Mute
Dr. Breno Gomes
Na queda de braço, a fratura do úmero acontece por torção, não por batida. O cotovelo permanece fixo na mesa enquanto o tronco gira e os músculos do braço entram em contração máxima. Essa combinação gera um estresse torcional muito alto sobre o osso e pode provocar fratura diafisária, geralmente em espiral, mesmo sem queda ou impacto direto. Esse mecanismo envolve: • braço estabilizado e sem possibilidade de escapar • contração muscular intensa • rotação rápida do corpo • carga acima
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