Flat Feet (Fallen Arches)
Flatfoot / pes planus (acquired)
Understanding flat feet
Flat feet (fallen arches) means the arch of the foot is low or flattens when you stand. Here''s the most important thing to know: huge numbers of people have flat feet and never have a single problem — flat feet aren''t a disease or something that always needs "fixing." But when they cause symptoms — aching arches, tired feet, or inner-ankle strain — strengthening the muscles that support the arch and giving it some support makes a real difference, which is what this program is for.
The reassuring outlook
When flat feet ache, they respond well to strengthening the foot and the arch-supporting muscles (especially the posterior tibial tendon behind the inner ankle) plus a supportive shoe or arch insert. You don''t need a "perfect" arch to be comfortable — a strong, well-supported foot is the goal, and most people get there.
What you might be feeling
When flat feet cause symptoms, you might notice aching arches or inner ankle, feet that tire easily with standing or walking, and sometimes the arch visibly flattening or shoes wearing unevenly. It usually eases as the foot strengthens and is supported. If anything new or unexpected comes up, or you''re unsure how you''re doing, your care team is the best place to check.
The key: strengthen the arch + support it
Two things help: strengthening the foot from the inside (the small "short foot" muscles that lift the arch) and the posterior tibial tendon (heel raises and turning the foot inward) that supports it; and a supportive shoe or arch insert that gives the arch a hand, especially for long days. Strong, supported feet are comfortable feet.
How this program is built
It centers on the "short foot" arch strengthening, builds heel raises and inversion (for the posterior tibial tendon), and adds balance — paired with supportive footwear. Let comfort lead; build the strengthening gradually.
Staying comfortable day to day
A supportive shoe with good arch support — or an off-the-shelf or custom arch insert — eases tired, aching flat feet, especially for long days on your feet. Build up the foot-strengthening so your own muscles share more of the support over time. Avoid long stretches barefoot on hard floors if it aggravates them.
When it flares
When the feet are more tired or achy: ease off the standing/walking for a bit, make sure your arch support is doing its job, and keep the strengthening going at a comfortable level. Flat feet that ache usually settle quickly with support and a little rest.
Tracking how you''re doing
Your quick daily check-in gives you and your care team a shared view of how things are trending — a simple way to see progress and keep your care team in the loop. It is not a monitoring or warning system.
This guide is general education, not medical advice, and doesn't replace evaluation by a licensed provider. For urgent symptoms, contact your care team or call 911.