Research of the motion compensation after double segmental cervical spine fusion surgery
ZHOU Wen-Yu, ZHANG Rui, GU Hong-Sheng, LIU Wei-Jiang, WANG Da-Beng
Chinese Journal of Clinical Anatomy ›› 2014, Vol. 32 ›› Issue (1) : 80-83.
Research of the motion compensation after double segmental cervical spine fusion surgery
Objective To investigate the mechanics of adjacent degeneration segments and the motion compensation regulation after double segmental cervical spine fusion surgery. Method With the help of 3D motion information collecting system, the movement angle of each segment was recorded before and after double segmental cervical spine fusion surgery under the condition of flexion, extensional left bending, right bending, left rotation, right rotation. Result All statistics are dealt with normalization, we got the statistics of the motion compensation regulation of each segments after double segmental cervical spine fusion surgery, range of motion of each segment increased diversely under each condition，especially the lower adjacent segment（P<0.05）. It fused better than other conditions under the condition of flexion, extension, left and right bending. The motion compensation ratio of the lower adjacent segment was greater than others (the average≥30%) under each condition. Conclusions Compensatory enhancement of the range of motion of adjacent segments is one of the important reasons lead to the degeneration
Cervical spine / Fusion surgery / Adjacent segment degeneration / / Motion compensation
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