Figure 4: Largest Lyapunov exponent and correlation dimension for anterior-posterior, medio-lateral and vertical direction of centre of mass accerelation.
From: Economy, Movement Dynamics, and Muscle Activity of Human Walking at Different Speeds
Error bars indicate between-subject standard deviation. Curve fit lines represent quadratic polynomial regression curves with r2 values indicate the percent of variance accounted for by each regression model. *Indicates significant quadratic relationship between walking speed and variable.
