What Is Flatfoot?
Flatfoot is often a complex disorder, with diverse symptoms and varying degrees of deformity and disability. There are several types of flatfoot, all of which have one characteristic in common—partial or total collapse (loss) of the arch.

Other characteristics shared by most types of flatfoot include:

Health problems such as rheumatoid arthritis or diabetes sometimes increase the risk of developing flatfoot. In addition, adults who are overweight frequently have flatfoot.

Flexible Flatfoot
Flexible flatfoot is one of the most common types of flatfoot. It typically begins in childhood or adolescence and continues into adulthood. It usually occurs in both feet and generally progresses in severity throughout the adult years. As the deformity worsens, the soft tissues (tendons and ligaments) of the arch may stretch or tear and can become inflamed.

The term “flexible” means that while the foot is flat when standing (weight-bearing), the arch returns when not standing. In the early stages of flexible flatfoot arthritis is not restricting motion of the arch and foot, but in the later stages arthritis may develop to such a point that the arch and foot become stiff.

Symptoms, which may occur in some persons with flexible flatfoot, include:

Diagnosis Flexible Flatfoot
In diagnosing flatfoot, the podiatric foot and ankle surgeon examines the foot and observes how it looks when you stand and sit. X-rays are usually taken to determine the severity of the disorder. If you are diagnosed with flexible flatfoot but you don’t have any symptoms, your podiatric surgeon will explain what you might expect in the future.

Treatment Options
If you experience symptoms with flexible flatfoot, the podiatric surgeon may recommend various treatment options, including:

Flatfoot Surgery
A variety of surgical techniques is available to correct flexible flatfoot. Your case may require one procedure or a combination of procedures. All of these surgical techniques are aimed at relieving the symptoms and improving foot function. Among these procedures are tendon transfers or tendon lengthening procedures, realignment of one or more bones, joint fusions, or insertion of implant devices.

In selecting the procedure or combination of procedures for your particular case, the podiatric surgeon will take into consideration the extent of your deformity based on the x-ray findings, your age, your activity level, and other factors. The length of the recovery period will vary, depending on the procedure or procedures performed.

This information has been prepared by the Consumer Education Committee of the American College of Foot and Ankle Surgeons, a professional society of 5,700 podiatric foot and ankle surgeons. Members of the College are Doctors of Podiatric Medicine who have received additional training through surgical residency programs. The mission of the College is to promote superior care of foot and ankle surgical patients through education, research and the promotion of the highest professional standards. Copyright © 2004, American College of Foot and Ankle Surgeons, www.acfas.org