In vivo intervertebral kinematics and disc deformations of the human cervical spine during walking.
In vivo intervertebral kinematics and disc deformations of the human cervical spine during walking.
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DOI：
10.1016/j.medengphy.2020.11.010
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发表时间：
2021-01
影响因子：
2.2
通讯作者：
Cha T
中科院分区：
文献类型：
--
作者：
Zhou C;Li G;Wang C;Wang H;Yu Y;Tsai TY;Cha T
颈椎在各种功能性颈部运动中的运动学已被广泛报道。然而，尚无关于行走时颈椎椎间运动的数据报道，而行走是日常功能活动中最常见的活动。在这项研究中，我们使用双透视成像系统（DFIS）评估了无症状受试者在一个步态周期中的颈椎运动学和椎间盘变形。我们的测量显示，颈椎的垂直平移（1.6±0.1 Hz）发生在步态周期频率（0.8±0.1 Hz）的两倍。行走时，整个（C2-T1）颈椎的整体活动范围（ROMs）为屈伸旋转5.0±3.1º，侧屈旋转3.4±1.0º，轴向扭转旋转5.8±2.1º。各椎间盘（在椎间盘中心位置测量）轴向动态变形范围为16.2±5.7% ~ 23.7±8.7%，与剪切变形范围相似（p > 0.05， C7-T1椎间盘除外）。这些资料可为改进宫颈病变的诊断和治疗方法提供参考。
The kinematics of the cervical spine during various functional neck motions has been widely reported. However, no data has been reported on the cervical intervertebral kinematics during walking, the most frequently performed daily functional activity. In this study, we evaluated cervical kinematics and disc deformation of asymptomatic subjects during a gait cycle using a dual fluoroscopic imaging system (DFIS). Our measurement showed that the vertical translation of the cervical spine (1.6 ± 0.1 Hz) occurred at twice the frequency of the gait cycle (0.8 ± 0.1 Hz). The overall ranges of motion (ROMs) of the entire (C2-T1) cervical spine were 5.0±3.1º in flexion-extension rotation, 3.4±1.0º in lateral-bending rotation, and 5.8±2.1º in the axial-twisting rotation during walking. Each intervertebral disc (measured at the disc center location) dynamically deformed in its axial direction in a range of 16.2±5.7% ~ 23.7±8.7%, which was similar to the ranges of shear deformations (p > 0.05, except for the C7-T1 disc). These data could be useful for improvements of diagnosis and treatment methods of cervical pathologies.
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影响因子：
3
作者：
Anderst W;Baillargeon E;Donaldson W;Lee J;Kang J
通讯作者：
Kang J
影响因子：
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