Listar por autor UPNA "Irujo, Javier"
Mostrando ítems 1-17 de 17
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Determinación de los umbrales ventilatorios, metabólicos y electromiográficos durante el test de esfuerzo incremental en ciclistas de elite
Latasa Zudaire, Iban Alexander
(2019)
Tesis doctoral / Doktoretza tesia 
La fatiga muscular tiene múltiples definiciones, pero indudablemente su principal misión es la protección. La electromiografía de superficie (sEMG) es una técnica adecuada para comprender los patrones de activación musculares, ... -
EMG modeling
Rodríguez Falces, Javier ; Navallas Irujo, Javier ; Malanda Trigueros, Armando (InTechOpen, 2012)
Capítulo de libro / Liburuen kapitulua
The aim of this chapter is to describe the approaches used for modelling electromyographic (EMG) signals as well as the principles of electrical conduction within the muscle. Sections are organized into a progressive, ... -
Estimation of the motor unit structure from scanning electromyography and surface electromyography recordings
Corera Orzanco, Íñigo (2021)
Tesis doctoral / Doktoretza tesia
In this thesis, several algorithmic procedures to estimate the MU fiber parameters from the waveform of a scanning-EMG signal (i.e., from the recording of a MUP in multiple positions along a linear corridor) have been ... -
Evaluation of the electromyography test for the analysis of the aerobic-anaerobic transition in elite cyclists during incremental exercise
Latasa Zudaire, Iban Alexander ; Córdova Martínez, Alfredo; Quintana Ortí, Gregorio; Lavilla Oiz, Ana; Navallas Irujo, Javier ; Rodríguez Falces, Javier (MDPI, 2019)
Artículo / Artikulua
(1) Background: The aim of this study was to investigate the validity and reliability of surface electromyography (EMG) for automatic detection of the aerobic and anaerobic thresholds during an incremental continuous cycling ... -
Exact inter-discharge interval distribution of motor unit firing patterns with gamma model
Navallas Irujo, Javier ; Porta Cuéllar, Sonia ; Malanda Trigueros, Armando (Springer, 2019)
Artículo / Artikulua
Inter-discharge interval distribution modeling of the motor unit firing pattern plays an important role in electromyographic decomposition and the statistical analysis of firing patterns. When modeling firing patterns ... -
Masked least-squares averaging in processing of scanning-EMG recordings with multiple-discharges
Corera Orzanco, Íñigo ; Malanda Trigueros, Armando ; Rodríguez Falces, Javier ; Navallas Irujo, Javier (Springer, 2020)
Artículo / Artikulua
Removing artifacts from nearby motor units is one of the main objectives when processing scanning-EMG recordings. Methods such as median filtering or masked least-squares smoothing (MLSS) can be used to eliminate artifacts ... -
A masked least-squares smoothing procedure for artifact reduction in scanning-EMG recordings
Corera Orzanco, Íñigo ; Eciolaza Ferrando, Adrián ; Rubio Zamora, Oliver ; Malanda Trigueros, Armando ; Rodríguez Falces, Javier ; Navallas Irujo, Javier (Springer, 2018)
Artículo / Artikulua
Scanning-EMG is an electrophysiological technique in which the electrical activity of the motor unit is recorded at multiple points along a corridor crossing the motor unit territory. Correct analysis of the scanning-EMG ... -
Métodos de procesamiento y análisis de señales electromiográficas
Gila Useros, Luis; Malanda Trigueros, Armando ; Rodríguez Carreño, Ignacio ; Rodríguez Falces, Javier ; Navallas Irujo, Javier (Gobierno de Navarra, 2009)
Artículo / Artikulua
La electromiografía clínica es una metodología de registro y análisis de la actividad bioeléctrica del músculo esquelético orientada al diagnóstico de las enfermedades neuromusculares. Las posibilidades de aplicación y el ... -
Modelling fibrillation potentials: analysis of time parameters in the muscle intracellular action potential
Rodríguez Falces, Javier ; Malanda Trigueros, Armando ; Gila Useros, Luis; Rodríguez Carreño, Ignacio ; Navallas Irujo, Javier (IEEE, 2007)
Artículo / Artikulua
A single fibre action potential (SFAP) can be modelled as the convolution of a biolectrical source and a filter impulse response. In the Dimitrov-Dimitrova (D-D) convolutional model, the first temporal ... -
Motor unit action potential duration, I: variability of manual and automatic measurements
Rodríguez Carreño, Ignacio; Gila Useros, Luis; Malanda Trigueros, Armando ; García Gurtubay, Ignacio; Mallor Giménez, Fermín ; Gómez Elvira, Sagrario ; Rodríguez Falces, Javier ; Navallas Irujo, Javier (Lippincott, Williams & Wilkins, 2007)
Artículo / Artikulua
To analyze the variability in manual measurements of motor unit action potential (MUAP) duration and to evaluate the effectiveness of well-known algorithms for automatic measurement. Two electromyographists carried out ... -
Motor unit action potential duration, II: a new automatic measurement method based on the wavelet transform
Rodríguez Carreño, Ignacio; Gila Useros, Luis; Malanda Trigueros, Armando ; García Gurtubay, Ignacio; Mallor Giménez, Fermín ; Gómez Elvira, Sagrario ; Rodríguez Falces, Javier ; Navallas Irujo, Javier (Lippincott, Williams & Wilkins, 2007)
Artículo / Artikulua
To present and evaluate a new algorithm, based on the wavelet transform, for the automatic measurement of motor unit action potential (MUAP) duration. A total of 240 MUAPs were studied. The waveform of each MUAP was ... -
Motor unit profile: a new way to describe the scanning-EMG potential
Corera Orzanco, Íñigo ; Malanda Trigueros, Armando ; Rodríguez Falces, Javier ; Porta Cuéllar, Sonia ; Navallas Irujo, Javier (Elsevier, 2017)
Artículo / Artikulua
The motor unit profile, a representation of the trajectories of positive and negative turns of a scanning-EMG signal, is a new way to characterize the motor unit potential. Such characterization allows quantification of ... -
A new muscle architecture model with non-uniform distribution of muscle fiber types
Navallas Irujo, Javier ; Malanda Trigueros, Armando ; Gila Useros, Luis; Rodríguez Falces, Javier ; Rodríguez Carreño, Ignacio (World Academy of Science, Engineering and Technology, 2007)
Artículo / Artikulua
According to previous studies, some muscles present a non-homogeneous spatial distribution of its muscle fiber types and motor unit types. However, available muscle models only deal with muscles with homogeneous ... -
Optimizing interoperability between video-oculographic and electromyographic systems
Navallas Irujo, Javier ; Ariz Galilea, Mikel ; Villanueva Larre, Arantxa ; San Agustín, Javier; Cabeza Laguna, Rafael (Rehabilitation Research & Development Service, 2011)
Artículo / Artikulua
A new system is presented that enhances the interoperability between a video-oculographic (VOG) system for mouse movement control and an electromyographic (EMG) system for mouse click detection. The proposed VOG-EMG system ... -
Scanning electromyography
Navallas Irujo, Javier ; Rodríguez Falces, Javier ; Stålberg, Erik (InTechOpen, 2012)
Capítulo de libro / Liburuen kapitulua
The study of the anatomy and physiology of the motor unit has important implications in the diagnosis and follow-up of neuromuscular pathologies. Muscle action potentials allow the use of electrophysiological techniques ... -
Sliding window averaging in normal and pathological motor unit action potential trains
Malanda Trigueros, Armando ; Navallas Irujo, Javier ; Rodríguez Falces, Javier ; Porta Cuéllar, Sonia ; Fernández Martínez, Miguel (Elsevier, 2018)
Artículo / Artikulua
Objective: To evaluate the performance of a recently proposed motor unit action potential (MUAP) averaging method based on a sliding window, and compare it with relevant published methods in normal and pathological muscles. ... -
Trabajo en red: rompiendo el aislamiento
Lopes Dos Santos, María Cristina ; Navallas Irujo, Javier ; Sala López, Olga (Sociedad Navarra de Geriatría y Gerontología, 2020)
Artículo / Artikulua
El taller denominado 'Trabajo en red: rompiendo el aislamiento', dentro de la I Jornada sobre Trabajo Social y Personas Mayores (29 de enero de 2020), contribuye a la reflexión conjunta de diversos profesionales de ...
