Resumo

Objetivo
Melhorar o controle do equilíbrio em idosos é um dos principais objetivos dos programas de prevenção de quedas, e o tênis pode representar uma forma promissora de treinar o controle do equilíbrio.Objetivo Verificar se tenistas mais velhos apresentam características de resposta reativa às perturbações do equilíbrio semelhantes às de jovens saudáveis. pessoas.
Métodos
Quinze jovens (23,00 ± 1,96anos) e doze idosos (69,08 ± 3,82anos) permaneceram em posição ortostática, com os braços ao lado do corpo, sobre uma plataforma de força durante dez perturbações mediolaterais. O sinal eletromiográfico de superfície dos músculos glúteo máximo, tibial anterior, gastrocnêmio lateral e vasto lateral foi adquirido no lado dominante.Resultados Os parâmetros de velocidade e amplitude do deslocamento do centro de pressão foram semelhantes entre os grupos, assim como o amplitude do sinal eletromiográfico dos músculos tibial anterior, vasto lateral e gastrocnêmio lateral. Houve diferença estatística entre os grupos no músculo glúteo máximo na primeira perturbação.
Conclusões
Tenistas mais velhos apresentam desempenho de velocidade do centro de pressão e amplitude de comportamento de deslocamento do centro de pressão semelhantes aos jovens. Tenistas mais velhos apresentam maior amplitude de ativação muscular, gerando respostas posturais automáticas adaptadas para lidar com situações de perturbações do equilíbrio. 
 

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