ABSTRACT
Objective To explore the specific causes of common peroneal nerve injury, characteristics of such injured nerve's electrophysiological performance and its diagnostic value.Methods The clinical and neurophys-iological examination data of 7 patients with common peroneal nerve injury were retrospectively analyzed.Results The patients of common peroneal nerve injury cause for long time squatting down.Compared with the healthy side, potential amplitude of the deep peroneal nerve or the superficial proneal nerve of the injured side changes more obviously.On the average the amplitude fell by about 50% with the largest drop by 88%.EMC indicated that the muscle controlled by injured nerve has spontaneous potential,reduced recruitment and so on.Conclusion Long time squatting down was relatively rare cause for common peroneal nerve injury.Neural physiological detection could provide more specific positioning diagnosis and differential diagnosis for common peroneal nerve injury,had better clinical application value.