Kaufman, Miron; Zurcher, Ulrich; Sung, Paul S. - In: Physica A: Statistical Mechanics and its Applications 386 (2007) 2, pp. 698-707
A nonlinear analysis based on Renyi entropy is applied to electromyography (EMG) time series from back muscles. The time dependence of the entropy of the EMG signal exhibits a crossover from a subdiffusive regime at short times to a plateau at longer times. We argue that this behavior...