Zobrazeno 1 - 10
of 71
pro vyhledávání: '"Javier Rodriguez-Falces"'
Publikováno v:
BioMedical Engineering OnLine, Vol 23, Iss 1, Pp 1-17 (2024)
Abstract Introduction The probability density function (PDF) of the surface electromyogram (sEMG) depends on contraction force. This dependence, however, has so far been investigated by having the subject generate force at a few fixed percentages of
Externí odkaz:
https://doaj.org/article/e19e092ac8774b2c9baf18b2ece8e5b0
Publikováno v:
IEEE Transactions on Neural Systems and Rehabilitation Engineering, Vol 32, Pp 3240-3250 (2024)
EMG filling curve characterizes the EMG filling process and EMG probability density function (PDF) shape change for the entire force range of a muscle. We aim to understand the relation between the physiological and recording variables, and the resul
Externí odkaz:
https://doaj.org/article/9ffaf32b8b284700bb00770a0312f29e
Publikováno v:
Experimental Physiology, Vol 108, Iss 12, Pp 1548-1559 (2023)
Abstract In some compound muscle action potentials (M waves) recorded using the belly–tendon configuration, the tendon electrode makes a noticeable contribution to the M wave. However, this finding has only been demonstrated in some hand and foot m
Externí odkaz:
https://doaj.org/article/6e23402441e44463b5ef2085518bf334
Publikováno v:
Frontiers in Physiology, Vol 14 (2024)
Introduction: It has been shown that, for male subjects, the sEMG activity at low contraction forces is normally “pulsatile”, i.e., formed by a few large-amplitude MUPs, coming from the most superficial motor units. The subcutaneous layer thickne
Externí odkaz:
https://doaj.org/article/861aec10d257469b808e186932edc0e6
Autor:
Javier Navallas, Adrian Eciolaza, Cristina Mariscal, Armando Malanda, Javier Rodriguez-Falces
Publikováno v:
IEEE Transactions on Neural Systems and Rehabilitation Engineering, Vol 31, Pp 1188-1198 (2023)
An analytical derivation of the EMG signal’s amplitude probability density function (EMG PDF) is presented and used to study how an EMG signal builds-up, or fills, as the degree of muscle contraction increases. The EMG PDF is found to change from a
Externí odkaz:
https://doaj.org/article/27b43071f73944d48e79cbfb4749baf7
Autor:
Javier Rodriguez-Falces, Nicolas Place
Publikováno v:
Frontiers in Physiology, Vol 12 (2021)
This study was undertaken to investigate whether sarcolemmal excitability is impaired during a sustained low-force contraction [10% maximal voluntary contraction (MVC)] by assessing muscle conduction velocity and also by analyzing separately the firs
Externí odkaz:
https://doaj.org/article/c7b1b15af43c4d8190e9436c5263f740
Autor:
Javier Rodriguez-Falces, Nicolas Place
Publikováno v:
Frontiers in Physiology, Vol 9 (2018)
It has been recurrently observed that, for compound muscle action potentials (M wave) recorded over the innervation zone of the vastus lateralis, the descending portion of the first phase generally shows an “inflection” or “shoulder.” We soug
Externí odkaz:
https://doaj.org/article/a91e661ed303436a8c319e44ca622625
Autor:
Iban Latasa, Alfredo Cordova, Gregorio Quintana-Ortí, Ana Lavilla-Oiz, Javier Navallas, Javier Rodriguez-Falces
Publikováno v:
Applied Sciences, Vol 9, Iss 3, p 589 (2019)
(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 test using 1 min exercise
Externí odkaz:
https://doaj.org/article/43ac53f916f141a98d214ba01852bdd7
Publikováno v:
European Journal of Applied Physiology.
Introduction Under isometric conditions, the increase in muscle force is accompanied by a reduction in the fibers’ length. The effects of muscle shortening on the compound muscle action potential (M wave) have so far been investigated only by compu