Conclusion: This study demonstrates that the degraded excitability of dynamoneure may be one of the important internal mechanisms for electric acupuncture cure hemiparalysis of spasmodic limbs after cerebral infarction. 结论:降低脑梗死后脊髓运动神经元兴奋性可能是电针治疗脑卒中后偏瘫肢体痉挛的内在机制之一。