Over-Pronation (Flat Feet)

Definition

Over-pronation, or flat feet, is a common biomechanical problem that occurs in the walking process when a person’s arch collapses upon weight bearing.  This motion can cause extreme stress or inflammation on the plantar fascia, possibly causing severe discomfort and leading to other foot problems.

Cause

Over-pronation is very prominent in people who have flexible, flat feet.  The framework of the foot begins to collapse, causing the foot to flatten and adding additional stress to other parts of the foot.  Therefore over-pronation can often lead to a case of Plantar Fasciitis, Heel Spurs, Metatarsalgia, Post-tib Tendonitis and/or Bunions.

There are many causes of flat feet.  Obesity, pregnancy or repetitive pounding on a hard surface can weaken the arch leading to over-pronation.  People with flat feet often do not experience discomfort immediately, and some never suffer from any discomfort at all.  However, when symptoms develop and become painful, walking becomes awkward and causes increased strain on the feet and calves.

Treatment and Prevention

Over-Pronation can be treated conservatively (non-surgical treatments) with over-the-counter orthotics. These orthotics should be designed with appropriate arch support and medial rearfoot posting to prevent the over-pronation.

Footwear should also be examined to ensure there is a proper fit.  Footwear with a firm heel counter is often recommended for extra support and stability.  Improper fitting footwear can lead to additional problems of the foot.

If problem persists, consult your foot doctor.

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