EMG
EMG的相关文献在1994年到2022年内共计158篇,主要集中在神经病学与精神病学、肿瘤学、内科学
等领域,其中期刊论文116篇、专利文献42篇;相关期刊92种,包括中国生物医学工程学报、中国康复、中国康复医学杂志等;
EMG的相关文献由402位作者贡献,包括崔毅、李远清、瞿军等。
EMG
-研究学者
- 崔毅
- 李远清
- 瞿军
- 肖景
- 张伟伟
- 赵猛
- 陈骞
- 龙胜春
- B·M·金
- B·福鲁坦普尔
- C.莱施纳
- F.萨特勒
- J·S·岩前
- M.埃格
- N·鲍威尔
- P.
- Priya Stanley
- P·T·曼斯菲尔德
- Stanley John Winser
- S·巴拉苏布拉马尼亚姆
- V·R·卡瓦略
- W.S.舍普费尔
- 伍楷舜
- 冯天平
- 刘伟彦
- 刘力勇
- 刘勺华
- 刘宏
- 刘庆伏
- 刘民英
- 刘洪广
- 刘涛
- 卡琳·布卢姆奎斯特
- 叶树锋
- 吴连东
- 周向凯
- 周曦
- 姜力
- 宋坤
- 宋敬滨
- 崔丽英
- 弗雷德里克·亚尔德
- 张海东
- 张磊
- 张进华
- 李六一
- 李小龙
- 李建华
- 李慕凡
- 杨学锐
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顾宏凯;
靳令经;
滕飞
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摘要:
颈部肌张力障碍是最常见的局灶性肌张力障碍之一,肉毒毒素注射为一线治疗方法。能否正确识别与筛选责任痉挛肌肉是影响疗效的重要因素之一。目前临床上主要通过视诊和触诊异常肥大、僵硬或者疼痛的肌肉,并根据异常运动模式来判断责任肌肉。越来越多的研究探索辅助检查对痉挛责任肌肉的识别和筛选,主要包括运动学分析、EMG、超声及影像学检查。本文将对现有评估技术的有效性以及优缺点进行综述,为临床医生选择适合的评估工具提供思路。
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Jae Myung Kim;
Gyu Ho Choi;
Min-Gu Kim;
Sung Bum Pan
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摘要:
Recently,user recognitionmethods to authenticate personal identity has attracted significant attention especially with increased availability of various internet of things(IoT)services through fifth-generation technology(5G)based mobile devices.The EMG signals generated inside the body with unique individual characteristics are being studied as a part of nextgeneration user recognition methods.However,there is a limitation when applying EMG signals to user recognition systems as the same operation needs to be repeated while maintaining a constant strength of muscle over time.Hence,it is necessary to conduct research on multidimensional feature transformation that includes changes in frequency features over time.In this paper,we propose a user recognition system that applies EMG signals to the short-time fourier transform(STFT),and converts the signals into EMG spectrogram images while adjusting the time-frequency resolution to extract multidimensional features.The proposed system is composed of a data pre-processing and normalization process,spectrogram image conversion process,and final classification process.The experimental results revealed that the proposed EMG spectrogram image-based user recognition system has a 95.4%accuracy performance,which is 13%higher than the EMGsignal-based system.Such a user recognition accuracy improvement was achieved by using multidimensional features,in the time-frequency domain.
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王柏衡;
赵潇洋
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摘要:
肌肉电信号(以下简称EMG)是肌肉收缩伴随的电信号,利用计算机可以将EMG进行信号编码,实现机械手臂等控制.通常来讲EMG传感器难以捕获手指手腕动作的微弱电位变化,因此传统的EMG机械手臂在工程设计过程中可能会遇到控制不精确、交互效果差等问题.文章探讨深度学习技术在EMG机械手臂的手势控制系统设计中的应用,同时为EMG的相关设计研究提供一定的参考价值.
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张召
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摘要:
目的 观察联合使用神经电生理监测对面肌痉挛微血管减压术结果及并发症发生率的影响,探讨联合使用电生理监测指导面肌痉挛微血管减压术的可行性.方法 收集2010年3月-2017年3月于我院神经外科就诊行MVD治疗且电生理资料完善的60例典型HFS患者为试验组,另选2014年3月-2016年3月期间收治的术中均未行神经电生理检测的51例患者为对照组,两组均行MVD手术,其中试验组术中全程实时监测神经电生理状态,确定减压后关颅.对照组术者根据经验判断,确认减压充分后开始关颅.结果 两组受试者一般临床试验资料具有可比性,试验组神经电生理监测发现AMR典型异常波经手术证实与诊断相符(100%).对照组51例患者中,有效率为72.5%(37/51),试验组60例患者中,有效率为93.33(56/60),试验组有效率现在高于对照组,差异有统计学意义(p=0.021<0.05,见表3).与对照组相比,试验组损伤发生率显著低于对照组,差异有统计学意义(p=0.017<0.05).结论 AMR、ZLR和EMG三种监测技术的联合使用可提高面肌痉挛微血管减压手术的疗效,减少并发症的发生.
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Davide Piovesan;
Roberto Bortoletto
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摘要:
Exoskeletons are designed to control the forces exerted during the physical coupling between the human and the machine.Since the human is an active system,the control of an exoskeleton requires coordinated action between the machine and the load so to obtain a reciprocal adaptation.Humans in the control loop can be modeled as active mechanical loads whose stiffness is continuously changing.The direct measurement of human stiffness is difficult to obtain in real-time,thus posing a significant limitation to the design of wearable robotics controllers.Electromyographic(EMG)recordings can provide an indirect estimation of human muscle force and stiffness,but current methods for the acquisition of the signals limit their use and efficiency.This work proposes a hybrid method for the estimation of upper limb joint stiffness during reaching movements that combines EMG-driven muscle models and constrained optimization.Using these two stages process,we estimated an optimal joints’stiffness bounded in a physiologically sound variability range.This information is crucial when designing exoskeletons user interfaces in which the limb stiffness is an integral part of the control loop.Point-to-point human reaching movements were analyzed to reconstruct the joint stiffness of the upper limb.An accurate 3D model of the arm,encompassing all bones from the hand to the scapula and the majority of the upper limb muscles,was developed to represent the sliding center of rotation of the joints.A well-posed parallel mechanism between the skeleton and the configuration of the tracking markers was implemented.Thus,the muscles’force and joint stiffness were calculated using a generalized pseudo-inversion of the Jacobian transformation between the muscles and Cartesian Space.The maximal and minimal forces exertable by the muscles were set as the boundary condition for the generalized pseudo-inverse by means of a state-of-the-art muscle model.
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崔翔;
刘昊;
吴庆勋;
廖平平;
张利剑
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摘要:
为解决航天服隔离助力系统与人体造成的人机运动协同问题,提出了基于肌肉神经活跃度建模的肌力特征识别方法,从肌电信号(EMG)量化分析了肌肉发力水平,而后根据肌肉实时发力意图对助力系统进行动力学控制,实现了航天员、航天服与助力系统的协同运动.最后,通过穿戴式柔索传动系统模拟了航天服肘关节助力工效实验,对基于肌肉神经活跃度的关节助力技术进行了验证.
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Junyi Cao;
Zhongming Tian;
Zhengtao Wang
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摘要:
This paper presents an experiment using OPENBCI to collect data of two hand gestures and decoding the signal to distinguish gestures. The signal was extracted with three electrodes on the subiect’s forearm and transferred in one channel. After utilizing a Butterworth bandpass filter, we chose a novel way to detect gesture action segment. Instead of using moving average algorithm, which is based on the calculation of energy, We developed an algorithm based on the Hilbert transform to find a dynamic threshold and identified the action segment. Four features have been extracted from each activity section, generating feature vectors for classification. During the process of classification, we made a comparison between K-nearest-neighbors (KNN) and support vector machine (SVM), based on a relatively small amount of samples. Most common experiments are based on a large quantity of data to pursue a highly fitted model. But there are certain circumstances where we cannot obtain enough training data, so it makes the exploration of best method to do classification under small sample data imperative. Though KNN is known for its simplicity and practicability, it is a relatively time-consuming method. On the other hand, SVM has a better performance in terms of time requirement and recognition accuracy, due to its application of different Risk Minimization Principle. Experimental results show an average recognition rate for the SVM algorithm that is 1.25% higher than for KNN while SVM is 2.031 s shorter than that KNN.
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唐敬道;
国伟
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摘要:
腹肌板倾斜度从0°调整为15°时,RECT.ABD与EXT.OBLI肌纤维激活程度不明显,RECTUS.F肌纤维激活程度增多.腹肌板倾斜度从0°调整为30°时,RECT.ABD与RECTUS.F肌纤维激活程度明显增多,EXT.OBLI肌纤维激活程度增多.腹肌板倾斜度从15°调整为30°时,RECT.ABD与RECTUS.F肌纤维激活程度明显增多,EXT.OBLI肌纤维激活程度不明显.结论:1.在腹肌板上进行仰卧起坐,当倾斜角度越大,RECT.ABD的RMS越大,肌纤维募集越多,兴奋程度越高,证明RECT.ABD做功越大,锻炼的效率越高.2.当倾斜度越大,RECT.ABD肌肉的疲劳程度越深,更多肌群参与做功,贡献率越高.