... matrix.To that end, the columns marked ψ show the coeffi-cient of variation, which is the ratio of the standarddeviation of the mean of a feature versus the meanvariability of the feature overall, ... function of both the size and number of the active muscle fibres as well as the distance between these fibres and the electrode surface. As thesefactors combine multiplicatively, the distribution of observed ... [33], the cathode was moved over the musclebelly until the motor point region was determined. The skin above the motor point, the radial styloid process and the dorsum of the hand of the test...