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【多选题】
以下关于抖法的操作要领正确的是A.
肢体自然伸直，局部肌肉放松。
B.
抖动的幅度要小，频率要快。
C.
上肢抖动幅度应控制在2~3厘米
D.
上肢抖动的频率每分钟250次左右
拍照语音搜题，微信中搜索"皮皮学"使用
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