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Electromyography Signal Analysis And Characterization
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Book Synopsis Electromyography Signal Analysis and Characterization by : Sazzad Hussain
Download or read book Electromyography Signal Analysis and Characterization written by Sazzad Hussain and published by LAP Lambert Academic Publishing. This book was released on 2012-02 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electromyography (EMG) signal gives an electrical representation of neuromuscular activation associated with contracting muscle provides information about the performance of muscles and nerves. EMG signal acquires noise while traveling through different tissues. With the appropriate choice of the Wavelet Function (WF), it is possible to remove interference noise. Higher Order Statistics (HOS) can suppress white Gaussian noise in detection, parameter estimation and solve classification problems. Based on the RMS error, it is noticed that WF db2 can perform denoising most effectively among the other WFs (db6, db8, dmey). Power spectrum analysis is performed to the denoised EMG where mean power frequency is calculated to indicate changes in muscle contraction. Gaussianity and linearity tests are conducted to understand changes in muscle contraction. According to the results, increase in muscle contraction provides significant increase in EMG mean power frequency. The study also verifies that the power spectrum of EMG shows a shift to lower frequencies during fatigue. The bispectrum analysis shows that the signal becomes less Gaussian and more linear with increasing muscle force.
Book Synopsis EMG Signals Characterization in Three States of Contraction by Fuzzy Network and Feature Extraction by : Bita Mokhlesabadifarahani
Download or read book EMG Signals Characterization in Three States of Contraction by Fuzzy Network and Feature Extraction written by Bita Mokhlesabadifarahani and published by Springer. This book was released on 2015-02-10 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neuro-muscular and musculoskeletal disorders and injuries highly affect the life style and the motion abilities of an individual. This brief highlights a systematic method for detection of the level of muscle power declining in musculoskeletal and Neuro-muscular disorders. The neuro-fuzzy system is trained with 70 percent of the recorded Electromyography (EMG) cut off window and then used for classification and modeling purposes. The neuro-fuzzy classifier is validated in comparison to some other well-known classifiers in classification of the recorded EMG signals with the three states of contractions corresponding to the extracted features. Different structures of the neuro-fuzzy classifier are also comparatively analyzed to find the optimum structure of the classifier used.
Book Synopsis Surface Electromyography by : Roberto Merletti
Download or read book Surface Electromyography written by Roberto Merletti and published by John Wiley & Sons. This book was released on 2016-05-02 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reflects on developments in noninvasive electromyography, and includes advances and applications in signal detection, processing and interpretation Addresses EMG imaging technology together with the issue of decomposition of surface EMG Includes advanced single and multi-channel techniques for information extraction from surface EMG signals Presents the analysis and information extraction of surface EMG at various scales, from motor units to the concept of muscle synergies.
Book Synopsis Higher Order Statistics Techniques Applied to EMG Signal Analysis and Characterization by : Shahjahan Shahid
Download or read book Higher Order Statistics Techniques Applied to EMG Signal Analysis and Characterization written by Shahjahan Shahid and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Computational Intelligence in Electromyography Analysis by : Ganesh R. Naik
Download or read book Computational Intelligence in Electromyography Analysis written by Ganesh R. Naik and published by BoD – Books on Demand. This book was released on 2012-10-17 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electromyography (EMG) is a technique for evaluating and recording the electrical activity produced by skeletal muscles. EMG may be used clinically for the diagnosis of neuromuscular problems and for assessing biomechanical and motor control deficits and other functional disorders. Furthermore, it can be used as a control signal for interfacing with orthotic and/or prosthetic devices or other rehabilitation assists. This book presents an updated overview of signal processing applications and recent developments in EMG from a number of diverse aspects and various applications in clinical and experimental research. It will provide readers with a detailed introduction to EMG signal processing techniques and applications, while presenting several new results and explanation of existing algorithms. This book is organized into 18 chapters, covering the current theoretical and practical approaches of EMG research.
Book Synopsis Electromyography and Neuromuscular Disorders E-Book by : David C. Preston
Download or read book Electromyography and Neuromuscular Disorders E-Book written by David C. Preston and published by Elsevier Health Sciences. This book was released on 2012-12-01 with total page 663 pages. Available in PDF, EPUB and Kindle. Book excerpt: Diagnose neuromuscular disorders more quickly and accurately with Electromyography and Neuromuscular Disorders: Clinical-Electrophysiologic Correlations, 3rd Edition! State-of-the-art guidance helps you correlate electromyographic and clinical findings and use the latest EMG techniques to their fullest potential. Consult this title on your favorite e-reader with intuitive search tools and adjustable font sizes. Elsevier eBooks provide instant portable access to your entire library, no matter what device you're using or where you're located. Successfully correlate electrodiagnostic findings with key clinical findings for more confident diagnoses. Clearly see how to apply what you’ve learned with abundant case studies throughout the book. Obtain relevant clinical guidance quickly and easily with an accessible, easy-to-read writing style that’s both comprehensive and easy to understand. Ensure correct EMG needle placement and avoid neurovascular injuries by referring to more than 65 detailed, cross-sectional anatomy drawings. Diagnose many newly defined genetic neuromuscular conditions based on their electrodiagnostic presentation. Stay up to date with must-know information on iatrogenic complications of electrodiagnostic studies. Visualize key concepts more easily with a brand-new full-color design, new artwork, and new photographs. Access Electromyography and Neuromuscular Disorders online, fully searchable, at www.expertconsult.com, along with more than 70 videos that allow you to see and hear the EMG waveforms discussed in the text, as well as a convenient "test yourself" module.
Book Synopsis Trends in Intelligent Robotics, Automation, and Manufacturing by : S.G. Poonambalam
Download or read book Trends in Intelligent Robotics, Automation, and Manufacturing written by S.G. Poonambalam and published by Springer. This book was released on 2012-11-28 with total page 541 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the proceedings of the First International Conference on Intelligent Robotics and Manufacturing, IRAM 2012, held in Kuala Lumpur, Malaysia, in November 2012. The 64 revised full papers included in this volume were carefully reviewed and selected from 102 initial submissions. The papers are organized in topical sections named: mobile robots, intelligent autonomous systems, robot vision and robust, autonomous agents, micro, meso and nano-scale automation and assembly, flexible manufacturing systems, CIM and micro-machining, and fabrication techniques.
Book Synopsis Single Fibre Electromyography by : Erik Stålberg
Download or read book Single Fibre Electromyography written by Erik Stålberg and published by . This book was released on 1979 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electromyography by : Roberto Merletti
Download or read book Electromyography written by Roberto Merletti and published by John Wiley & Sons. This book was released on 2004-07-26 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: A complete overview of electromyography with contributions from pacesetters in the field In recent years, insights from the field of engineering have illuminated the vast potential of electromyography (EMG) in biomedical technology. Featuring contributions from key innovators working in the field today, Electromyography reveals the broad applications of EMG data in areas as diverse as neurology, ergonomics, exercise physiology, rehabilitation, movement analysis, biofeedback, and myoelectric control of prosthesis. Bridging the gap between engineering and physiology, this pioneering volume explains the essential concepts needed to detect, understand, process, and interpret EMG signals using non-invasive electrodes. Electromyography shows how engineering tools such as models and signal processing methods can greatly augment the insight provided by surface EMG signals. Topics covered include: Basic physiology and biophysics of EMG generation Needle and surface electrode detection techniques Signal conditioning and processing issues Single- and multi-channel techniques for information extraction Development and application of physical models Advanced signal processing techniques With its fresh engineering perspective, Electromyography offers physiologists, medical professionals, and students in biomedical engineering a new window into the far-reaching possibilities of this dynamic technology.
Book Synopsis Applications, Challenges, and Advancements in Electromyography Signal Processing by : Naik, Ganesh R.
Download or read book Applications, Challenges, and Advancements in Electromyography Signal Processing written by Naik, Ganesh R. and published by IGI Global. This book was released on 2014-05-31 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This book provides an updated overview of signal processing applications and recent developments in EMG from a number of diverse aspects and various applications in clinical and experimental research"--Provided by publisher.
Book Synopsis Characterization of Neuromuscular Disorders Using Quantitative Electromyographic Techniques by : Meena AbdelMaseeh Adly Fouad
Download or read book Characterization of Neuromuscular Disorders Using Quantitative Electromyographic Techniques written by Meena AbdelMaseeh Adly Fouad and published by . This book was released on 2016 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents a multifaceted effort to develop a system that allows electrodiagnostic clinicians to perform a quantitative analysis of needle detected electromyographic (EMG) signals for characterization of neuromuscular disorders. Currently, the most widely adopted practise for evaluation of patients with suspected neuromuscular disorders is based on qualitative visual and auditory assessment of EMG signals. The resulting characterizations from this qualitative assessment are criticized for being subjective and highly dependent on the skill and experience of the examiner. The proposed system can be decomposed functionally into three stages: (1) extracting relevant information from the EMG signals, (2) representing the extracted information in formats suitable for qualitative, semi-quantitative and quantitative assessment, and (3) supporting the clinical decision, i.e., characterizing the examined muscle by estimating the likelihood of it being affected by a specific category of neuromuscular disorders. The main contribution of the thesis to the extraction stage is the development of an automated decomposition algorithm specifically tailored for characterization of neuromuscular disorders. The algorithm focuses on identifying as many representative motor unit potential trains as possible in times comparable to the times needed to complete a qualitative assessment. The identified trains are shown to reliably capture important aspects of the motor unit potential morphology and morphological stability. With regards to the representation stage, the thesis proposes ten new quantitative EMG features that are shown to be discriminative among the different disease categories. Along with eight traditional features, the features can be grouped into subsets, where each subset reflects a different aspect of the underlying motor unit structure and/or function. A muscle characterization obtained using a feature set in which every relevant aspect is included using the most representative feature is more structured, simple, and generalizable. All the investigated features are clinically relevant. An examiner can easily validate their values by visual inspection; interpret them from an anatomical, physiological, and pathological basis; and is aware of their limitations and dependence on the acquisition setup. The second main contribution to the representation stage is the evaluation of the possibility of detecting neurogenic disorders using a newly proposed set of quantitative features describing the firing patterns of the identified motor units. The last contribution to the representation stage is the development of novel methods that allow an examiner to detect contributions from fibres close to the detection surface of a needle electrode and to track them across a motor unit potential train. The work in this thesis related to the decision support stage aims at improving existing methods for obtaining transparent muscle characterization. Transparent methods do not only estimate the likelihood of the muscle being affected by a specific disorder, but also induce a set of rules explaining the likelihood estimates. The results presented in this thesis show that remodelling the characterization problem using an appropriate binarization mapping can overcome the decrease in accuracy associated with quantizing features, which is used to induce transparency rules. To attain the above mentioned objectives, different signal processing and machine learning methods are utilized and extended. This includes spectral clustering, Savitzky-Golay filtering, dynamic time warping, support vector machines, classification based on event association rules and Gaussian mixture models. The performance of the proposed methods has been evaluated with four different sets of examined limb muscles (342 muscles in total). Also, it has been evaluated using simulated EMG signals calculated using physiologically and anatomically sound models. A system capable of achieving the aforementioned objectives is expected to promote further clinical adoption of quantitative electromyographic techniques. These techniques have potential advantages over existing qualitative assessments including resolving equivocal cases, formalizing communication and evaluating prognosis.
Book Synopsis Advanced Computer and Communication Engineering Technology by : Hamzah Asyrani Sulaiman
Download or read book Advanced Computer and Communication Engineering Technology written by Hamzah Asyrani Sulaiman and published by Springer. This book was released on 2015-12-28 with total page 1282 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers diverse aspects of advanced computer and communication engineering, focusing specifically on industrial and manufacturing theory and applications of electronics, communications, computing and information technology. Experts in research, industry, and academia present the latest developments in technology, describe applications involving cutting-edge communication and computer systems, and explore likely future trends. In addition, a wealth of new algorithms that assist in solving computer and communication engineering problems are presented. The book is based on presentations given at ICOCOE 2015, the 2nd International Conference on Communication and Computer Engineering. It will appeal to a wide range of professionals in the field, including telecommunication engineers, computer engineers and scientists, researchers, academics and students.
Book Synopsis Electromyography In Ergonomics by : Shrawan Kumar
Download or read book Electromyography In Ergonomics written by Shrawan Kumar and published by CRC Press. This book was released on 1996-03-20 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electromyography (EMG) is the study of muscle behaviour via electronic means, and is thus a technique fundamental to ergonomics, physiology and biomechanics. This text describes the principles of EMG and its application domains, focusing on anatomy, biology, muscle characteristics, physics, mechanics, EMG signal, noise/artifacts/errors, equipment/devices/techniques, interpretation and computerised data acquisition, and analysis. The book provides a theoretical base, a strategic framework and user experiences.
Book Synopsis Electromyography In Ergonomics by : Shrawan Kumar
Download or read book Electromyography In Ergonomics written by Shrawan Kumar and published by Routledge. This book was released on 2017-11-13 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electromyography (EMG) is the study of muscle behaviour via electronic means, and is thus a technique fundamental to ergonomics, physiology and biomechanics. This text describes the principles of EMG and its application domains, focusing on anatomy, biology, muscle characteristics, physics, mechanics, EMG signal, noise/artifacts/errors, equipment/devices/techniques, interpretation and computerised data acquisition, and analysis. The book provides a theoretical base, a strategic framework and user experiences.
Book Synopsis Atlas of Muscle Innervation Zones by : Marco Barbero
Download or read book Atlas of Muscle Innervation Zones written by Marco Barbero and published by Springer Science & Business Media. This book was released on 2012-08-04 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: Invasive electromyography is a well-established diagnostic tool that has been used for decades by neurologists. Recently, new and alternative devices have increasingly become available that permit diagnosis without the use of needles. This developing area of science and the new tools have not, however, been sufficiently investigated in academic training. Consequently a gap exists between what science is making possible and the competence acquired during graduate studies. This handy volume has the aim of filling this gap by providing the information required by medical practitioners in rehabilitation, sports, and occupational health as well as by rehabilitation therapists, ergonomists, and sport coaches. The techniques that are presented and explained will help in monitoring and recording changes, evaluating the effectiveness of treatments and training, evaluating work stations, and preventing and documenting the evolution of occupational disorders of the neuromuscular system.
Book Synopsis Essentials of Electromyography by : Gary Kamen
Download or read book Essentials of Electromyography written by Gary Kamen and published by Human Kinetics Publishers. This book was released on 2010 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Essentials of Electromyography "explains and explores the use of electrical recordings of muscle movements for students taking courses in EMG or any professional dealing with human movement.
Book Synopsis Essentials of Electromyography by : Gary Kamen
Download or read book Essentials of Electromyography written by Gary Kamen and published by . This book was released on 2010 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: The interest in and use of electromyography (EMG) have grown significantly in recent years. Researchers have found numerous clinical and research uses for EMG, including biofeedback, gait analysis, and clinical diagnosis for neuromuscular disorders. Yet, until now, few sources have been available to help novices understand the characteristics of the instrumentation, signal analysis techniques, and appropriate EMG applications. This book provides the perfect starting point for those who plan to use EMG because it aids in the comprehension of issues such as handling noise contamination to the area, slope, and variability of the EMG signal. The text is also a solid reference for practitioners who use EMG, including exercise scientists, physical therapists, occupational therapists, and motor development specialists. The text provides a solid review of the relationship between human anatomy and EMG as well as how EMG is applied to clinical areas. It showcases over 160 figures and many qualitative explanations to communicate the principles of EMG, the biophysical basis of EMG, and the appropriate applications of EMG. It also contains appendixes for readers with a deeper understanding of EMG and stronger backgrounds in math; those readers will have the opportunity to work through more detailed EMG calculations. The book is heavily referenced and illustrated with diagrams showing electrical circuits and the progression of electrical impulses. This book will help readers learn how to apply EMG for biofeedback, back pain, sport activities, and other uses. The text pulls together information scattered in books and articles among the numerous disciplines that use EMG as a tool. With its clear presentation of the concepts and applications of EMG.
