foot 1: Bones of the human foot: a tarsus, b metatarsus, c phalanges of toes. Bones of the tarsus: 1 talus, 2 calcaneus, w tuberosity of calcaneus, 3 cuboid, 4 to 6 cuneiform bones, 7 navicular. Bones of the metatarsus: 8 to 12 first to fifth metatarsal bones, 13 sesamoids, I big toe, II to IV second to fourth toes, V little toe. Phalanges: 14 first phalanx of big toe, 15 second phalanx of big toe, 16 first phalanx of little toe, 17 second phalanx of little toe, 18 third phalanx of little toe