在日常生活中，家长应仔细观察幼儿行走步态。若发现异常，应及早上医院，因为幼儿步态异常往往是疾病所致。△鸭行步态：行走时挺腰凸肚，臀部左右摇摆如鸭行状，是进行性肌营养不良的表现，也可见于佝偻病、先天性髋关节脱位。 △剪刀步态：双腿僵硬，两脚向内交叉，膝部靠近 In daily life, parents should carefully observe the walking gait of children. If abnormalities are found, they should go to the hospital in the morning because the abnormal gait of young children is often caused by the disease. △ duck walking gait: Tingding when walking belly, swinging around the hips such as ducks, is the manifestation of progressive muscular dystrophy, also seen in rickets, congenital dislocation of the hip. △ scissors gait: stiff legs, feet inward cross, knee close