Recent Submissions

  • Sarcomere disruptions of slow fibres resulting from mountain ultramarathon 

    Carmona, Gerard; Roca, Emma; Guerrero, Mario; Cussó, Roser; Irurtia Amigo, Alfredo; Nescolarde Selva, Lexa Digna; Brotons, Daniel; Bedini, José Luis; Cadefau, Joan (2015-11-02)
    Article
    Open Access
    Objective: To investigate changes after a mountain ultramarathon (MUM) in the serum concentration of fast (FM) and slow (SM) myosin isoforms, which are fiber-type-specific sarcomere proteins. The changes were compared ...
  • A methodology to quantify the differences between alternative methods of heart rate variability measurement 

    García González, Miguel Ángel; Fernández Chimeno, Mireya; Guede Fernández, Federico; Ferrer Mileo, Víctor; Argelagós Palou, Ariadna; Álvarez Gómez, Laura; Parrado Romero, Eva; Moreno Sánchez, Jordi; Capdevila, Lluis; Ramos Castro, Juan José (Institute of Physics (IOP), 2015-12-14)
    Article
    Open Access
    This work proposes a systematic procedure to report the differences between heart rate variability time series obtained from alternative measurements reporting the spread and mean of the differences as well as the agreement ...
  • Interpulse multifrequency electrical impedance measurements during electroporation of adherent differentiated myotubes 

    García Sánchez, Tomás; Azan, Antoine; Leray, Isabelle; Rosell Ferrer, Francisco Javier; Bragós Bardia, Ramon; Mir, Lluís M. (2015-10-01)
    Article
    Restricted access - publisher's policy
    In this study, electrical impedance spectroscopy measurements are performed during electroporation of monolayers of differentiated myotubes. The time resolution of the system (1 spectrum/ms) enable 860 full spectra (21 ...
  • On the statistical properties of the peak detection for time-domain EMI measurements 

    Azpúrua Auyanet, Barón Marco Aurelio; Pous Solà, Marc; Silva Martínez, Fernando (2015-07-12)
    Article
    Restricted access - publisher's policy
    This paper presents a discussion on the inherent characteristics of the measurements performed with time-domain electromagnetic interference measurement systems in regards of the detection of the maximum emissions levels. ...
  • Effect of vibration frequency on agonist and antagonist arm muscle activity 

    Rodríguez Jiménez, Sergio; Benítez Herrera, Adolfo; García González, Miguel Ángel; Moras-Feliu, Gerard; Maffiuletti, Nicola A. (2015-01-23)
    Article
    Restricted access - publisher's policy
    Purpose 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 ...
  • Improving time-domain EMI measurements through digital signal processing 

    Azpúrua Auyanet, Barón Marco Aurelio; Pous Solà, Marc; Cakir, S.; Silva Martínez, Fernando; Cetinta, M. (2015-07)
    Article
    Restricted access - publisher's policy
    This article is intended to provide a set of recommended practices for improving of the Time-Domain EMI measurement systems by means of digital signal processing. We have focused on two major aspects: the optimal configuration ...
  • Improved assessment of fibre content and orientation with inductive method in SFRC 

    Pialarissi Cavalaro, Sergio Henrique; López Carreño, Rubén-Daniel; Torrents Dolz, Josep M.; Aguado de Cea, Antonio (2015-06)
    Article
    Restricted access - publisher's policy
    The inductive method is a robust and simple non-destructive test to assess the content and the distribution of steel fibres in FRC. Despite the advantages in comparison with other methods, further studies are still needed ...
  • tidal volume monitoring by electrical impedance tomography (EIT) using different regions of interest (ROI): calibration equations 

    Balleza Ordaz, José Marco; Vargas Luna, Miguel; Pérez Alday, Erick Andrés; Riu Costa, Pere Joan (2015-04-01)
    Article
    Restricted access - publisher's policy
    set of calibration equations was previously obtained to transform the lung impedance changes obtained by electrical impedance tomography (EIT), using all frame's elements, into a measurable volume signal. In order to study ...
  • An application of fractional differintegration to heart rate variability time series 

    García González, Miguel Ángel; Fernández Chimeno, Mireya; Ramos Castro, Juan José; Capdevila, Lluis; Parrado, Eva (2013-07)
    Article
    Restricted access - publisher's policy
    Fractional differintegration is used as a new tool to characterize heart rate variability time series. This paper proposes and focuses in two indexes (ac and fnQ) derived from the fractional differintegration operator. ...
  • The influence of preset frequency, loading condition, and exercise type on the mechanical behavior of a novel vibratory bar 

    Rodríguez Jiménez, Sergio; Benítez Herrera, Adolfo; García González, Miguel Ángel; Moras-Feliu, Gerard; Maffiuletti, Nicola (2014-04)
    Article
    Restricted access - publisher's policy
    Rodríguez-Jiménez, S, Benitez, A, González, MÁG, Feliu, GM, and Maffiuletti, NA. The influence of preset frequency, loading condition, and exercise type on the mechanical behavior of a novel vibratory bar. J Strength Cond ...

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