The fibula is the longest, thinnest calf bone in your lower leg. Of your two lower leg bones, your fibula is closest to the outside of your body. When you break this bone, it's called a fibular ...

Misaligned bone healing: If the broken bone pieces aren't aligned correctly during the healing process, the bone may not heal correctly. This can affect mobility and the appearance of the leg.

To avoid amputating the preschooler's dominant arm, Myles, 5, had a "redundant" bone from his left leg transplanted into his arm during an 18-hour surgery Now 14, he's a star basketball player and ...