人到中年以后,连接骨与骨的关节囊、韧带、肌腱和筋膜等都会逐渐发生变性,甚至老化,柔韧性和弹性也变得越来越差。婴幼儿把双脚能很容易地放到脖子后面,青年人很少落枕,都说明其柔韧性好。中老年人由于柔韧性较差,很容易引起颈椎间盘突出症、腰椎间盘突出症、肩周炎、腰腿痛、落枕等疾病,给工作生活带来许多不便。 After middle age, the joints, bone ligaments, ligaments, tendons and fascia that connect bone and bone will gradually degenerate, even aging, and the flexibility and elasticity become worse and worse. Infants and young children put their feet can easily be placed behind the neck, young people rarely stiff neck, all shows its good flexibility. The elderly due to poor flexibility, it is likely to cause cervical disc herniation, lumbar disc herniation, frozen shoulder, waist and leg pain, stiff neck and other diseases, to bring a lot of work and life inconvenience.