Kinematic gait analysis of patients with amyotrophic lateral sclerosis: presentation of three cases / Análise cinemática da marcha em pacientes com esclerose lateral amiotrófica: apresentação de três casos
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Abstract
Amyotrophic Lateral Sclerosis is a degenerative disorder of the central nervous system involving motor neurons, which directly affect the gait of a person. The aim of this study was to analyze the gait kinematics of patients affected by this pathology in different stages. A descriptive cross-sectional research was designed with three subjects who were classified in stages I, II and III proposed by Sinaki & Mulder. Regarding the spatial-temporal variables, it was observed that the more the stage of the pathology progresses, the further the values get from normality. In the angular kinematic parameters, there was a greater hip flexion to achieve ambulation, together with a decrease in the extension in the three joints studied. The results showed that the data from the subjects presenting amyotrophic lateral sclerosis differ from normal at all stages and the losses caused by the disease have direct influence on gait kinematics mainly with the progress of the disease when the overall symptoms become more incapacitating.
Keywords: Amyotrophic lateral sclerosis; Gait; Kinematics
A Esclerose Lateral Amiotrófica é um distúrbio degenerativo do sistema nervoso central envolvendo neurônios motores que afetam diretamente a marcha. O objetivo deste estudo foi analisar a cinemática da marcha de indivíduos afetados por esta patologia, em diferentes estágios. Trata-se de uma pesquisa descritiva transversal em três sujeitos classificados entre os estágios I, II e III propostos por Sinaki e Mulder. Em relação às variáveis espaço-temporais, observa-se que conforme o estágio da patologia avança, mais os valores se distanciam da normalidade. Nos parâmetros cinemáticos angulares, observa-se maior flexão de quadril para conseguir deambular, somada a uma diminuição na extensão nas três articulações estudadas. Os resultados demostram que os dados destes indivíduos diferem da normalidade em todos os estágios e as perdas causadas pela doença têm influência direta na cinemática da marcha, principalmente com o progresso da doença, quando os sintomas gerais se tornam mais incapacitantes.
Palavras-Chave: Esclerose lateral amiotrófica; Marcha; Cinemática
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