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相关概念视频

Muscle Coordination and Action01:24

Muscle Coordination and Action

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Muscle coordination is a complex and finely tuned process essential for smooth and purposeful movements like flexion, extension, adduction, abduction, and rotation. The human body orchestrates the actions of various muscles working in concert, each with a specific role. Four functional types describe how muscles work together: agonist, antagonist, synergist, and fixator.
Agonists
Agonist muscles, often called prime movers, are the primary muscles responsible for producing a specific movement....
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Muscles of the Forearm that Move the Hand and Fingers01:16

Muscles of the Forearm that Move the Hand and Fingers

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The muscles of the forearm that move the wrist, hand, and digits are numerous and diverse. They can be classified into two groups based on their location and function — the anterior and posterior compartment muscles.
Anterior Compartment
The anterior compartment muscles originate from the humerus. They primarily function as flexors and are also known as flexor muscles. They typically insert on the carpals, metacarpals, and phalanges. The superficial layer includes the flexor carpi...
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相关实验视频

Updated: May 5, 2026

Frame-by-Frame Video Analysis of Idiosyncratic Reach-to-Grasp Movements in Humans
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Frame-by-Frame Video Analysis of Idiosyncratic Reach-to-Grasp Movements in Humans

Published on: January 15, 2018

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动力手协同作用在触及和抓取和功能对象操纵之间有所不同.

A Michael West1, Neville Hogan2,3

  • 1Department of Mechanical Engineering, Johns Hopkins University, Baltimore, Maryland, United States.

Journal of neurophysiology
|December 31, 2024
PubMed
概括

人类手的操纵需要比简单的抓取更复杂的运动模式或协同作用. 了解这些独特的协同作用对于开发更好的假肢和康复器械来恢复手部功能至关重要.

关键词:
操纵 操纵 操纵 操纵发动机控制器的控制器身体互动 身体互动协同效应是一种协同效应.使用工具使用工具.

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Design and Use of an Apparatus for Presenting Graspable Objects in 3D Workspace
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Design and Use of an Apparatus for Presenting Graspable Objects in 3D Workspace

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Estimation of Contact Regions Between Hands and Objects During Human Multi-Digit Grasping
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Estimation of Contact Regions Between Hands and Objects During Human Multi-Digit Grasping

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相关实验视频

Last Updated: May 5, 2026

Frame-by-Frame Video Analysis of Idiosyncratic Reach-to-Grasp Movements in Humans
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Frame-by-Frame Video Analysis of Idiosyncratic Reach-to-Grasp Movements in Humans

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Design and Use of an Apparatus for Presenting Graspable Objects in 3D Workspace
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Design and Use of an Apparatus for Presenting Graspable Objects in 3D Workspace

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Estimation of Contact Regions Between Hands and Objects During Human Multi-Digit Grasping
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科学领域:

  • 神经科学是一个神经科学.
  • 生物力学 生物力学
  • 康复工程 康复工程 康复工程

背景情况:

  • 人类手的灵巧使工具使用成为可能,但诸如中风或截肢等情况会导致显著的功能损失.
  • 之前关于手功能的研究主要集中在达到和掌握协同效应上,使复杂的对象操纵研究不足.
  • 通过假肢和康复恢复手部功能,需要对操纵动力学有更深入的了解.

研究的目的:

  • 调查复杂物体操纵中涉及的动力协同作用的数量和身份.
  • 为了测试操纵使用相同数量的协同效应的假设,但与reach-and-grasp相比,协同效应的身份不同.
  • 为了建立一个基准来理解手在功能任务中的协同作用,而不仅仅是简单的掌握.

主要方法:

  • 在两个实验中测量了人类手动力学:伸手抓住和对象操纵用于电缆带安装.
  • 通过使用已建立的生物力学分析技术,分析了这两项任务的基础动力学协同作用.
  • 比较了伸手抓手和操纵阶段之间的协同作用的数量和特征.

主要成果:

  • 对象操纵通常需要更多的动力协同作用,而不是简单的触及和抓取动作.
  • 在触及和抓取和操纵之间观察到协同效应相似性的减少,特别是在更高阶的协同效应中.
  • 动力协同作用的特征在操纵和伸手抓取任务之间有所不同,特别是随着协同作用的顺序增加.

结论:

  • 功能性手动操纵涉及到一套不同的,比基本抓取更复杂的动力协同作用.
  • 高级协同作用在复杂的操纵任务中起着重要作用,需要进一步研究.
  • 这项研究强调了研究操纵的必要性,而不仅仅是抓住,以推进手部功能恢复的假肢和康复技术.