Fig. 7

a Schematic drawings of the arterial supply of the navicular bone (modified with permission from Rijkenhuizen et al. [16]). Arteries entering from four different directions illustrated in colours. b Diagram of the suggested arterial anatomy of the navicular bone (modified with permission from Rijkenhuizen et al. [16]). The red coloured areas indicate the parts of the navicular bone that receive arteries from only one direction. The light green coloured areas receive arteries from two directions and the dark green coloured areas from three directions