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Why Arch Supports Hurt Flat Feet and How to Relieve the Pain

Flat feet causing pain? Discover why arch supports might be the problem, not the solution. Learn how to find the right support for happy feet.

Joel Taylor
By Joel Taylor
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Edited by Caitlin Snethlage

Updated August 14, 2024.

A woman sitting on a couch holding a pair of shoes.

Arch supports are often recommended for flat-foot individuals to alleviate discomfort and improve foot structure. But, surprisingly, these supports can sometimes cause pain. This unexpected discomfort can be confusing. What's really going on?

Discover the reasons behind this frustrating issue and learn how to find the perfect arch support for your feet.

» Experience ultimate arch support with the best insoles for flat feet



Understanding Flat Feet

Flat feet, also known as pes planus or fallen arches, occur when the arch collapses, causing the entire sole to contact the ground. While some people with flat feet experience no issues, others may suffer from pain in their feet, ankles, knees, hips, or lower back.

» Check out the top physical therapist approved insoles for flat feet

Why Arch Supports Can Cause Pain

When someone with flat feet suddenly introduces arch supports, it can lead to discomfort for several reasons:

  • Change in Structure: Flat feet have adapted to function without an arch. Introducing an arch support forces the foot into an unfamiliar position, which can cause strain on muscles and ligaments that aren't used to this new alignment.
  • Pressure on Sensitive Areas: The arch support may create pressure points on parts of the foot that aren't accustomed to bearing weight, leading to soreness or pain.
  • Muscle Fatigue: The muscles in flat feet may be weaker or less developed in certain areas. Arch supports can force these muscles to work in new ways, leading to fatigue and discomfort.
  • Overcorrection: Sometimes, arch supports may be too high or rigid, overcorrecting the problem and causing more harm than good.

While insoles usually take some getting used to, your pain level should never be worse than before wearing them.

» Flat feet slowing you down? Check out the best insoles for cycling

How to Fix Painful Insoles

Over-the-counter insoles might not provide adequate relief for persistent foot pain. While they can offer temporary comfort, those with conditions like flat feet often require more specialized support.

Custom orthotics, designed specifically for your feet, offer superior benefits such as improved alignment, pain reduction, and enhanced foot function. But, in certain situations, even custom orthotics may need adjustments.

If your discomfort persists, consult a podiatrist to determine the underlying cause and develop a suitable treatment plan.

» Discover the perfect arch support for your flat feet with our custom insoles