Exploració per tema "Electromiografia"
Ara es mostren els items 1-20 de 64
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A novel spatial feature for the identification of motor tasks using high-density electromyography
(MDPI AG, 2017-07-08)
Article
Accés obertEstimation of neuromuscular intention using electromyography (EMG) and pattern recognition is still an open problem. One of the reasons is that the pattern-recognition approach is greatly influenced by temporal changes in ... -
A real-time and convex model for the estimation of muscle force from surface electromyographic signals in the upper and lower limbs
(Frontiers Media SA, 2023-02)
Article
Accés obertLow-volume lung injury encompasses local concentration of stresses in the vicinity of collapsed regions in heterogeneously ventilated lungs. We aimed to study the effects on ventilation and perfusion distributions of a ... -
Actividad electromiográfica normal en la marcha humana
(Sociedad Ibérica de Biomecánica y Biomateriales, 1996-12)
Article
Accés obertLa electromiografía dinámica es uno de los medios tecnológicos usuales en el estudio del movimiento humano; esta técnica determina cuándo un músculo está activo o inactivo. La revisión de los datos aportados por la ... -
Actividad eléctrica muscular en la marcha a distintas velocidades y en la carrera
(Sociedad Ibérica de Biomecánica y Biomateriales, 2004-10)
Article
Accés obertEn este estudio se analiza la actividad electromiográfica de los principales músculos de la extremidad inferior derecha: Glúteos Mayor y Medio, Recto Anterior y Vasto Interno del Cuádriceps, Isquiotibioperoneos, Gemelos ... -
Actividad eléctrica muscular en la marcha a distintas velocidades y en la carrera
(2004-10)
Article
Accés obertEn este estudio se analiza la actividad electromiográfica de los principales músculos de la extremidad inferior derecha: Glúteos Mayor y Medio, Recto Anterior y Vasto Interno del Cuádriceps, Isquiotibioperoneos, Gemelos ... -
An accurate and real-time method for resolving superimposed action potentials in multiunit recordings
(2023-01)
Article
Accés restringit per política de l'editorialObjective : Spike sorting of muscular and neural recordings requires separating action potentials that overlap in time (superimposed action potentials (APs)). We propose a new algorithm for resolving superimposed action ... -
Analysis of electrode arrays for multichannel surface electromyography
(Universitat Politècnica de Catalunya, 2019-05)
Projecte Final de Màster Oficial
Accés obertNowadays medical evaluation requires in each further step improvements in all the areas concerning engineering and materials. This applies to the application of electromyography and in specific to surface electromyography ... -
Analysis of muscle synergies and activation–deactivation patterns in subjects with anterior cruciate ligament deficiency during walking
(Elsevier, 2016-01)
Article
Accés obertThe knowledge of muscle activation patterns when doing a certain task in subjects with anterior cruciate ligament deficiency could help to improve their rehabilitation treatment. The goal of this study is to identify ... -
Analysis of tracheal and pulmonary continuous adventitious respiratory sounds in asthma
(Institute of Electrical and Electronics Engineers (IEEE), 2019)
Comunicació de congrés
Accés restringit per política de l'editorialContinuous adventitious sounds (CAS) are commonly observed in obstructive pulmonary diseases and are of great clinical interest. However, their evaluation is generally subjective. We have previously developed an automatic ... -
Anàlisis per electromiograma de les afectacions musculars en pacients amb trencament de lligament creuat anterior
(Universitat Politècnica de Catalunya, 2020-07-15)
Treball Final de Grau
Accés obertAvui en dia el trencament del lligament creuat és una lesió comuna en la població, sobretot en esportistes. Tot i així, encara es desconeixen alguns aspectes relacionats amb l’evolució dels pacients després de la reconstrucció ... -
Análisis de la actividad muscular respiratoria mediante técnicas temporales,frecuenciales y estadísticas
(Universitat Politècnica de Catalunya, 1999-11-08)
Tesi
Accés obertLa enfermedad pulmonar obstructiva crónica (EPOC) es la enfermedad crónica de los pulmones más común representando una causa importante de incapacidad y de muerte. La actividad respiratoria está definida en gran medida por ... -
Análisis muscular en situación de equilibrio a través de electromiografía
(Sociedad Ibérica de Biomecánica y Biomateriales, 1995)
Article
Accés obertSe ha realizado un análisis muscular en un equilibrio de gimnasia rítimica deportiva en 2 grupos de niñas: 1)bien entrenadas y que asisten a competiciones periódicamente, y 2) que práctican este deporte como entrenamiento. El ... -
Assessment of the non-linear response of the fSampEn on simulated EMG signals
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Text en actes de congrés
Accés obertFixed sample entropy (fSampEn) is a promising technique for the analysis of respiratory electromyographic (EMG) signals. Its use has shown outperformance of amplitude-based estimators such as the root mean square (RMS) in ... -
Assessment of trunk flexion in arm reaching tasks with electromyography and smartphone accelerometry in healthy human subjects
(Nature, 2021-03-08)
Article
Accés obertTrunk stability is essential to maintain upright posture and support functional movements. In this study, we aimed to characterize the muscle activity and movement patterns of trunk flexion during an arm reaching task in ... -
Cancellation of cardiac interference in diaphragm EMG signals using an estimate of ECG reference signal
(2014)
Text en actes de congrés
Accés obertThe analysis of the electromyographic signal of the diaphragm muscle (EMGdi) can provide important information in order to evaluate the respiratory muscular function. However, EMGdi signals are usually contaminated by the ... -
Characterization of laplacian surface electromyographic signals during isometric contraction in biceps brachii
(Institute of Electrical and Electronics Engineers (IEEE), 2013)
Text en actes de congrés
Accés restringit per política de l'editorialSurface electromyography (sEMG) is a noninvasive technique for monitoring the electrical activity produced by the muscles. Usually, sEMG is performed by carrying out monopolar or bipolar recordings by means of conventional ... -
Comparison of filtering methods for real-time extraction of the volitional EMG component in electrically stimulated muscles
(Elsevier, 2024-01-01)
Article
Accés obertObjective Recorded electromyograms (EMG) of electrically stimulated muscles can contain both an exogenous-evoked potential (M-wave) and an endogenous, or volitional, component. This study evaluated the effectiveness of ... -
Detection of multiple innervation zones from multi-channel surface EMG recordings with low signal-to-noise ratio using graph-cut segmentation
(Public Library of Science (PLOS), 2016-12-15)
Article
Accés obertKnowledge of the location of muscle Innervation Zones (IZs) is important in many applications, e.g. for minimizing the quantity of injected botulinum toxin for the treatment of spasticity or for deciding on the type of ... -
Disseny i implementació d'un electromiògraf (EMG) i la seva interfície per al monitoratge de moviments d'un individu
(Universitat Politècnica de Catalunya, 2022-10-26)
Treball Final de Grau
Accés obertEn aquest document es presenta el disseny i la implementació d’un electromiògraf, és a dir, un aparell que permet mesurar l’estímul elèctric, o potencial creat en la contracció muscular, per tant, durant el moviment d’un ... -
Effect of vibration frequency on agonist and antagonist arm muscle activity
(2015-01-23)
Article
Accés obertPurpose This study aimed to assess the effect of vibration frequency (fout) on the electromyographic (EMG) activity of the biceps brachii (BB) and triceps brachii (TB) muscles when acting as agonist and antagonist during ...