Foot pain is very common. About 75% of people in the United States have foot pain at some time in their lives. Most foot pain is caused by shoes that do not fit properly or that force the feet into unnatural shapes (such as pointed-toe, high-heeled shoes).
The foot is a complex structure of 26 bones and 33 joints, layered with an intertwining web of more than 120 muscles, ligaments, and nerves. It serves the following functions: