Standing lateral images of the left foot together with oblique images in this 10 year old with left flat foot clinically. Alignment of mid and hind feet looks to be normal. There is however evidence of calcaneal-navicular coalition on the left associated with both talar and calcaneal beaking. (Image courtesy of Robyn Cairns, MD).
Houghton Pediatric Rheumatology 2008 6:6 doi:10.1186/1546-0096-6-6