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首页> 外文会议>Engineering in Medicine and Biology Society, 1998. Proceedings of the 20th Annual International Conference of the IEEE >MRI investigation of musculoskeletal action of transfemoral residual limb inside a prosthetic socket
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MRI investigation of musculoskeletal action of transfemoral residual limb inside a prosthetic socket

机译：股骨假肢内经股残肢的肌肉骨骼作用的MRI研究

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摘要

Amputation of an extremity is followed by changes in musculoskeletal structures of the leg. The understanding of the manner of how the remaining muscles control the prosthesis will increase our knowledge on the biomechanics of the stump/socket system and help in the design of a good prosthetic fitting. To learn about the changes appearing in the geometry of stump, muscles and bone after above-knee (AK) amputation and their changes during stump actions, transverse magnetic resonance images (MRI) have been obtained for both amputated and contralateral legs of three AK unilateral amputees. The 2D images showed that the shape of the limb changed and the muscles atrophied after amputation. During stump actions, the positions and geometry of the stump, bone and muscles also changed.
机译：截肢后，腿的肌肉骨骼结构发生变化。对剩余肌肉如何控制假体的方式的理解将增加我们对残端/承窝系统生物力学的了解，并有助于设计好的假体。为了了解膝上（AK）截肢后残肢，肌肉和骨骼的几何形状变化以及它们在残肢动作过程中的变化，已获取了三个AK单侧截肢和对侧腿的横向磁共振图像（MRI）被截肢者。二维图像显示截肢后肢体的形状发生了改变，肌肉萎缩了。在树桩动作期间，树桩，骨骼和肌肉的位置和几何形状也发生了变化。

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