Keywords cervical artificial disc replacement;artificial disc;cervical disc herniation;multi-level cervical spondylotic myelopathy;cervicial curvature;adjacent segment;moving range;

• 颈椎间盘置换术;人工椎间盘;颈椎间盘突出症;多节段脊髓型颈椎病;颈椎曲度;邻近间隙;活动度;