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钢琴教学：音阶这样去练，没有什么曲子是你拿不下来的。五指触键位置众所周知，人的十个手指是参差不齐的，所以弹奏时首先要有一个正确而放松的手型，根据人的双手1、5指短，2、3、4、指长的特点，五指正确的触键位置应该呈扇型；但有些人弹音阶时五个手指往往摆成一条直线，这样势必会带来很多毛病：1、由于2、3、4指过分弯曲，造成指甲碰键。2、由于2、3、4指触键位置太靠边，拇指做穿指运动时不得不绕道而行。拇指运行路线长，影响音阶的速度。3、当弹奏黑键较多的音阶时，手指伸直触键造成手型不固定，对力度的控制能力差，第一关节站立不稳等现象，导致触键深浅不均，音色不统一等问题。解决这类问题的有效方法就是保持正确的手型和触键位置，并注意弹白键时2、3、4指触键位置略靠里，弹黑键时触键位置稍靠外。
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