与枕头直接接触的是人体的颈椎部位,而颈稚与人体的肩背和腰部肌肉、韧带、椎间盘等都密切相关,由此可见合适的枕头对于人体健康的影响。颈椎有一个前凸的弧度,称为生理性前凸,人们在任何情况下,都以能保持这种自然生理弧度为最舒服。人在睡眠时也应保持颈椎正常的生理性前凸,才符合颈椎的生理要求。枕头的作用是睡觉时垫在头颈部下面,使颈椎在人睡觉时也能够维持正常的生理弧度,并使颈部皮肤、肌肉、韧带、椎间盘、椎间关节以及穿过颈部的气管、食道、神经等组织器官在睡觉时与整 And the pillow is in direct contact with the human body parts of the cervical spine, and the childish and human body shoulder and back muscles, ligaments, intervertebral disc are closely related, we can see the appropriate pillow for human health effects. The cervical spine has a convex arc, known as physiological lordosis, people in any case, are able to maintain this natural physiological radian for the most comfortable. People should also maintain normal physiological lumbar spondylolisthesis during sleep, which is consistent with the physiological requirements of the cervical spine. The function of the pillow is to pad under the head and neck when sleeping, so that the cervical vertebra can also maintain the normal physiological curvature while sleeping, and make the neck skin, muscles, ligaments, intervertebral discs, intervertebral joints and the trachea, Esophagus, nerves and other tissues and organs during sleep and whole