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A Study of Ultrasound on Reinnervalion of Rat Denervated muscles Atter Peripheral Nerve Crush

Liao Weijing;Nan Dengkun;Huang Bingjian(Department of Rehabilitation Medicine,The Second Affiliated Hospital of Hubei Medical University,Wuhan 430071)  
In order to investigate whether or not the ultrasound enhances the peripheral nerve regeneration and muscle reinnervation, we made a model for the peroneal nerve injury of Wistar rats with forceps and performed four days ultrasound therapy.Then we measured the contractile tension curve of extensor longus digitorum and observed the structure of the nerve and muscles by means of light microscopy,electromicroscopy and histochemistry.The study showed that the ultrasound therapy may promote the peripheral nerve regeneration and muscle reinnervation.The mechanism is discussed in the article.
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