...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Journal of Biomechanics >Three-dimensional in vivo motion of adult hind foot bones.
【24h】

Three-dimensional in vivo motion of adult hind foot bones.

机译：成人后足骨骼的三维体内运动。

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Knowledge of hind foot bone motion is important for understanding gait as well as various foot pathologies, but the three-dimensional (3D) motion of these bones remains incompletely understood. The purpose of this study was to quantify the motion of the talus, calcaneus, navicular, and cuboid in normal adult feet during open chain quasi-static uniplanar plantar flexion motion. Magnetic resonance images of the right feet of six normal young adult males were taken from which 3D virtual models were made of each hind foot bone. The 3D motion of these models was analyzed. Each hind foot bone rotated in the same plane about half as much as the foot (mean 0.54 degrees of bone rotation per degree of foot motion, range 0.40-0.73 degrees per degree of foot motion as measured relative to the fixed tibia). Talar motion was primarily uniaxial, but the calcaneus, navicular, and cuboid bones exhibited biplanar (sometimes triplanar) translation in addition to biaxial rotation. Net translational motions of these bones averaged 0.39 mm of bone translation per degree of foot motion (range 0.06-0.62 mm per degree of foot motion). These data reflect the functional anatomy of the foot, extend the findings of prior studies, provide a standard for comparison to patients with congenital or acquired foot deformities, and establish an objective reference for quantitatively assessing the efficacy of various hind foot therapies.
机译：后脚骨骼运动的知识对于理解步态以及各种脚部病理非常重要，但是这些骨骼的三维（3D）运动仍未完全理解。这项研究的目的是量化正常成人脚在开链准静态单平面足底屈曲运动中距骨，跟骨，水道和长方体的运动。拍摄了六个正常的年轻成年男性的右脚的磁共振图像，从中为每个后脚骨制作了3D虚拟模型。分析了这些模型的3D运动。每个后脚骨骼在同一平面中旋转的距离大约是脚的一半（相对于固定胫骨测量，平均每度脚运动0.54度骨骼旋转，每度脚运动0.40-0.73度范围）。滑石运动主要是单轴的，但跟骨，舟骨和长方体的骨除了双轴旋转外，还表现出双平面（有时是三平面）平移。这些骨骼的净平移运动平均每英尺运动度的骨骼平移为0.39毫米（范围为每英尺运动0.06-0.62毫米）。这些数据反映了脚的功能解剖结构，扩展了先前研究的结果，为先天性或后天性脚畸形患者的比较提供了标准，并为定量评估各种后足疗法的疗效提供了客观参考。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号