机构地区:[1]中国中医科学院望京医院,北京市100102 [2]中医正骨技术北京市重点实验室,北京市100102 [3]南方医科大学,广东省广州市510515
出 处:《中国组织工程研究》2023年第18期2820-2823,共4页Chinese Journal of Tissue Engineering Research
基 金:国家自然科学基金(81302992),项目负责人:冯敏山;国家中医药管理局中医药创新团队及人才支持计划项目(ZYYCXTD-C-202003),项目负责人:朱立国。
摘 要:背景:明确手法操作时椎体位移有助于揭示其内在生物力学机制,目前尚无研究分析旋提手法时椎体位移情况。目的:观察旋提手法操作中下颈椎椎体位移情况以及不同扳动力对椎体位移的影响。方法:选取7具健康成年男性尸体颈椎标本,应用MTS材料机及夹具在标本上模拟预牵引与不同扳动力(50,150,250 N)的旋提手法操作,并应用运动捕捉系统对C_(4)-C_(7)椎体不同位置(右横突、椎体中点、左横突)进行运动学测量,明确预牵引及不同扳动力下的椎体位移。结果与结论:①预牵引时:椎体中点与右横突纵向位移量由C_(4)至C_(7)逐渐减少(P<0.05),C_(4)右横突纵向位移量显著大于左横突(P<0.05);②扳动时:右横突与椎体中点纵向位移量由C_(4)到C_(7)逐渐减小(P<0.05),150,250 N扳动力下的C_(4)右横突纵向位移量均显著大于左横突(P<0.05);③不同扳动力比较:50 N扳动力组的椎体各节段和位置的纵向位移量均显著小于150,250 N扳动力组(P<0.05),150 N扳动力组与250 N扳动力组间椎体各节段和位置的纵向位移量比较差异均无显著性意义(P>0.05);④结果表明:旋提手法具有调整下颈椎椎体位移的作用,其中旋转侧C_(4)横突位移量最大,且位移量与板动力大小相关。BACKGROUND:It is helpful to evaluate vertebral displacement for revealing the manipulative biomechanical mechanisms.However,there is,at present,no study to analyze the vertebral displacement of Rotation-Traction Manipulation.OBJECTIVE:To observe the displacement of the lower cervical vertebrae during Rotation-Traction Manipulation and the effect of different thrust forces on the vertebral displacement.METHODS:Seven healthy adult male cervical spine specimens were selected and the pre-traction and different thrust forces(50,150,250 N)were simulated on the specimens by using the MTS machine and fixture.The kinematic measurements of different positions of C_(4)-C_(7)vertebrae(right transverse process,vertebral body midpoint,left transverse process)were performed by using the motion capture system to determine vertebral body displacement under pre-traction and different thrust forces.RESULTS AND CONCLUSION:(1)During pre-traction,the longitudinal displacement of the right transverse process and midpoint of the vertebral gradually decreased from C_(4)to C_(7)(P<0.05),and the longitudinal displacement of the right transverse process of C_(4)was significantly greater than that of the left transverse process(P<0.05).(2)During thrust,the longitudinal displacement of the right transverse process and midpoint of the vertebral gradually decreased from C_(4)to C_(7)(P<0.05),and the longitudinal displacement of the right transverse process of C_(4)was significantly greater than that of the left transverse process for 150 N and 250 N thrust forces(P<0.05).(3)Comparison of different thrust forces:The longitudinal displacement of each segment and position of the vertebral body in the 50 N group was significantly smaller than that in the 150 N and 250 N groups(P<0.05).The differences in longitudinal displacement of each segment and position of the vertebral body between the 150 N and 250 N groups were not statistically significant(P>0.05).(4)The results show that the Rotation-Traction Manipulation can adjust the lower cervical vert
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...