2. Crawling will also disperse the support pressure of the whole human body, instead of focusing on the lower limbs or lumbar vertebrae and cervical vertebrae, which will also help to relieve the pressure on the waist and neck and prevent diseases of the lumbar vertebrae and cervical vertebrae; Crawling is a whole-body exercise, which can make the limbs more coordinated, drive the muscles of the whole body, and achieve the purpose of fitness and health preservation.