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F 波有助于诊断下运动神经元的某些疾病和病损,尤其是腋窝——腕的这段运动神经传导速度(MNCV)正常时。许多学者采用不同方法来测量正中、尺神经近体段 F 波的传导速度,也有的人采用比较患侧和健侧或正常对照组手部的 F 波最短潜伏时(F_(sh))的方法,来探讨其神经纤维的病理改变。但 F波潜伏时较 F 波传导速度准确可靠。常规检查证实同一混合神经远段 MCV 与 F_(sh)有关,
F wave helps to diagnose some diseases and lesions of lower motor neurons, especially when the motor nerve conduction velocity (MNCV) of axilla-wrist is normal. Many scholars use different methods to measure the conduction velocity of the F wave in the proximal segment of the median and ulnar nerve. Some people also adopt the method of comparing the shortest F wave (F_ (sh)) of the F wave in the ipsilateral and contralateral or normal controls , To explore the pathological changes of nerve fibers. However, F-wave latency than the F-wave conduction speed is accurate and reliable. Routine examination confirmed that the same mixed nerve distal segment MCV and F_ (sh) related,