Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 98 for “"Surface Electromyography"”.
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A Wireless Surface Electromyography (WSEMG) System
Surface Electromyography (SEMG) systems are utilized throughout the medical industry to study abnormal electrical activity of the human muscle. Historically, SEMG systems employ surface (skin) mounted sensors that transmit electrical muscle data to a computer base via an umbilical cord. A typical …
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A Bio-Inspired Processing Unit for Surface Electromyography Applications
L'abstract è presente nell'allegato / the abstract is in the attachment
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Surface electromyography based speech recognition system and development toolkit
… an automatic speech recognition system based on surface electromyography signals. Data collection was done using a bipolar electrode configuration with a sampling rate of 5.77 kHz. Four feature sets, the short-time Fourier transform (STFT), the dual-tree complex wavelet transform (DTCWT), a …
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Prediction of Human Hand Motions based on Surface Electromyography
… and prosthesis control (Antfolk et al., 2010). Surface electromyography (sEMG) has been the predominant method for sensing electrical activity in biomechanical studies, and has also been applied to motion tracking in recent years. While most studies focus on the classification of human hand …
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Evaluation of Global Muscle Innervation Using Multi-Channel Surface Electromyography
Introduction: Advances in multi-channel surface electromyography (sEMG) have enabled the non-invasive assessment of neuromuscular function at the muscle and motor unit level. Specifically, sEMG has been used to assess the location of innervation zones (IZs) and the quantity of functioning …
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Surface electromyography of facilitated versus free arm activation after stroke
… An experiment was designed in which surface EMG was recorded from the biceps brachii and triceps brachii of seven acute stroke patients, during three types of activities. Recordings are made during unassisted attempts at flexion and extension, weight bearing attempts through the arm, …
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Surface electromyography signal classification using SFDN+DNN for hand gesture recognition
… a novel Deep Learning approach to classify the Surface Electromyography (SEMG) signals for hand movement recognition is presented and compared to the other approaches in the literature. EMG or muscle’s cells electrical activity are the electrical signals that are carried from the brain to the …
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A Subject Specific Surface Electromyography Model For Estimating L4/L5 Compressive Loading
… between tight hamstrings and lumbar loading. Electromyography (EMG) modeling is a non-invasive tool shown to report physiologically appropriate lumbar loading. In this thesis I developed a non-invasive EMG model to measure L4/5 compressive loading and applied the model to measure differences …
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The surface electromyography-force relationship during isometric dorsiflexion in males and females
… differences in the tibialis anterior (TA) surface electromyography (EMG) to force relationship. One-hundred participants (50 males and 50 females) performed three isometric contractions at 20, 40, 60, 80, and 100% of maximal voluntary contraction (MVC) in an apparatus designed to isolate …
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Characterizing Speech Motor Pattern in Minimally Verbal Adults with Autism Spectrum Disorder via Surface Electromyography
… with speech motor movement in mvASD using surface electromyography (sEMG). By capturing and analyzing sEMG signals with 8 electrodes from key facial muscles during speech production tasks, this study provides insights into the distinct motor patterns exhibited by mvASD individuals compared …
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The Effect of Positioning on Pelvic Floor Muscle Activity as Evaluated with Surface Electromyography in Normals
… on pelvic floor muscle activity as measured by surface electromyography (sEMG) in supine, sitting, and standing. Subjects were healthy nulliparous and multiparous women, 23-74 years old, with no symptoms, history, diagnosis, or treatment of incontinence. Subjects were randomized for exposure to …
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Relationships between lumbar inter-vertebral kinematics and paraspinal myoelectric activity during sagittal flexion: a quantitative fluoroscopy and surface electromyography study
… kinematics at the inter-vertebral level, and surface electromyography (sEMG) provides a non-invasive means of objectively quantifying muscle activity. This study used QF and sEMG technologies concurrently to investigate relationships between and amongst lumbar kinematic (QF determined) and …
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Estimating output torque via amplitude estimation and neural drive : a high-density sEMG study
… is neural control interfaces derived from surface electromyography (sEMG). This thesis presents an exploration of output joint torque estimation using high density surface electromyography (HDsEMG). The specific aims of this thesis were to implement a well-established amplitude estimation …
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Exploring the potential of a model-based approach to detect muscular dysfunction using surface EMG
… is for sure being activated through exercises? Surface electromyography is one of the options that can be used during the diagnostic and treatment process since the system gives feedback on muscles' performance. This study is about the use of a surface electromyography system to visualize muscle …
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Potenciais propagantes no músculo oblíquo interno por eletromiografia de superfície de alta densidade
Surface electromyography is a technique for capturing the electrical activity of the superficial muscles, but the potential of this technique in the capture of myoelectric signals of deep muscles has not been fully explored. High-density surface electromyography (HDEMG) allows the identification of …
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DECODING MUSCLE EXCITATION IN RESISTANCE TRAINING: A HIGH-DENSITY SEMG APPROACH
… by methodological constraints. Traditional surface electromyography (sEMG) provides a global estimate of muscle activity but lacks the spatial resolution required to capture detailed excitation patterns within and across muscles. This doctoral thesis aimed to advance the understanding of …
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Musculoskeletal Modeling of Back-Support Exoskeletons: Comparative Evaluation of Spine Loads, Muscle Activity, and Optimization Strategies
… by constraints on measuring muscle activity via surface electromyography. Optimization-based musculoskeletal models provide an alternative means of estimating muscle activity and intervertebral joint forces (IJFs), but inherent model assumptions require systematic evaluation. The objective of …
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Perturbation Based Decomposition of sEMG Signals
<p>Surface electromyography records the motor unit action potential signals in the vicinity of the electrode to reveal information on muscle activation. Decomposition of sEMG signals for characterization of constituent motor unit action potentials in terms of amplitude and firing times is useful …
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