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婴儿的各种动作都是由神经支配,通过骨骼的肌肉来完成的。爬是一种全身性的活动,可锻炼胸、腹、腰和上下肢的各组肌肉群,使肌肉长得结实丰满,它是促进婴儿体格发育的一种好方法。此外,婴儿练爬时、头、颈昂起,胸、腰部抬高,可锻炼提高腰部和下肢支撑上身的能力,为今后站立打下好基础。
The baby’s various actions are controlled by the nerves, through the bones of the muscles to complete. Climbing is a general activity that can exercise the muscle groups in the chest, abdomen, waist and upper and lower limbs to make the muscles grow full and plump. It is a good way to promote the physical development of the baby. In addition, the baby crawling, the head, neck up, chest, waist elevation, exercise can improve the waist and lower limbs support upper body’s ability to lay a good foundation for the future to stand.