... were 90, 80, and 60% for the windows of 10, 5, and 2.5 s respectively. Estimations of the Hurst exponent werethen calculated using DFA and SDA (HS and HL) methods.Examples of SDA and DFA plots ... stepping onto and off the force plate.Estimations of H were made using sliding windows of 10, 5, and 2.5 s durations, with windows slidforward in 1-s increments. Multivariate analysis of variance ... calculated for analysis windows of 2.5, 5, and 10 s, and analysis com-menced as soon as subjects had their two feet on the plat-form. In contrast Norris and colleagues imposed astandardised foot...