进行性肌营养不良是一种以骨骼肌进行性无力、萎缩为主要临床表现的疾病。本病多由肌肉本身病变、肌肉细胞坏死所致。目前其发病原因及机理均不十分明确,但研究证实与遗传有关。临床上根据遗传特征、发病年龄、病肌分布及进展速度等,分为6个类型。 Progressive muscular dystrophy is a disease characterized by progressive weakness and atrophy of skeletal muscle as the main clinical manifestation. The disease is caused by the muscle itself, muscle cell necrosis. At present its causes and mechanisms are not very clear, but the study confirmed that genetic. Clinically based on genetic characteristics, age of onset, the distribution and progress of sick muscle speed, divided into six types.