Corrigendum to "Quantifying lower limb inter-joint coordination and coordination variability after four-month wearing arch support foot orthoses in children with flexible flat feet" [Human Movement Science 70 (2020) 102593]

The authors regret: The first line under section 2.4 Calculation of coordination and coordination variability should read: • ‘The following equations are based on the step by step approach devised and reported by Needham et al. (2014)’. • Cite Chang et al. (2008) in addition to Sparrow et al. (1987) for equation, 4. Chang et al. (2008) already cited in paper. • Cite Batschelet (1981) in addition to Hamill et al., (2000). Batschelet, E., 1981. Circular Statistics in Biology. Academic Press, New York. The authors would like to apologise for any inconvenience caused.