10.1371/journal.pone.0126888.g004 Carolina Avancini Carolina Avancini Liliam F. de Oliveira Liliam F. de Oliveira Luciano L. Menegaldo Luciano L. Menegaldo Taian M. Vieira Taian M. Vieira Changes in the spatial distribution of RMS values with knee position. Public Library of Science 2015 knee joint angle pennation angle Medial Gastrocnemius Fibres EMG amplitude distribution knee position 90 degrees flexion MG fibre length fibre length isometric plantar flexion MG muscle 2015-05-22 03:44:13 Figure https://plos.figshare.com/articles/figure/_Changes_in_the_spatial_distribution_of_RMS_values_with_knee_position_/1424235 <p>Median values and inter-quartile intervals are shown for the RMS amplitude (<i>a</i>), the <i>active channels</i> (<i>b</i>) and the barycentre coordinate (<i>c</i>). These variables were respectively normalised with respect to the maximal RMS value obtained at 100% MVC attempts performed during knee extended position, the total number of channels located over the MG superficial aponeurosis and the distance between the femoral condyle and the distal extremity of the superficial aponeurosis (see <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0126888#pone.0126888.g001" target="_blank">Fig 1</a>). Asterisks denote statistical significance at <i>P</i><0.05.</p>