Francisco Amaro

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The aim of this study was to determine the effect of two arm swing techniques, the simultaneous arm swing and the early arm swing, on vertical countermovement jump performance and on the contribution of the arms to vertical movement at the centre of mass (CM) during the propulsion phase. Participants were 28 athletes practicing sports in which the vertical(More)
Two squirrel-cage induction motors rated at 2,984 kW, 6.9 kV, 60 Hz, and 3,556 r/min with a direct start driving a main blower in a blast furnace facility present random trips during starts and also an event of motor burning. These trips interrupt the motor starting by 50 and 46 N function actuations. Considering the risk of motor damage, the consequent(More)
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