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Figure 8


Fig. 8. Frictional conditions in locomotion. (A) Typical plot of the required coefficient of friction (µreq) in M. domestica (1.78 m s–1) on the level trackway. Broken line represents the median value of µreq. (B) Box plots of the median required coefficient of friction for each substrate and limb pair. Asterisk, outlier; circle, extreme outlier.