Nanyang National Textile Co., Ltd.   

Human sitting or standing, watching the man's neck from side seems to be straight, but the cervical is not straight, but there is a protruding section in which the radian. The forward arc bulge, medically known as the physiological curvature of the cervical vertebrae, X-ray films, along the curvature of the running, in each cervical continuous push back a smooth arc curve, called the physiological curve of cervical vertebra. Cervical vertebra disease to the source of domestic and foreign scholars recognized as cervical disc degeneration, lumbar instability, leading to loosening, vertebral osteophyte (or edge of the bone crest bone), various symptoms of vertebral disc herniation, cervical curvature change in nerve root compression, vertebral artery or spinal cord caused by. ...