EFICÁCIA DE 24 SEMANAS DE CAMINHADA COM RESTRIÇÃO DO FLUXO SANGUÍNEO NA ATIVAÇÃO E FORÇA MUSCULAR EM IDOSAS COM SOBREPESO E OSTEOPOROSE
UM ENSAIO CLÍNICO RANDOMIZADO
DOI:
https://doi.org/10.15628/holos.2023.15928Palavras-chave:
Envelhecimento, Exercício aeróbico, Oclusão vascular, EletromiografiaResumo
O presente estudo objetivou analisar o efeito de 24 semanas de TA com RFS na ativação e força muscular de idosas com excesso de peso e osteopenia/osteoporose. Trinta mulheres idosas [66 (5) anos] foram aleatoriamente designadas para uma das três intervenções: CAM (caminhada de intensidade moderada), CAM+RFS (caminhada de baixa intensidade com RFS) ou RFS (RFS sozinho). A ativação muscular (EMGS) e a força dos flexores e extensores do joelho foram mensuradas, respectivamente, por eletromiografia de superfície e dinamometria, pré-intervenção e após 12 e 24 semanas. O EMGs dos extensores do joelho e a força dos flexores do joelho aumentaram de forma semelhante em todas as intervenções em 24 semanas (p<0,05). Um tamanho de efeito moderado (ES, Cohen’s d) foi observado na EMGs dos extensores do joelho (ES= 0,65) para o CAM+RFS em comparação com o CAM. Os ESs para a força dos flexores do joelho foram −0,86 e −0,69, respectivamente para RFS e CAM+RFS em comparação com CAM. Portanto, as intervenções baseadas no método de RFS apresentaram ganhos de força semelhantes, no entanto, mulheres idosas podem alcançar ganhos neuromusculares de longo prazo ao longo de 24 semanas.
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