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The effects of hard squatting exercise with (VbX+) and without (VbX−) vibration on neuromuscular function were tested in 19 healthy young volunteers. Before and after the exercise, three different tests were performed: maximum serial jumping for 30 s, electromyography during isometric knee extension at 70% of the maximum voluntary torque, and the quantitative analysis of the patellar tendon reflex. Between VbX+ and VbX− values, there was no difference found under baseline conditions. Time to exhaustion was significantly shorter in VbX+ than in VbX− (349 ± 338 s versus 515 ± 338 s), but blood lactate (5·49 ± 2·73 mmol  l⁻¹ versus 5·00 ± 2·26 mmol  l⁻¹) and subjectively perceived exertion (rate of perceived exertion values 18·1 ± 1·2 versus 18·6 ± 1·6) at the termination of exercise indicate comparable levels of fatigue. After the exercise, comparable effects were observed on jump height …