在多平面生理运动期间的活力 in vivo 3D 亚特兰大occipital 动力学
Christopher J Como1, Clarissa M LeVasseur2, Anthony Oyekan1
1University of Pittsburgh, Department of Orthopaedic Surgery, Pittsburgh, PA, United States; Pittsburgh Orthopaedic Spine Research Group (POSR), Pittsburgh, PA, United States; Orland Bethel Family Musculoskeletal Research Center (BMRC), Pittsburgh, PA, United States.
Journal of biomechanics
|July 31, 2024
概括
这项研究量化了在生理运动期间的上椎脊柱 (斜-C1) 运动. 结果显示出明显的内平面和外平面运动,对于理解正常的atlantooccipital关节生物力学至关重要.
科学领域:
- 生物力学 生物力学
- 脊柱运动学 脊柱运动学
- 整形外科 整形外科 整形外科
背景情况:
- 上脊柱的正常生物力学,特别是大西洋关节的正常生物力学,尚不清楚.
- 准确地描述大西洋两关节运动对于诊断和治疗椎脊椎疾病至关重要.
研究的目的:
- 在体内生理运动中确定大西洋关节 (关节-C1) 的三维脊椎间动力学.
- 量化头-C1关节的运动范围 (ROM) 和螺旋运动轴 (HAM).
主要方法:
- 20名健康的年轻人接受了动态运动 (屈曲/延伸,轴旋转,横向曲),同时捕获双平面放射图.
- 一个经过验证的基于体积模型的跟踪过程,使用基于CT的骨模型,从X射线图中分析了头-C1运动.
- 计算每个运动的总ROM和HAM,以描述关节动力学.
主要成果:
- 曲/延伸主要涉及平面内运动 (ROM:17.9°±6.9°),具有显著的动力波形变化.
- 轴旋转显示在平面内运动很小 (ROM:4.2°±2.5°),但在平面外曲/延伸很大 (ROM:12.7°±5.4°).
- 侧向曲涉及内平面 (ROM:9.0°±3.1°) 和曲/延伸平面 (ROM:7.3°±2.7°) 运动. 旋转的平均轴位于尾的上方.
结论:
- 在生理运动过程中,尾骨-C1运动的新型表征为上椎研究提供了基础数据.
- 了解这些正常运动模式对于在临床条件下识别异常生物力学至关重要.
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