Three bones make up the ankle joint. These are the shinbone (tibia), the smaller bone
in your leg (fibula), and a bone in your foot (talus).
Different kinds of injury can damage the lower tibia, lower fibula, or talus. In some
cases, only one of these bones might break. Or you may have a break in two or more
of these bones. The bones may break, but the pieces are still lined up correctly.
Or they may be broken and not lined up correctly.