| 摘要 |
PURPOSE: An adjustable headrest for a cervical vertebra support is provided to release the stress accumulated in a disc and muscle between cervical vertebra by stretching the cervical vertebra. CONSTITUTION: An adjustable headrest for a cervical vertebra support comprises a cervical vertebra support(110) which is formed convex to surround and support neck, a head support(120) which is formed concave rearward on one side of the cervical vertebra support to surround and support the underside of back head, a back shoulder support(130) which is formed inclined on the opposite side to the head support to support part of shoulder and back, and a connection frame(150) with one side inserted from the back shoulder support or cervical vertebra support to the head support and with bottom coupled to the top of a seat back(200). |
