SPRINGER MEDIZIN / SCIENCE PHOTO LIBRARY SPRINGER MEDIZIN / SCIENCE PHOTO LIBRARY
Foot anatomy, artwork. At upper right are the two lower leg bones, the tibia (shinbone, left) and the thinner fibula. The toes are made up of the phalanx bones (phalanges), two for the big toe (not seen) and three for the others. Metatarsal bones in the mid-foot link the phalanges to the tarsal bones. The tarsal bones include the calcaneus (heel) bone (bottom right). The muscle at bottom is the digiti minimi, which extends the little toe. On the top of the foot is the extensor digitorum brevis muscle, which acts to extend the first four toes.
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