Related Questions

What causes fallen arches? Do arch supports in shoes prevent it getting worse?

To a degree. Arch is held up by static structures( shape of bones, ligaments) and dynamic structures( muscles of the foot and tendons). In a normal flexible foot arch flattens when your foot hits the ground, and the arch increases as you toe-off . An arch support is just that something that supports the arch. If it is falling because of a tendon rupture it is unlikely to prevent it from continuing to worsen. Read more...
Hereditary. Many people are born with flat feet, some diseases can affect the arches. Orthotics will sometimes delay and help the foot from getting worse. Read more...