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BACKGROUND: Currently, there is no generally agreed measure available to quantify a subject's perceived severity of exercise-induced leg pain symptoms. The aim of this study was to develop and validate a questionnaire that measures the severity of symptoms that impact on function and sports ability in patients with exercise-induced leg pain. METHODS: The exercise-induced leg pain questionnaire for German-speaking patients (EILP-G) was developed in five steps: (1) initial item generation, (2) item reduction, (3) pretesting, (4) expert meeting and (5) validation. The resulting EILP-G was tested for reliability, validity and internal consistency in 20 patients with exercise-induced leg pain, 20 asymptomatic track and field athletes serving as a population at risk and 33 asymptomatic sport students. RESULTS: The patient group scored the EILP-G questionnaire significantly lower than both control groups (each p<0.001). Test-retest demonstrates an excellent reliability in all tested groups (Intraclass Correlation Coefficient, ICC=0.861-0.987). Concurrent validity of the EILP-G questionnaire showed a substantial agreement when correlated with the chronic exertional compartment syndrome classification system of Schepsis (r=-0.743; p<0.001). Internal consistency for the EILP-G questionnaire was 0.924. CONCLUSIONS: EILP-G questionnaire is a valid and reliable self-administered and disease-related outcome tool to measure the severity of symptoms that impact on function and sports ability in patients with exercise-induced leg pain. It can be recommended as a robust tool for measuring the subjectively perceived severity in German-speaking patients with exercise-induced leg pain.
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Desempenho Atlético/fisiologia , Exercício Físico/fisiologia , Dor Musculoesquelética/etiologia , Adulto , Feminino , Alemanha , Humanos , Perna (Membro) , Masculino , Dor Musculoesquelética/fisiopatologia , Reprodutibilidade dos Testes , Medicina Esportiva , Inquéritos e Questionários , Adulto JovemRESUMO
PURPOSE: Open surgery for patellar tendinopathy allows patients with unilateral and bilateral tendinopathy to return to high levels of physical activity. MATERIALS: Two groups of 23 athletes each underwent open surgical exploration for management of patellar tendinopathy. One group suffered from unilateral patellar tendinopathy (unilateral group), and the other group had bilateral (bilateral group) patellar tendinopathy. Maximum voluntary isometric contraction and anthropometric measures were assessed pre-operatively and at an average follow-up of seven years. The Victorian Institute of Sport Assessment (VISA)-P scoring system was also administered; functional outcomes were classified from excellent to poor according to a modification of Kelly's criteria. RESULTS: At the final follow-up, in both groups, VISA-P scores were significantly improved compared with preoperative values, with no intergroup differences. Clinical results were excellent or good in 21 patients in the unilateral and 19 in the bilateral group. Twenty of 23 patients in the unilateral group and 17 of 23 in the bilateral group were still active in sports (p = 0.2). In the unilateral group, at the last follow-up, thigh volume and strength were significantly improved compared with baseline, with significant difference between operated and nonoperated limbs. In the bilateral group, there were no significant differences in thigh volume and strength between the dominant and nondominant limbs both before and after the index procedure. CONCLUSIONS: This procedure is not technically demanding and provides a high rate of good and excellent outcomes in the long term.
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Patela/cirurgia , Ligamento Patelar/lesões , Tendinopatia/cirurgia , Tenotomia/métodos , Adolescente , Adulto , Seguimentos , Humanos , Contração Isométrica/fisiologia , Estudos Longitudinais , Pessoa de Meia-Idade , Atividade Motora/fisiologia , Patela/fisiologia , Ligamento Patelar/fisiologia , Recuperação de Função Fisiológica/fisiologia , Estudos Retrospectivos , Tendinopatia/fisiopatologia , Resultado do Tratamento , Adulto JovemRESUMO
The diagnosis and management of Achilles tendon ailments continue to be widely discussed by the scientific community. Also, the nomenclature used to describe the tendinopathic lesion in patients changed over the last decades together with the evolution in the knowledge of the physiopathology of Achilles tendinopathy, and unfortunately, through ignorance and possibly laziness, confusion still abounds. To emerge from these foggy paths, some clarifications are still necessary. The present Editorial tries to clarify some of these issues.
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Tendão do Calcâneo , Tendinopatia , Humanos , Tendão do Calcâneo/cirurgia , Tendão do Calcâneo/patologia , Tendinopatia/diagnóstico , Tendinopatia/terapia , Tendinopatia/patologia , EscóciaRESUMO
OBJECTIVES: We investigated differences in the intracompartmental pressures (ICP) of the leg in relation to various positions of the ankle joint in patients with chronic exertional compartment syndrome (CECS). METHODS: The study included 16 patients (10 males, 6 females; mean age 30+/-9 years, range 16 to 48 years) actively involved in various sports. Intracompartmental pressures were monitored with the use of slit catheters connected to a pressure transducer in 28 anterior and 14 deep posterior compartments before and after exercise during the following positions of the ankle joint: relaxed-resting, passive plantar flexion, neutral, and passive dorsiflexion. Alterations in ICP were assessed with reference to that measured in the relaxed-resting position of the ankle. RESULTS: Significant increases in ICP were observed in both anterior and deep posterior compartments during dorsiflexion of the ankle, being 9.1+/-10.6 mmHg (p=0.0001) and 8+/-10.3 mmHg (p=0.001) in the anterior compartment, and 6.4+/-4.4 mmHg (p=0.0001) and 7.2+/-4.3 mmHg (p=0.001) in the deep posterior compartment before and after exercise, respectively. No significant increases were found in other positions of the ankle (p>0.05). While the lowest values of ICP were noted in the relaxed-resting position, plantar flexion of the ankle was associated with decreased ICP pressures. CONCLUSION: Dorsiflexion of the ankle increases ICP significantly in both anterior and deep posterior compartments. The results of this study may have clinical implications for the conservative management of both CECS and tibial fractures.
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Articulação do Tornozelo/fisiologia , Síndrome do Compartimento Anterior/fisiopatologia , Articulação do Joelho/fisiologia , Músculo Esquelético/fisiologia , Postura , Adolescente , Adulto , Articulação do Tornozelo/fisiopatologia , Síndrome do Compartimento Anterior/diagnóstico , Síndrome do Compartimento Anterior/prevenção & controle , Feminino , Humanos , Articulação do Joelho/fisiopatologia , Perna (Membro)/fisiologia , Masculino , Pessoa de Meia-Idade , Pressão , Fatores de Risco , Fraturas da Tíbia/cirurgia , Adulto JovemRESUMO
PURPOSE: To report the middle term outcome in male and female patients who underwent surgery for chronic recalcitrant Achilles tendinopathy. METHODS: We tried to match each of the 58 female patients with a diagnosis of tendinopathy of the main body of the Achilles tendon with a male patient with tendinopathy of the main body of the Achilles tendon who was within two years of age at the time of operation. A match accordingly was possible for 41 female subjects. RESULTS: Female patients were shorter and lighter than male patients. They had similar BMI, lower calf circumference, similar side-to-side calf circumference differences, and greater subcutaneous body fat than men. Of the 41 sedentary patients, only 25 reported an excellent or good result. Of these, three had undergone a further exploration of the Achilles tendon. The remaining patients could not return to their normal levels of activity despite prolonged supervised post-operative physiotherapy, with cryotherapy, massage, ultrasound, pulsed magnetic, and laser therapy. CONCLUSION: Females experience more prolonged recovery, more complications, and a greater risk of further surgery than males with recalcitrant Achilles tendinopathy.
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Tendão do Calcâneo/cirurgia , Avaliação de Resultados em Cuidados de Saúde , Tendinopatia/cirurgia , Tendão do Calcâneo/fisiopatologia , Estatura , Peso Corporal , Doença Crônica , Feminino , Humanos , Estilo de Vida , Estudos Longitudinais , Masculino , Atividade Motora , Recuperação de Função Fisiológica/fisiologia , Reoperação , Fatores Sexuais , Tendinopatia/fisiopatologia , Fatores de TempoRESUMO
A main role of clinicians treating patients after orthopedic surgery is to inform patients about their anticipated recovery rate and recovery endpoint. In estimating recovery rate, clinicians consider a series of potentially influencing factors, including the type and severity of injury and the characteristics of the patient. Unfortunately, this is done largely without evidence to support factors believed to be important in recovery rate. To our knowledge, no studies exist where factors that might influence recovery rate after arthroscopic partial meniscectomy have been evaluated. Eighty-three patients (11 women and 72 men) were evaluated 4 days after and then again 6 weeks after knee arthroscopic partial meniscectomy surgery. Recovery rate was calculated by dividing the change in a patient's Hughston Clinic knee self-assessment questionnaire during this period by his or her baseline Hughston score and relationships to independent variables (gender, age, body mass index [BMI], injury chronicity, affected meniscus, Hughston Clinic knee self-assessment score at baseline, knee flexion passive range of motion, and knee circumference). These were evaluated using backward stepwise regression analysis. The relationship between recovery rate and the independent variables was statistically significant (P,.05) for the following variables: injury chronicity, gender, and gender/injury type combination. The most unexpected finding in this study was the statistically nonsignificant relationship between recovery rate and the following variables: age, Hughston score, BMI, knee swelling, and knee flexion passive range of motion loss.
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Artroscopia/estatística & dados numéricos , Traumatismos do Joelho/epidemiologia , Traumatismos do Joelho/cirurgia , Meniscos Tibiais/cirurgia , Avaliação de Resultados em Cuidados de Saúde/métodos , Recuperação de Função Fisiológica , Medição de Risco/métodos , Lesões do Menisco Tibial , Adolescente , Adulto , Feminino , Humanos , Londres/epidemiologia , Masculino , Pessoa de Meia-Idade , Fatores de Risco , Resultado do Tratamento , Adulto JovemRESUMO
PURPOSE: To ascertain whether the Royal London Hospital test is reproducible, sensitive, and specific for diagnosis of patellar tendinopathy. METHODS: Fifteen consecutive athletes with patellar tendinopathy were prospectively enrolled and compared with a control group of 15 non consecutive athletes with Achilles tendinopathy. Two testers examined separately each patient, using manual palpation and the Royal London Hospital test for diagnosis of patellar tendinopathy. High resolution real time ultrasonography was used as standard for diagnosis of tendinopathy and assessment of tendon thickness. RESULTS: The palpation test presented significantly higher sensitivity compared to the Royal London Hospital test (98 vs 88%; P=0.01); specificity was 94% for the palpation test and 98% for the Royal London Hospital test (P>0.05). Positive and negative predictive values were 94 and 98% for palpation test, 98 and 89% for the Royal London Hospital test, respectively. The two tests showed good to very good intra-tester and inter-tester agreement. At ultrasonography, pathological patellar tendons were significantly thicker compared to controlateral healthy tendon (P<0.001). CONCLUSIONS: In symptomatic patients with patellar tendinopathy, the Royal London Hospital test showed lower sensitivity and higher specificity than manual palpation. Both tests should be performed for a correct clinical diagnosis of patellar tendinopathy. Imaging assessment should be performed as a confirmatory test. LEVEL OF EVIDENCE: III.
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PURPOSE: To ascertain whether there are differences in the histopathological appearance of tendinopathic Achilles and patellar tendons. METHODS: In males, we studied biopsies from tendinopathic Achilles (N = 28; average age 34.1 yr) and patellar tendons (N = 28; average age 32.1), Achilles tendons (N = 21; average age 61.8 yr) from deceased patients with no known tendon pathology, and patellar tendons (N = 15; average age 28.3) from patients undergoing anterior cruciate ligament reconstruction. Hematoxylineosin stained slides were interpreted using a semiquantitative grading scale (0: normal to 3: maximally abnormal) for fiber structure, fiber arrangement, rounding of the nuclei, regional variations in cellularity, increased vascularity, decreased collagen stainability, and hyalinization. All slides were assessed blindly twice, the agreement between two readings ranging from 0.170 to 0.750 (kappa statistics). RESULTS: The highest mean score of tendinopathic Achilles tendons was not significantly different from that of tendinopathic patellar tendons (11.6 +/- 5 and 10.4 +/- 3, respectively). The ability to differentiate between an Achilles tendon and a patellar tendon was low. CONCLUSIONS: Tendinopathic Achilles and patellar tendons show a similar histological picture. It was not possible to identify whether a specimen had been harvested from an Achilles or a patellar tendon on the basis of histological examination. The general pattern of degeneration was common to both tendinopathic Achilles and patellar tendons. A common, as yet unidentified, etiopathological mechanism may have acted on both these tendon populations.
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Tendão do Calcâneo/patologia , Patela/patologia , Traumatismos dos Tendões/patologia , Tendões/patologia , Adolescente , Adulto , Humanos , Modelos Logísticos , Estudos Longitudinais , Masculino , Pessoa de Meia-Idade , Reprodutibilidade dos TestesRESUMO
PURPOSE: The goal of the study was to report the prevalence of the lesions of the articular cartilage of the femoral condyles and tibial plateau in patients with a symptomatic anterior cruciate ligament (ACL)-deficient knee undergoing day-case arthroscopy. TYPE OF STUDY: Case series study. METHODS: We studied 378 skeletally mature patients (average age, 27.3 years; range, 16-50 years; 282 men and 84 women), part of a sample of 1,978 patients undergoing a primary knee arthroscopy between January 1986 and August 1993. The articular cartilage lesions were classified according to Outerbridge by a single observer. We assessed the relationship between time of injury and articular cartilage lesions and between meniscal lesions and articular cartilage lesions. RESULTS: A complete ACL tear was found in all 378 knees. Of these, 157 showed at least one lesion of the articular cartilage. The medial femoral condyle (MFC) showed the highest frequency of articular cartilage lesions, especially in the weight-bearing portion. Patients with a bucket-handle tear of the medial meniscus had greater degeneration of the MFC than those with other meniscal tears. A meniscal tear was associated with a greater degree of articular damage. The second most common lesion was a combined lesion of the medial and lateral compartments, followed by isolated lateral compartment lesion. A time-dependent pattern of development of articular cartilage lesions was identified. CONCLUSIONS: In patients with more advanced degenerative changes, the time from injury to arthroscopy was significantly longer than in patients with lesser articular surface abnormalities, and the presence of a meniscal tear was associated with a greater degree of articular cartilage damage. Patients with a symptomatic ACL-deficient knee and an associated tear of the medial meniscus are at high risk of having a lesion of the articular surface of the weight bearing area of the knee.
Assuntos
Ligamento Cruzado Anterior/cirurgia , Artroscopia , Cartilagem Articular/patologia , Complicações Pós-Operatórias/patologia , Adolescente , Adulto , Lesões do Ligamento Cruzado Anterior , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Lesões do Menisco Tibial , Resultado do TratamentoRESUMO
The pivot shift test is a cornerstone in the clinical diagnosis of anterior cruciate ligament (ACL) deficiency. It can be difficult to perform in overweight patients or in those with long or bulky legs. We present an alternative method to perform the pivot shift test that recalls the judo technique of figure-of-four knee lock and eases the examination of the patient with anterior cruciate ligament deficiency. This modality of execution also makes the surgeon able to perform varus-valgus tests with small changes in hand positions. The surgeon, embracing with one arm the tibia of the affected limb, grasps with this hand the wrist of his free arm opposite to the affected limb. Then the surgeon hooks onto the posterior surface of the leg with his free hand. In this way, the surgeon can exert a moment on the limb of the patient, and can apply combined internal rotation, flexion, and valgus stress to perform the pivot shift test or simply varus or valgus force to perform the varus-valgus tests.
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Ligamento Cruzado Anterior/fisiopatologia , Instabilidade Articular/diagnóstico , Exame Físico , Lesões do Ligamento Cruzado Anterior , Fenômenos Biomecânicos , Humanos , Instabilidade Articular/fisiopatologia , Artes Marciais , Posicionamento do Paciente , Valor Preditivo dos TestesAssuntos
Lesões do Ligamento Cruzado Anterior , Ligamento Cruzado Anterior/cirurgia , Conhecimentos, Atitudes e Prática em Saúde , Traumatismos do Joelho/diagnóstico , Traumatismos do Joelho/cirurgia , Artroscopia , Austrália , Hemartrose/diagnóstico , Hemartrose/etiologia , Humanos , Traumatismos do Joelho/complicações , Meniscos Tibiais/cirurgia , Reino Unido , Estados UnidosRESUMO
Chronic exertional compartment syndrome (CECS) usually refers to myoneural ischemia from a reversible increase in tissue pressure within a myofascial compartment. CECS of the leg is well documented, as its first description by Mavor in 1956. CECS of the foot remains underdiagnosed, and has been reported in the literature only on an anecdotal basis. Wood Jones proposed that there were 4 compartments in the foot, but Manoli and Weber suggest that there are 9 separate compartments. Clinical signs and symptoms of CECS of the foot remain vague, diverse, and lack the consistency of its counterpart in the leg. The most effective treatment is a fasciotomy. We present a literature review of the condition to increase the awareness and high index of suspicion among the clinicians as the symptoms are often vague and, to consider the condition as part of the differential diagnosis.
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Traumatismos em Atletas/diagnóstico , Síndromes Compartimentais/diagnóstico , Traumatismos do Pé/diagnóstico , Pé/patologia , Esforço Físico , Traumatismos em Atletas/patologia , Traumatismos em Atletas/cirurgia , Doença Crônica , Síndromes Compartimentais/patologia , Síndromes Compartimentais/cirurgia , Pé/anatomia & histologia , Pé/cirurgia , Traumatismos do Pé/patologia , Traumatismos do Pé/cirurgia , HumanosRESUMO
OBJECTIVE: The purpose of this study was to evaluate whether knee anterior laxity changes after anterior cruciate ligament injury and surgery are related to aspects of thigh muscle resistance training during rehabilitation. DESIGN: Forty-nine subjects (13 females) diagnosed with an anterior cruciate ligament-deficient knee or who had undergone anterior cruciate ligament reconstructive surgery participated in this study. The subjects trained their knee extensors in the open kinetic chain during a 6-wk program, and the relationship of aspects of training (for example, absolute resistance load) and other factors to anterior laxity change during this period were analyzed using linear regression analysis. RESULTS: The only factor found to be significantly related (r = -0.347) to anterior knee laxity change was average absolute load used in training the knee extensors. CONCLUSIONS: These results offer some early clinical support for increasing the strain on the anterior cruciate ligament graft (in patients treated with reconstruction) or other passive restraints to anterior tibial displacement, during rehabilitation after anterior cruciate ligament injury and reconstruction surgery to promote decreased knee anterior laxity.
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Lesões do Ligamento Cruzado Anterior , Enxerto Osso-Tendão Patelar-Osso/reabilitação , Instabilidade Articular/etiologia , Treinamento Resistido/efeitos adversos , Adulto , Ligamento Cruzado Anterior/cirurgia , Feminino , Humanos , Instabilidade Articular/reabilitação , Articulação do Joelho/fisiopatologia , Masculino , Músculo Quadríceps , Recuperação de Função Fisiológica , Treinamento Resistido/métodos , Adulto JovemRESUMO
OBJECTIVE: To report the outcome of surgery for chronic recalcitrant Achilles tendinopathy in nonathletic and athletic subjects. DESIGN: Case-control study. SETTING: University teaching hospitals. PATIENTS: We matched each of the 61 nonathletic patients with a diagnosis of tendinopathy of the Achilles tendon with an athletic patient with tendinopathy of the main body of the Achilles tendon of the same sex and age (+/-2 years). A match was possible for 56 patients (23 males and 33 females). Forty-eight nonathletic subjects and 45 athletic subjects agreed to participate. INTERVENTIONS: Open surgery for Achilles tendinopathy. MAIN OUTCOME MEASURE: Outcome of surgery, return to sport, complication rate. RESULTS: Nonathletic patients were shorter and heavier than athletic patients. They had greater body mass index, calf circumference, side-to-side calf circumference differences, and subcutaneous body fat than athletic patients. Of the 48 nonathletic patients, 9 underwent further surgery during the study period, and only 25 reported an excellent or good result. Of the 45 athletic subjects, 4 underwent further surgery during the study period, and 36 reported an excellent or good result. The remaining patients could not return to their normal levels of activity. In all of them, pain significantly interfered with daily activities. CONCLUSIONS: Nonathletic subjects experience more prolonged recovery, more complications, and a greater risk of further surgery than athletic subjects with recalcitrant Achilles tendinopathy.
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Tendão do Calcâneo/cirurgia , Aptidão Física/fisiologia , Recuperação de Função Fisiológica/fisiologia , Tendinopatia/reabilitação , Tendinopatia/cirurgia , Tendão do Calcâneo/patologia , Tendão do Calcâneo/fisiologia , Antropometria , Estudos de Casos e Controles , Feminino , Humanos , Masculino , Inquéritos e Questionários , Tendinopatia/patologia , Resultado do TratamentoRESUMO
Open kinetic chain (OKC) knee extensor resistance training has lost favour in ACLR rehabilitation due to concerns that this exercise is harmful to the graft and will be less effective in improving function. In this randomized, single-blind clinical trial OKC and closed kinetic chain (CKC) knee extensor training were compared for their effects on knee laxity and function in the middle period of ACLR rehabilitation. The study subjects were 49 patients recovering from ACLR surgery (37 M, 12 F; mean age=33 years). Tests were carried out at 8 and 14 weeks after ACLR with knee laxity measured using a ligament arthrometer and function with the Hughston Clinic knee self-assessment questionnaire and single leg, maximal effort jump testing (post-test only). Between tests, subjects trained using either OKC or CKC resistance of their knee and hip extensors as part of formal physical therapy sessions three times per week. No statistically significant (one-way ANOVA, p>0.05) differences were found between the treatment groups in knee laxity or leg function. OKC and CKC knee extensor training in the middle period of rehabilitation after ACLR surgery do not differ in their effects on knee laxity or leg function. Exercise dosages are described in this study and further research is required to assess whether the findings in this study are dosage specific.
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Lesões do Ligamento Cruzado Anterior , Ligamento Cruzado Anterior/cirurgia , Terapia por Exercício/métodos , Traumatismos do Joelho/reabilitação , Procedimentos Ortopédicos/reabilitação , Cuidados Pós-Operatórios/métodos , Adolescente , Adulto , Ligamento Cruzado Anterior/fisiopatologia , Feminino , Humanos , Instabilidade Articular/reabilitação , Traumatismos do Joelho/cirurgia , Masculino , Pessoa de Meia-Idade , Recuperação de Função Fisiológica , Método Simples-Cego , Resultado do Tratamento , Levantamento de PesoRESUMO
Open kinetic chain (OKC) knee extensor resistance training has lost favour in rehabilitation of patients with knee ACLD due to concerns that this exercise is harmful to the remaining portion of the ACL and its secondary stabilizers, and will be less effective in improving function. In this randomized, single-blind clinical trial, closed and OKC knee extensor training were compared for their effects on knee laxity and function in patients with ACLD knees. Sixty-four patients with a diagnosis of knee ACLD (49 M, 15 F; mean age=30 years) were measured for knee laxity, using a ligament arthrometer, and function with the Hughston Clinic knee self-assessment questionnaire and maximal effort single leg jump testing. Between the above tests and identical tests carried out 6 weeks later, subjects trained using either open or closed kinetic chain resistance of their knee and hip extensors as part of formal physical therapy sessions three times per week for 6 weeks. The groups exhibited no statistically significant differences (p<0.083) in outcome. These results indicate that knee extensor OKC training, as used in this study, can be safely applied to patients with knee ACL deficiency, and shows no superiority to CKC training.
Assuntos
Lesões do Ligamento Cruzado Anterior , Instabilidade Articular/reabilitação , Modalidades de Fisioterapia , Adulto , Análise de Variância , Ligamento Cruzado Anterior/fisiopatologia , Feminino , Humanos , Articulação do Joelho/fisiopatologia , Masculino , Método Simples-Cego , Resultado do TratamentoRESUMO
OBJECTIVE: To evaluate sensitivity, specificity, reproducibility, and predictive value of palpation of the painful arc sign and of the Royal London Hospital test in 10 patients with Achilles tendinopathy and in 14 asymptomatic subjects. DESIGN: Test-retest study. SETTING: University teaching hospital. PARTICIPANTS: Ten male athletes on the waiting list for exploration of one of their Achilles tendons for tendinopathy of the main body of the tendon attended a special clinic. Each was invited to bring at least one athlete of the same sex in the same discipline aged within 2 years of themselves with no history and no symptoms of Achilles tendinopathy. A total of 14 controls were thus recruited. MAIN OUTCOME MEASURES: Pain and tenderness following performance of palpation, the painful arc sign, and the Royal London Hospital test. RESULTS: There were no statistically significant differences at the 5% level among the effects of investigator or between morning and afternoon measurements for any of the three measurement methods. There was no evidence of a difference of the three assessment methods (p > 0.05). When the three methods were combined, the overall sensitivity was 0.586 (confidence interval [CI], 0.469-0.741), and the overall specificity was 0.833 (CI, 0.758-0.889). CONCLUSIONS: In patients with tendinopathy of the Achilles tendon with a tender area of intratendinous swelling that moves with the tendon and whose tenderness significantly decreases or disappears when the tendon is put under tension, a clinical diagnosis of tendinopathy can be formulated, with a high positive predictive chance that the tendon will show ultrasonographic and histologic features of tendinopathy.