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相关概念视频

Bones of the Lower Limb: Tibia and Fibula01:10

Bones of the Lower Limb: Tibia and Fibula

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The tibia is the main weight-bearing bone of the lower leg. It is larger than the fibula with which it is paired. The tibia is also the second longest bone in the body and is located right below the skin. The proximal end of the tibia forms the medial and the lateral condyle, which articulates with the condyles of the femur to form the knee joint. Between the articulating surfaces is the irregular elevated area known as the intercondylar eminence that serves as the inferior attachment point for...
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Knee Joint01:23

Knee Joint

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The knee joint is the most complicated joint in the body. It consists of three articulations– two tibiofemoral and one patellofemoral. As is characteristic of synovial joints, the knee joint has a thin articular capsule that partially surrounds this joint cavity. Additionally, several ligaments, muscles, and cartilaginous structures support the movement of the knee.
A total of seven ligaments support the knee joint. The patellar ligament, which is also attached to the quadriceps femoris...
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相关实验视频

Updated: Sep 16, 2025

Engineering Platform and Experimental Protocol for Design and Evaluation of a Neurally-controlled Powered Transfemoral Prosthesis
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组织集成的生物膝盖在截肢后恢复了多功能腿部运动

Tony Shu1,2, Daniel Levine1,2, Seong Ho Yeon1,2

  • 1Program in Media Arts and Sciences, MIT Media Lab, MIT, Cambridge, MA, USA.

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概括

这项研究引入了一种全新的骨一体机神经假体. 这种先进的假肢提供了多样化的运动能力,

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科学领域:

  • 生物医学工程
  • 神经假肢
  • 生物力学

背景情况:

  • 目前的下肢假肢专注于循环运动, 限制运动的多功能性.
  • 恢复人类运动所必需的非循环运动仍然是肢体恢复的挑战.

研究的目的:

  • 呈现一个神经体设计的骨一体机神经假体.
  • 开发一种生物模拟合器,用于先进的假肢控制.
  • 调查假肢运动可能超过完整的肢体能力.

主要方法:

  • 开发了一种带有硬和软组织的骨质整合假肢和植入硬件.
  • 创造了神经肌肉信号与关节运动之间的生物模拟合.
  • 假肢控制与传统方法 (表面电肌图) 的比较.

主要成果:

  • 这种神经体设计实现了超越常规假肢的多功能非循环运动.
  • 生物模拟合在假肢控制中表现出卓越的多功能性.
  • 假肢运动速度超过完整的生理在优异的残留神经肌肉功能.

结论:

  • 具有神经体设计的骨质整合假肢可以恢复多功能非循环运动.
  • 生物模拟神经合提供了增强的假肢控制.
  • 解剖学假肢整合可能是匹配或超过完整的肢体性能的关键.