The MUs number of extensor digitorum brevis (EDB) and thenar was estimated in 85 healthy volunteers and 56 patients with various neurogenic disorders by EMG in strument.

• 方法：应用viking IV型肌电图仪中的“统计学方法”对85例健康人和56例神经源性病变患者的趾短伸肌和鱼际肌进行测定。