Estudo eletromiográï¬co da atividade concêntrica e excêntrica do quadríceps em portadores de osteoartrite de joelhos
DOI:
https://doi.org/10.33233/fb.v10i6.1576Abstract
A fraqueza do músculo quadríceps é um fator ofensivo na osteoartrite (AO), contribuindo para o desenvolvimento e agravamento do dano articular. Os objetivos deste estudo foram avaliar diferenças no recrutamento dos músculos que compõem o quadríceps (vasto medial obliquo - VMO, reto femoral - RF e vasto lateral - VL) durante a atividade concêntrica (subida) e excêntrica (descida), em mulheres portadoras de OA nos joelhos, comparado com um grupo saudável. Foram estudadas 60 mulheres, idade acima de 40 anos, divididas em dois grupos: um grupo com OA (GOA), com 32 voluntárias e o grupo de comparação (GC), composto de 28 pessoas. Não foram observadas diferenças estatisticamente significantes no recrutamento muscular nos dois grupos, com exceção da subida e descida do segundo degrau. Apesar de não encontrar diferenças no recrutamento dos dois grupos, estudos futuros utilizando uma metodologia que permita comparar recrutamento e força muscular, são necessários para comprovar esta relação.
Palavras-chave: eletromiografia, quadríceps, osteoartrite, joelho.
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