Bland-Altman plots demonstrating the agreement between the Kinect and Vicon systems for each FPI item. A: Lateral curvature (FPI item 2). B: Calcaneal inversion/eversion (FPI item 3). C: Talo-navicular joint bulging (FPI item 4). D: Arch height (FPI item 5). E: Arch peak (FPI item 5). F: Forefoot abduction/adduction (FPI item 6). Note: LOA were not calculated for B due to the mean difference not being normally distributed.