Análisis Cinemático en Corredores de la Quinta Región con Dolor Anterior de Rodilla
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2014
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Universidad Andrés Bello
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Antecedentes: El running es el segundo deporte más practicado en Chile. Esto expone a los corredores a sufrir diversas lesiones musculotendíneas, articulares, entre otras, teniendo la rodilla como localización más frecuente de lesiones de extremidad inferior. En el dolor anterior de rodilla (DAR), los factores etiológicos siguen siendo controversiales debido a su carácter multifactorial dificultando las intervenciones por parte de los terapeutas. Objetivo: El objetivo de este seminario es comparar las variables cinemáticas como CoP, actividad EMG, parámetros de la marcha, entre otros, que se presentes en el DAR en runners entre 18 y 25 años de la quinta región, Chile Tipo de investigación y diseño: Mixta y diseño no experimental longitudinal. Alcance: Descriptivo Materiales y Método: Sujetos entre 18-25 años. Recolección de datos: A través de ficha de registros. Análisis de Información: Las variables fueron analizadas dependiendo de su característica a través de la prueba de Fisher y prueba T-student, y se utilizaron las pruebas de correlación de Pearson y prueba de Wilcoxon para el análisis estadístico. Resultados: Para las variables estudiadas, se hallo una buena correlación directa del 0,6747 entre EMG VMO y dolor, y una buena correlación inversa con un alto nivel de significancia del -0,7609 entre amplitud EMG RF y desplazamiento A-P del CoP en el grupo DAR. En el grupo sin DAR se hallo una buena correlación directa del 0,65809 entre la amplitud EMG VMO y el desplazamiento del CoP en la huella plantar, y una buena correlación directa del 0,64229 entre el tiempo EMG VMO y el ángulo Q. Conclusión: Los valores cinemáticos obtenidos se correlacionan con la evidencia bibliográfica, destacando en el grupo con DAR la actividad electromiográfica del recto femoral (RF) en el desplazamiento antero-posterior (A-P) del centro de presión (CoP). No obstante, falta un mayor análisis para poder determinar una buena correlación y significancia en las otras variables estudiadas.
Background: Running is the second most practiced sport in Chile. This exposes runners to several muscle, tendons and joints injuries, among others; being the knee the most frequent location of injuries in the lower extremity. In the anterior knee pain (DAR), the etiological features are controversial because of its multifactorial nature and the interventions from the therapist. Objective: the objective of this seminar is to compare variables like COP, EMG activity, walking parameters, among others. That can be included in DAR in 18-25 year old runners in the fifth region, Chile. Type of investigation: mixed and non-experimental longitudinal design. Scope: Descriptive. Materials and methods: 18 to 25 year- old subjects. Information gathering: through registration form. Information analysis: the variables were analysed according to their own characteristics through Fisher test and T- student test. Moreover, Pearson interrelation test and Wilcoxon test were used for the statistic analysis. Results: a direct correlation was found in the studied variables from 0,6747 between EMG VMO and pain. Also, a good inverse correlation with significance of -0,7609 between EMG RF amplitude and A-P movement of CoP in DAR groups were found. In the group without DAR a good direct correlation of 0,65809 of amplitude EMG VMO and the movement of CoP in the footprint were found, and a good direct correlation of 0,64229 between EMG VMO time and Q angle. Conclusion: the cinematic values obtained correlate with the bibliographic evidence, highlighting in the DAR group, the electromyographic activity of Rectus Femoris (RF) in the front-to-back (A-P) of the pressure centre (CoP). However, there is a need of a mayor analysis to determine a good correlation and significance in different studied variables.
Background: Running is the second most practiced sport in Chile. This exposes runners to several muscle, tendons and joints injuries, among others; being the knee the most frequent location of injuries in the lower extremity. In the anterior knee pain (DAR), the etiological features are controversial because of its multifactorial nature and the interventions from the therapist. Objective: the objective of this seminar is to compare variables like COP, EMG activity, walking parameters, among others. That can be included in DAR in 18-25 year old runners in the fifth region, Chile. Type of investigation: mixed and non-experimental longitudinal design. Scope: Descriptive. Materials and methods: 18 to 25 year- old subjects. Information gathering: through registration form. Information analysis: the variables were analysed according to their own characteristics through Fisher test and T- student test. Moreover, Pearson interrelation test and Wilcoxon test were used for the statistic analysis. Results: a direct correlation was found in the studied variables from 0,6747 between EMG VMO and pain. Also, a good inverse correlation with significance of -0,7609 between EMG RF amplitude and A-P movement of CoP in DAR groups were found. In the group without DAR a good direct correlation of 0,65809 of amplitude EMG VMO and the movement of CoP in the footprint were found, and a good direct correlation of 0,64229 between EMG VMO time and Q angle. Conclusion: the cinematic values obtained correlate with the bibliographic evidence, highlighting in the DAR group, the electromyographic activity of Rectus Femoris (RF) in the front-to-back (A-P) of the pressure centre (CoP). However, there is a need of a mayor analysis to determine a good correlation and significance in different studied variables.
Notas
Tesis (Kinesiología)
Palabras clave
Traumatismos en Atletas, Prevención y Control, Postura Humana (Desórdenes)