endurance exercise has always shown beneficial action on cardiovascular diseases, the impact of an ultra-endurance experience on the human body has not been studied enough yet. Indeed, the consequences of such effort could represent a major issue to the organism and particularly to the myocardial muscle, could lead to sudden cardiac death when experienced too many times - a phenomenon which is more and more linked to the athletic world. The main objective of this study was to measure the impact of high level physical activity on the expression of different microRNAs such as specific to muscular and cardiac suffering (miR-1, miR 133a and miR 208b), specific to muscular suffering (miR 133b, miR 206, miR 499a and miR 499b) specific to cardiac suffering (miR 208a) and specific to fibrosis (miR 21 and miR 29b). METHODS: The study was conducted on two different trails participants: the “Tor des Géants” (TDG), 330 km long and the “Ultra Tour de Liège” (UTL), 67km long. Blood samples were collected at different timings. Timing of sampling were respectively: 4 days before starting (t0), after completing 148 km (t2), finish line (t3) and 3 days after the end of the race for the TDG (t4) , and for the UTL : just before the starting (t0), at the finish line( t2) : and 3 hours after finishing (t3). There was a number of 12 TDG studied volunteers and 10 from the UTL. MicroRNAs were extracted by using miRneasy® Serum/Plasma kit and qRT-PCR has been employed to measure their expression. RESULTS: Only miR-1, miR-133a, miR-133b, miR-206 and miR-499a showed significant variation in their expression during both races. The variation was found to be linked to the exhaustion during the race. From these data, four out of the five miRNAs showed a higher expression level during the shorter trail (UTL). No correlation was found between miR-208a and frequently used cardiac biomarkers (hs-TnT, sST2 and NT-proBNP). No significant variation was found in fibrosis specific microRNAs (miR-21 and miR-29b). CONCLUSION: From the amount of microRNAs tested, the expression of five of them increased significantly during both the races, which showed myocardial and muscular cellular suffering. Moreover, the levels of miRNA never came back to the baseline during recovery times. However, the fibrotic miRNA did not show any significant increase during in any race, suggesting there was no permanent damage of the heart, but this point needs further investigations. [less ▲]

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See detailCross-cultural adaptation, translation in French and validation of the Anterior Knee Pain Scale (AKPS)
Kaux, Jean-François ULiege; Bornheim, Stephen ULiege; Remy, Gaël et al

in Bunc, V; Tsolakidis, E (Eds.) Book of abstracts - 24th Annual Congress of the European College of Sport Science (2019, July)

INTRODUCTION: Anterior knee pain is common in sports and especially among sportswomen. Moreover, early sport specialization in female adolescents is associated with increased risk of anterior knee-pain ... [more ▼]

INTRODUCTION: Anterior knee pain is common in sports and especially among sportswomen. Moreover, early sport specialization in female adolescents is associated with increased risk of anterior knee-pain disorders. The "Anterior Knee Pain Scale" was developed (in English) for the evaluation of the severity of symptoms and sports ability in individuals with anterior knee pain. Our purpose was to linguistically and cross-culturally translate the Anterior Knee Pain Scale into French and to evaluate the reliability and validity of this translated version of the questionnaire. METHODS: The translation part was performed in six stages, according to international guidelines: (i) two initial translations from English to French; (ii) synthesis of the two translations; (iii) backward translations into the original language; (iv) expert committee to compare the backward translations with the original questionnaire; (v) pre-final version testing and (VI) expert committee appraisal. To validate the French version of the Anterior Knee Pain Scale, we assessed its validity, reliability and floor/ceiling effects. To do this, volunteer patients from the French part of Belgium and from France, with patellofemoral pain were asked to answer the French version of the Anterior Knee Pain Scale at baseline and after 7?days, as well as the generic SF-36 questionnaire. RESULTS: The Anterior Knee Pain Scale was translated without any major difficulties. A total of 101 subjects aged 34.5?±?11.4?years (58.4% of women) were included in this study. Results indicated an excellent test-retest reliability (Intra-class correlation coefficient (ICC)?=?0.97, 95%CI: 0.96-0.98), a high internal consistency (Cronbachs alpha = 0.87), a consistent construct validity (high correlations with the SF-36 questionnaire were found with domains related to physical function (r?=?0.80), physical role (r?=?0.70) and pain (r?=?0.64)) and low or moderate correlations with domains related to mental health (r?=?0.26), vitality (r?=?0.32) and social function (r?=?0.41). Moreover, no floor/ceiling effects have been found. CONCLUSION: A valid French version of the Anterior Knee Pain Scale is now available and can be used with confidence to better assess the disease burden associated with patellofemoral pain. It was successfully cross-culturally adapted into French. Implications for rehabilitation The results on psychometric properties of the French Anterior Knee Pain Scale are comparable with six validated versions obtained for the Finnish, the Turkish, the Chinese, the Dutch, the Thai and the Persian populations. The French translated version of the Anterior Knee Pain Scale is a reliable and valid instrument for assessing the functional limitations associated with patellofemoral pain. The test-retest reliability of the French Anterior Knee Pain Scale was excellent, the internal consistency was high and the construct validity was consistent. There were no floor/ceiling effects. [less ▲]

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See detailStratégies préventives et blessures sportives
Delvaux, François ULiege; Kaux, Jean-François ULiege; Forthomme, Bénédicte ULiege et al

in AXXON Exclusif (2019)

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See detailLa dyskinésie scapulaire chez le sportif
Forthomme, Bénédicte ULiege; Tooth, Camille ULiege; Croisier, Jean-Louis ULiege et al

in Axxon Exclusif (2019)

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See detailGardien de but au football
Kaux, Jean-François ULiege

Conference (2019, May 31)

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See detailPlace du PRP dans le traitement des tendinopathies patellaires
Kaux, Jean-François ULiege

Conference (2019, May 28)

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See detailDiabète et sport
Kaux, Jean-François ULiege; Radermecker, Régis ULiege

Conference (2019, May 27)

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See detailTendinopathies, ce qu’il ne faut faire et ne pas faire
Kaux, Jean-François ULiege

Conference (2019, May 12)

Le médecin généraliste est souvent confronté aux tendinopathies. Leurs nombreuses formes ou localisations compliquent sa tâche lorsqu’il faut décider du traitement adéquat. La compréhension de la ... [more ▼]

Le médecin généraliste est souvent confronté aux tendinopathies. Leurs nombreuses formes ou localisations compliquent sa tâche lorsqu’il faut décider du traitement adéquat. La compréhension de la pathologie tendineuse par le modèle du continuum de Cook et Purdam, ainsi que la notion d’hétérogénéité ont permis de proposer des stratégies thérapeutiques, adaptées aux différents phénotypes. Dans un premier temps, il est essentiel d’obtenir une antalgie satisfaisante et de la poursuivre dans un second temps par une rééducation physique, associée ou non à un traitement biologique, tel que les ondes de choc ou l’injection de plasma riche en plaquettes, stimulant la régénération. L’objectif étant d’obtenir une récupération optimale en terme de douleur et de fonctionnalité ainsi que de limiter les récidives. À l’aide de l’analyse et de la compréhension de l’évolution de la tendinopathie à travers les 3 stades ainsi que les mécanismes d’action des différents traitements, il est possible de poser les indications thérapeutiques les plus adaptées. Dans leurs études Cook et Purdam divisent leur modèle de continuum en plusieurs catégories thérapeutiques : • réactionnelle et début des remaniements structurels « early disrepair » ; • remaniements structurels avancés « late disrepair » et remaniements dégénératifs. Early disrepair (stade réactionnel et début desremaniements) Dans la première catégorie, nous allons nous orienter vers des traitements antalgiques et anti-inflammatoires qui vont diminuer la prolifération cellulaire et la synthèse protéique, afin de renverser les mécanismes liés à la surcharge. Il est impératif de diminuer la charge à laquelle le tendon est soumis par un repos relatif ou une adaptation du programme d’entrainement des sportifs en compétition. Nous pouvons avoir recours à une prise ponctuelle d’AINS, en particulier l’ibuprofène ou à une injection de corticostéroïdes si les douleurs sont incontrôlables et ne permettent pas une rééducation adéquate. Les étirements, qui augmentent la compression du tendon, ou les programmes d’exercices excentriques qui entretiennent le mécanisme de surcharge, ont tendance à aggraver la pathologie dans sa phase aigüe. Late disrepair (stade des remaniements avancés et dégénératifs) Dans la seconde catégorie, après le contrôle de la phase aigüe hyperalgique, il est important de stimuler la régénération tendineuse. C’est à ce moment que les traitements biologiques tels que les ondes de choc et les injections de PRP ou de HA, en fonction de la localisation anatomique des tendinopathies, prennent toute leur importance. Dans cette catégorie, il faut néanmoins se poser la question de la capacité de régénération réelle du tendon lésé et s’il n’est pas plus avantageux d’orienter le traitement vers une amélioration de la résistance à la charge des zones saines adjacentes dans les stades dégénératifs. Les revues systématiques et RCT mettent en évidence l’importance d’une réhabilitation physique après un traitement antalgique ou biologique stimulant. En effet, seule la mise en charge du tendon permet une stimulation et une réorganisation correcte de la matrice et des fibres de collagène. L’alignement optimal des fibres de collagène va permettre d’augmenter la résistance aux contraintes du tendon et ainsi éviter les récidives fréquentes ou l’évolution vers la chronicité. Les traitements excentriques et à charge lourde sont basés sur un programme de réhabilitation progressif de la mise en charge, en fonction de la douleur tolérée par le patient. Dans ce cadre, on pourrait recommander la réalisation d’une séance de contraction isométrique à visée antalgique avant chaque séance afin de permettre une augmentation des charges appliquées et d’améliorer l’efficacité du traitement. Stade réactionnel sur un tendon dégénératif La révision de leur modèle de continuum par Cook et Purdam met en évidence la possibilité de manifestations réactionnelles dans les portions saines d’un tendon dégénératif. Dans un premier temps, la prise en charge, identique à celle d’un épisode réactionnel sur un tendon sain, se fait par repos relatif et utilisation de traitements à visée antalgique. Par la suite, il faut tenir compte de la faible réversibilité des lésions dégénératives sous-jacentes. Les traitements devront, alors être orientés vers une amélioration de la résistance globale à la mise en charge et au bon alignement des fibres du tendon plutôt qu’un traitement biologique stimulant, ciblé sur la zone dégénérative. Ainsi, les programmes de réhabilitation vont permettre de diminuer le nombre d’épisodes réactionnels sur un tendon dégénératif et freiner la progression de la pathologie sur le continuum. Extrait de « Sauvant C, Kaux JF. Prise en charge des tendinopathies en médecine générale. La Revue de la Médecine Générale n° 346, pages 6-14. » [less ▲]

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See detailFrench translation and validation of the “Anterior Knee Pain Scale” (AKPS)
Buckinx, Fanny ULiege; Bornheim, Stephen ULiege; Remy, Gaël et al

in Disability and Rehabilitation (2019), 41(9), 1089-1094

Purpose: To linguistically and cross-culturally translate the Anterior Knee Pain Scale into French and to evaluate the reliability and validity of this translated version of the questionnaire. Methods ... [more ▼]

Purpose: To linguistically and cross-culturally translate the Anterior Knee Pain Scale into French and to evaluate the reliability and validity of this translated version of the questionnaire. Methods: The translation part was performed in six stages, according to international guidelines: (i) two initial translations from English to French; (ii) synthesis of the two translations; (iii) backward translations into the original language; (iv) expert committee to compare the backward translations with the original questionnaire; (v) pre-final version testing and (VI) expert committee appraisal. To validate the French version of the Anterior Knee Pain Scale, we assessed its validity, reliability and floor/ceiling effects. To do this, volunteer patients from the French part of Belgium and from France, with patellofemoral pain were asked to answer the French version of the Anterior Knee Pain Scale at baseline and after 7 days, as well as the generic SF-36 questionnaire. Results: The Anterior Knee Pain Scale was translated without any major difficulties. A total of 101 subjects aged 34.5 ± 11.4 years (58.4% of women) were included in this study. Results indicated an excellent test-retest reliability (Intra-class correlation coefficient (ICC) = 0.97, 95%CI: 0.96–0.98), a high internal consistency (Cronbach’s alpha = 0.87), a consistent construct validity (high correlations with the SF-36 questionnaire were found with domains related to physical function (r = 0.80), physical role (r = 0.70) and pain (r = 0.64)) and low or moderate correlations with domains related to mental health (r = 0.26), vitality (r = 0.32) and social function (r = 0.41). Moreover, no floor/ceiling effects have been found. Conclusions: A valid French version of the Anterior Knee Pain Scale is now available and can be used with confidence to better assess the disease burden associated with patellofemoral pain. It was successfully cross-culturally adapted into French.Implications for rehabilitationThe results on psychometric properties of the French Anterior Knee Pain Scale are comparable with six validated versions obtained for the Finnish, the Turkish, the Chinese, the Dutch, the Thai and the Persian populations.The French translated version of the Anterior Knee Pain Scale is a reliable and valid instrument for assessing the functional limitations associated with patellofemoral pain.The test–retest reliability of the French Anterior Knee Pain Scale was excellent, the internal consistency was high and the construct validity was consistent. There were no floor/ceiling effects. © 2017 Informa UK Limited, trading as Taylor & Francis Group [less ▲]

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See detailIsokinetic strength profile of subjects with proximal patellar tendinopathy
Kaux, Jean-François ULiege; Croisier, Jean-Louis ULiege; Libertiaux, Vincent

in Muscles, Ligaments and Tendons Journal (2019), 9(2), 210-216

Background. Proximal patellar tendinopathy is relatively common among sportsmen. However, the strength profile of subjects with proximal patellar tendinopathies is poorly described. Purpose. We aimed to ... [more ▼]

Background. Proximal patellar tendinopathy is relatively common among sportsmen. However, the strength profile of subjects with proximal patellar tendinopathies is poorly described. Purpose. We aimed to determine the isokinetic strength profile in order to estimate the difference of muscular performance between the healthy and pathological limbs of subjects suffering of this chronic pathology. Study design. cohort study. Methods. 43 subjects with chronic proximal patellar tendinopathy were involved. It has been based on the evaluation of the quadriceps and the hamstrings muscular performance of the healthy and pathological member on isokinetic dynamometer at the speed of 60°/s (C60) and of 240°/s (C240) in concentric mode and at the speed of 30°/s (E30) in eccentric mode. A visual analogic scale of pain (VAS) has been also realized after each isokinetic test. Results. The results of the isokinetic tests comparing the healthy to the pathological limb are meaningful for the different conditions of contraction and test speeds, just like the results of the VAS associated to those tests (p<0,01). Indeed, pathological knees had a maximum peak torque for the quadriceps in C60 lower than healthy. Conclusion. In our study, the isokinetic results show a significant difference in performance isokinetic between the healthy and the pathological limb as well as VAS associated with these tests. However, the diversity of outcomes recorded in the patients suggests us that an individualized treatment is the case of patellar tendon pathology. Finally, it would seem that an isokinetic test in eccentric in some patients is, in addition to a test of provocation of the tendon, a pain assessment tool. [less ▲]

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