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Abstract Objective The main objective of the present study was to compare the subjective perception of pain and symptoms of anterior knee pain with the different body mass index (BMI) classifications. The secondary objective was to verify the association between biological and anthropometric variables with the results of subjective questionnaires. Methods A total of 126 recreational runners from both genders, aged between 20 and 59 years old, were recruited. Data regarding the biological variable (age), anthropometric variables (weight, height), visual analog scale (VAS), and Lysholm and Kujala questionnaires scores were collected. Information was obtained with a digital platform, available through a single link, allowing volunteers to answer these questions using electronic devices. Normality was verified by the Shapiro-Wilk test. T-tests and Wilcoxon tests were used to compare mean values. The association between variables was determined by the Pearson linear correlation. Results There were significant differences in height between overweight and grade 1 obesity subjects (p = 0.029), in weight and BMI comparing normal weight subjects and both overweight and grade 1 obesity subjects (p < 0.001 and p < 0.05, respectively). An unclear significant correlation was observed between BMI values and specific questionnaires and subjective scale scores (p < 0.05). Conclusion Recreational runners who present high BMI values are more likely to experience knee pain than those with normal BMI values.

Resumo Objetivo O principal objetivo do presente estudo foi comparar a percepção subjetiva de dor e sintomas de dor anterior no joelho com as diferentes classificações de índice de massa corporal (IMC). O objetivo secundário foi verificar a associação entre as variáveis biológica e antropométrica com os resultados apresentados pelos sujeitos nos questionários subjetivos. Métodos Foram recrutados 126 corredores recreacionais de ambos os gêneros, com idades entre 20 e 59 anos. Foram coletados dados referentes à variável biológica idade, e as variáveis antropométricas peso e altura, além da escala visual analógica (EVA) e os questionários Lysholm e Kujala. As informações foram obtidas por meio de plataforma digital, disponibilizado em um único link, para que fossem respondidos através de dispositivos eletrônicos pelos próprios voluntários. A normalidade foi verificada por meio do teste Shapiro-Wilk. Foi utilizado o teste-T e o teste de Wilcoxon para comparação das médias. A associação entre as variáveis foi determinada pela correlação linear de Pearson. Resultados Houve diferença significativa entre a estatura do grupo sobrepeso e o grupo obesidade grau 1 (p = 0,029), e o peso do grupo peso normal para os grupos sobrepeso e obesidade grau 1 (p < 0,001), e entre as médias do IMC (p < 0,05). Foi observada correlação significativa não clara entre o IMC e os questionários específicos e a escala subjetiva (p < 0.05). Conclusão Os corredores recreacionais que possuem IMC acima dos valores de normalidade estão mais predispostos a apresentar dor no joelho do que aqueles com IMC normal.

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Introducción La escala de Lysholm fue desarrollada en 1982 y modificada en 1985 con el fin de evaluar la funcionalidad de los pacientes con lesiones ligamentarias; desde entonces ha sido ampliamente utilizada para evaluar subjetivamente a los pacientes en relación con su capacidad funcional. El propósito de este estudio fue realizar su traducción y adaptación transcultural al español colombiano y desarrollar la validación psicométrica a través de la evaluación de la consistencia interna y fiabilidad test-retest. Materiales y métodos Previa identificación de la escala original de interés, se realizó traducción (inglés-español), adaptación cultural y re-traducción (español-inglés) por expertos lingüistas nativos, quienes valoraron la similitud del contenido de ambos productos (original y retraducido). Asimismo, dicha última versión fue valorada por 40 pacientes con enfermedad de rodilla (lesión meniscal, ruptura de ligamento cruzado anterior, condromalacia y gonartrosis), quienes confirmaron comprender el texto. Posteriormente fue evaluada la consistencia interna mediante la prueba de alfa de Cronbach para todos los ítems, y el coeficiente correlación intraclase­puntaje total del sub-constructo a través de una muestra aleatoria (n=93), la cual validó la estructura factorial de la escala. Resultados El alfa de Cronbach fue de 0,737 y el coeficiente de correlación interclase fue de 0,844, asociado a una concordancia inter-observador alta (Gamma=0,752). El gráfico de Bland-Altman no demostró diferencias sistemáticas entre las mediciones Discusión La presente versión al español (colombiano) de la escala Lysholm es una herramienta válida para medir la funcionalidad en pacientes con lesiones meniscales del ligamento cruzado anterior, condromalacia patelofemoral y gonartrosis en países de habla hispana (preferentemente en Colombia).

Background The Lysholm scale was developed in 1982 and modified in 1985 in order to assess the functionality of patients with knee ligament injuries; since then it has been widely used to subjectively evaluate patients in relation to their functional capacity. The purpose of the study was to carry out its translation and cross-cultural adaptation to Colombian Spanish and to develop psychometric validation through the evaluation of internal consistency and test-retest reliability. Methods After identifying the original scale of interest, translation (English-Spanish), cultural adaptation and re-translation (Spanish-English) were carried out by native linguist experts, who assessed the similarity of the content of both products (original and retranslated). Likewise, this latest version was evaluated by 40 patients with knee disease (meniscal injury, anterior cruciate ligament rupture, chondromalacia and gonarthrosis), who confirmed that they understood the text. Subsequently, the internal consistency was evaluated using Cronbach's alpha test for all items, and the intraclass correlation coefficient ­ ??total score of the sub-construct through a random sample (n=93), which validated the factorial structure of the scale. Results Cronbach's alpha was 0.737 and the interclass correlation coefficient was 0.844, associated with a high inter-observer agreement (Gamma=0.752). The Bland-Altman plot did not show systematic differences between the measurements Discussion This Spanish (Colombian) version of the Lysholm scale is a valid tool to measure functionality in patients with meniscal lesions of the anterior cruciate ligament, patellofemoral chondromalacia and gonarthrosis in Spanish-speaking countries (preferably in Colombia).

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Introducción. La rotura del ligamento cruzado anterior es frecuente y conlleva a una gran inestabilidad de la rodilla, siendo la reconstrucción el tratamiento ideal. Objetivo. Evaluar la evolución funcional de pacientes operados de reconstrucción de ligamento cruzado anterior con sistemas de anclaje externo y expansión interna. Diseño. Estudio analítico, observacional, longitudinal y ambispectivo. Lugar. Departamento de Traumatología y Ortopedia, Hospital Nacional de la Policía "Luis Nicasio Sáenz", Lima, Perú. Participantes.Todos los pacientes que cumplieron con los criterios de inclusión y exclusión durante el periodo enero a diciembre 2014. Intervenciones. La recolección de datos se basó en la historia clínica, examen físico y la aplicación de la escalas de Lysholm y Tegner al inicio del estudio y a los 6 y 12 meses de seguimiento. Los resultados fueron analizados con estadística descriptiva e inferencial con las pruebas de Shapiro-Wilk y U de Mann-Withney para variables no paramétricas. Resultados. Se incluyó 46 pacientes, 38 hombres y 8 mujeres; la edad promedio fue 31,7 años, se colocaron 13 sistemas de expansión interna y 33 de anclaje externo. No hubo complicaciones intrahospitalarias. La escala de Lysholm mostró un incremento de 65,2 puntos (pobre) en promedio en el preoperatorio a 88,0 puntos (bueno) a 12 meses; la escala de Tegner, dio 7 puntos en 42 pacientes y 8 puntos en 4 pacientes (nivel de actividad física media). No se encontró diferencias significativas sobre la recuperación funcional entre ambos sistemas. Conclusiones. Ambos sistemas de fijación de expansión interna y de anclaje externo tuvieron buenos resultados, mejorando la funcionalidad de la rodilla de pobre a bueno, posterior a la cirugía.

Introduction: The anterior cruciate ligament rupture is common and produces great knee instability; reconstruction is the ideal treatment. Objective: To determine the functional evolution of patients undergoing anterior cruciate ligament reconstruction with external anchoring and internal expansion systems. Design: Analytical, observational, longitudinal and ambispective study. Location: Orthopedics and Traumatology Department, Hospital Nacional de Policía "Luis Nicasio Saenz", Lima, Peru. Participants: All patients who met the inclusion and exclusion criteria from January to December 2014. Interventions: Data collection was based on medical history, physical examination and application of the Lysholm and Tegner Knee Scoring Scales at baseline and after 6 and 12 months follow-up. Results were analyzed with descriptive and inferential statistics with the Shapiro-Wilk and Mann-Whitney U tests for nonparametric variables. Results: 46 patients were included, 38 men and 8 women; the mean age was 31.7 years; 13 patients received an internal expansion system and 33, an external anchoring systems were placed. There were no medical complications. Lysholm Knee Scoring Scale showed an increase from 65.2 points (poor) on average in the preoperative assessment to 88.0 points (good) 12 months later; Tegner Activity Scale showed 7 points in 42 patients and 8 points in 4 patients (middle physical activity level). There was no significant difference on functional recovery between the two systems. Conclusions: Both internal expansion and external anchoring fixation systems had good results by improving the knee function from poor to good after surgery