Fig. 12-31 A, Dorsoplantar view of the foot. At least a portion of all seven tarsal bones can be identified. Note the os tibiale externum (arrow) near the tuberosity of the navicular. Note also the sesamoid bones below the head of the first metatarsal. B, lateral view of the foot. Note the navicular and its tuberosity (overlapped by the head of the talus), the cuboid, a peroneal sesamoid, and the tuberosity of the fifth metatarsal. The numerals 1, 2, and 3 indicate the lines of the first, second, and third cuneometatarsal joints, respectively. C, Oblique view of the foot. Note the region where the calcaneus may meet the navicular. A peroneal sesamoid (arrow) is visible near the tuberosity of the cuboid. (Courtesy of V. C. Johnson, M.D., Detroit, Michigan.) Click for high resolution image.

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