摘要
目的探讨跟骰关节融合对距舟关节三维运动度的影响及其临床意义。方法10只新鲜尸体足标本,通过建立非负重位尸体足模型,结合力偶矩、弯矩及平衡加载方法,应用三维坐标仪测量分析跟骰关节融合前、后距舟关节在大体足背屈、跖屈、内收、外展、内翻及外翻运动中的三维运动度变化。结果跟骰关节融合后,距舟关节三维运动度较融合前明显减小(P<0.01);其运动范围在矢状面减少31.21%±6.08%,冠状面减少51.46%±7.91%,水平面减少36.98%±4.12%,平均减少41.25%±6.02%。结论跟骰关节融合对距舟关节三维运动度有较大的限制作用,临床应用时不可忽视此负面效应。
Objective To discuss the effect of the calcaneocuboid arthrodesis on three-dimensional kinematics of talonavicular joint and its clinical significance. Methods Ten fresh-frozen foot specimens, three-dimensional kinematics of talonavicular joint were determined in the case of neutral position, dorsiflexion, plantoflexion, adduction, abduction, inversion and eversion motion by means of three-dimensional coordinate instrument （Immersion MicroScribe G2X） before and after calcaneocuboid arthrodesis under non-weight with moment of couple, bending moment, equilibrium dynamic loading. Calcaneocuboid arthrodesis was performed on these feet in neutral position and the lateral column of normal length. Results A significant decrease in the three-dimensional kinematics of talonavicular joint was observed（P〈0.01）in cadaver model following calcaneocuboid arthrodesis. Talonavicular joint motion was diminished by 31.21%±6.08% in sagittal plane; by 51.46%±7.91% in coronal plane; by 36.98%±4.12% in transverse plane; and averagely by 41.25%±6.02%. Conclusion Calcaneocuboid arthrodesis could limite motion of the talonavicular joints, and the disadvantage of calcaneocuboid arthrodesis shouldn＇t be neglected.
出处
《中国修复重建外科杂志》
CAS
CSCD
北大核心
2007年第3期255-258,共4页
Chinese Journal of Reparative and Reconstructive Surgery
基金
上海市科学技术委员会科研计划项目(034119933)
关键词
跗骨关节
关节融合术
三维运动
生物力学
Tarsal joint Arthrodesis Three-dimensional kinematics Biomechanics
