2～3岁这一阶段正是人类生理协调性发展的敏感期,婴儿在该时期继续熟练跑步技能,并开始出现越来越多的全身性动作。本文依次介绍了婴儿后期大、小肌肉群的锻炼方法及注意事项。 This period of 2 to 3 years is a sensitive period for the coordinated development of human physiology. Infants continued to skillfully run during this period and began to experience more and more generalized movements. This article in turn introduced the baby late large and small muscle groups exercise methods and precautions.