New progress in diagnosis and treatment of dystonia in Parkinsons disease GAO Han，ZHANG Liming The First Affiliated Hospital of Harbin University，Harbin 150001，China Corresponding author：ZHANG Liming 【Abstract】 Dystonia is a syndrome characterized by involuntary continuous muscle contraction, leading to torsional movements and abnormal postures.Dystonia may exist in many neurodegenerative, hereditary, toxic and metabolic diseases, among which Parkinson's disease and atypical Parkinson's disease are the most common. Par-kinson's disease is a common neurodegenerative disease in the middle-aged and elderly, and its pathogenesis, diagnosis and treatment are still being further studied. This paper summarizes the new research progress on rigidity in Parkinson's disease in recent years. [Key words] Parkinson's disease; Dystonia; Pathogenesis ; Diagnosis and treatment; New progress in research
