通过在肌肉中准准肌肉的感觉运动整合,用机器人辅助手腕/手部康复中电肌图驱动的电振反来进行中风后的感觉运动整合
Legeng Lin1,2, Yanhuan Huang1,2, Wanyi Qing1,2
1Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong SAR 999077, China.
Cyborg and bionic systems (Washington, D.C.)
|January 29, 2026
概括
这项研究引入了一种带有电动振动反 (EVF-robot) 的电动肌图 (EMG) 驱动软机器人,以改善中风后的手腕/手掌控. 这种新的系统增强了感官运动集成,导致了显著的运动恢复和持久的功能改善.
科学领域:
- 神经科学是一个神经科学.
- 康复工程 康复工程
- 生物医学工程 生物医学工程
背景情况:
- 在中风后恢复精确的手腕/手 (W/H) 运动控制需要通过传感运动集成来解决补偿性神经可塑性.
- 当前的康复机器人往往无法充分调节对目标肌肉反至关重要的上升体感路径.
研究的目的:
- 开发和评估一个带有电动振动反 (EVF-robot) 的电动肌图学 (EMG) 驱动软机器人,用于在中风后的W / H肌肉中针对性体感启动.
- 评估该系统提高慢性中风幸存者的感觉运动集成,运动控制和神经可塑性的能力.
主要方法:
- 开发一个集聚焦振动刺激,神经肌肉电刺激和EMG驱动的W/H肌肉控制的EVF机器人.
- 一个单臂试验涉及15名慢性中风参与者,他们接受了20次机器人辅助康复.
- 评估W / H行为控制,体感反,肌肉间协调和皮质肌肉连贯性在训练前后.
主要成果:
- 参与者在自愿的W / H控制,体感反和肌肉间协调 (P <0.05) 中显著改善.
- 皮质活动分析显示,延伸器的皮质肌肉连贯性发生了相反的转变,而屈曲器的连贯性增加了 (P < 0.05).
- 观察到的改善在3个月的随访中得到持续.
结论:
- 在EMG驱动的EVF机器人显示初步证据有效调节慢性中风中的补偿性神经可塑性.
- 这项技术通过增强传感运动集成,促进了远端关节的改进协调运动控制.
- EVF机器人提供了一个有前途的方法,用于针对性神经康复的个人慢性中风影响W / H功能.
相关概念视频
Muscles of the Forearm that Move the Hand and Fingers
2.5K
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...
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...
2.5K
Feedback Inhibition
57.1K
Biochemical reactions are occurring constantly in cells, converting starting substances to different products, usually with the help of enzymes that speed the reactions. Without enzymes, it would take far too long for most reactions to occur to be useful to the cell!
57.1K
Electro-mechanical Systems
1.7K
Electromechanical systems are intricate configurations that effectively combine electrical and mechanical elements to achieve a desired outcome. Central to many of these systems is the DC motor, a device that converts electrical energy into mechanical motion, enabling various applications ranging from simple fans to complex robotic mechanisms.
A key component of the DC motor is the armature, a rotating circuit positioned within a magnetic field. As an electric current passes through the...
A key component of the DC motor is the armature, a rotating circuit positioned within a magnetic field. As an electric current passes through the...
1.7K
Feedback Loops
64.3K
In most cases, excessive hormone production is prevented by negative feedback—a loop that starts with a stimulus inducing the release of a particular substance, like a hormone, to maintain a certain level before triggering a signal that results in a decrease in further release of the hormone.
64.3K
Effects of feedback
1.0K
Feedback in control systems plays a critical role in shaping various operational parameters, extending beyond simple error reduction to influence stability, bandwidth, gain, impedance, and sensitivity. Understanding these effects requires examining a basic feedback system characterized by defined input, output, error, and feedback signals.
Feedback significantly modifies the gain of a control system. The gain of a system without feedback is altered by a factor of one plus GH, where G represents...
Feedback significantly modifies the gain of a control system. The gain of a system without feedback is altered by a factor of one plus GH, where G represents...
1.0K
Feedback control systems
718
Feedback control systems are categorized in various ways based on their design, analysis, and signal types.
Linear feedback systems are theoretical models that simplify analysis and design. These systems operate under the principle that their output is directly proportional to their input within certain ranges. For instance, an amplifier in a control system behaves linearly as long as the input signal remains within a specific range. However, most physical systems exhibit inherent nonlinearity...
Linear feedback systems are theoretical models that simplify analysis and design. These systems operate under the principle that their output is directly proportional to their input within certain ranges. For instance, an amplifier in a control system behaves linearly as long as the input signal remains within a specific range. However, most physical systems exhibit inherent nonlinearity...
718


