Pes planus is a condition in which the arch or instep of the foot collapses and comes in contact with the ground. In some individuals, this arch never develops while they are growing. Alternative names include pes planovalgus, flat feet, fallen arches, pronation of the feet.
Aging, injury, overuse, or illness can result in fallen arches or a fallen arch on one side. Diabetes. Obesity. Pregnancy. Nerve conditions. Foot abnormalities present since birth. Broken or dislocated bones in the foot. Stretched or torn tendons. Medical conditions such as arthritis. Sudden weight gain
It?s possible to have fallen arches and experience no symptoms whatsoever. But many people do notice some problems with this condition. Their feet, back and legs ache. Standing on their toes is difficult, if not impossible, and they note swelling around the arch and heel.
Diagnosis of flat feet or fallen arches can be made by your health practitioner and is based on the following. Clinical assessment involving visual gait assessment, as well as biomechanical assessment. A detailed family and medical history. A pain history assessment determining the location of painful symptoms. Physical palpation of the feet and painful areas. Imaging such as MRI or x-ray can be used by your practitioner to assist in the diagnosis.
Non Surgical Treatment
If you have flat feet (pes planus) it does not mean you will have problems or pain. Flat feet are a common condition. Flat feet are defined as an abnormal lowering of the medial longitudinal arch. There is often a hereditary component to the development of flat feet. Flat feet are more common in certain ethnic groups. Flat feet usually occurs equally in both feet and become apparent at an early age. Flat feet can initially be asymptomatic, but can become progressively symptomatic with age. Some flat feet never become bothersome. The medial arch is unstable in flexible flatfoot. The foot can bend as the heel lifts of the ground. This creates stress on the surrounding soft-tissues and joints creating tired, sore arches. The instability of the foot can create abnormal stress that flows up the leg which results in pain in the legs, knees, hips and lower back. Patients with flat feet often present to the chiropodist/podiatrist with problems that are indirectly caused by their foot structure.
Common indications for surgery are cerebral palsy with an equinovalgus foot, to prevent progression and breakdown of the midfoot. Rigid and painful Pes Planus. To prevent progression, eg with a Charcot joint. Tibialis posterior dysfunction, where non-surgical treatment is unsuccessful. Possible surgical procedures include Achilles tendon lengthening. Calcaneal osteotomy, to re-align the hindfoot. Reconstruction of the tibialis posterior tendon. For severe midfoot collapse of the arch, triple arthrodesis may be indicated.
Well-fitted shoes with good arch support may help prevent flat feet. Maintaining a healthy weight may also lower wear and tear on the arches.