In diagnosis of neurogenic MUP,the area, size index,amplitude, and duration appeared to be the most important parameters and the slight muscle contraction in the motor unit recruitment delivered a better diagnostic yield.

• 模式匹配肌电图MUP面积、SI、波幅、时限为重要临床诊断参数 ,四肢大肌群轻度用力收缩所募集的MUP各项参数诊断作用更为敏感。