Treatment in adults generally consists of wearing spacious, comfortable shoes with good arch support.
Most children are flat-footed until they are between the ages of 3 and 5 when their longitudinal arch develops normally. One foot or both feet may be affected.Ĭhildren as well as adults may be flat-footed. Flatfoot (pes planus) is a condition in which the longitudinal arch in the foot, which runs lengthwise along the sole of the foot, has not developed normally and is lowered or flattened out.