Parents often notice that their child’s feet look “flat” and immediately wonder whether something is wrong.
The good news is that flat feet can be completely normal in children, particularly at younger ages. But in some children, flat feet can be associated with pain, stiffness, difficulty with activities, or other foot and lower-extremity problems.
So how do you know when flat feet are simply part of normal development and when they should be evaluated?
What Are Flat Feet?
A flat foot has a lower or less visible arch when standing.
Children’s feet naturally change as they grow. Younger children may have little visible arch because of normal foot development and the soft tissue around the foot.
As children get older, the arch may become more noticeable.
Flexible vs. Rigid Flat Feet
One of the most important things your podiatrist will evaluate is whether the flat foot is flexible or rigid.
With flexible flat feet, an arch may appear when the child is sitting, standing on their toes, or when the foot is not bearing weight.
Rigid flat feet remain relatively flat regardless of position and may be associated with stiffness or limited motion.
These two situations can require very different approaches.
When Are Flat Feet a Problem?
Flat feet aren’t automatically a problem simply because the arch looks low.
We become more concerned when a child has symptoms such as:
- Foot or ankle pain
- Frequent fatigue with walking or running
- Difficulty keeping up with other children
- Recurrent ankle sprains
- Problems participating in sports
- Uneven shoe wear
- Difficulty walking normally
- Stiffness or limited motion
A child who has flat feet but is completely comfortable and active may not require treatment.
Can Flat Feet Cause Pain?
In some children, altered foot mechanics can contribute to stress on the feet, ankles, knees, or legs.
Children involved in sports may notice symptoms particularly after running, jumping, or prolonged activity.
However, foot pain should not automatically be blamed on flat feet. There are many possible causes of pediatric foot and ankle pain.
Does My Child Need Orthotics?
Not every child with flat feet needs orthotics.
When orthotics are appropriate, they may help support the foot and improve mechanics while the child is standing and walking.
The decision should be based on the child’s symptoms, foot structure, activity level, and examination—not simply on how much an arch appears to “collapse.”
Will My Child Outgrow Flat Feet?
Some children naturally develop a more defined arch as they grow, while others continue to have flat feet into adolescence and adulthood.
The important question isn’t simply “Are my child’s feet flat?”
Instead, ask:
“Are my child’s feet causing symptoms or affecting how they function?”
When Should You Have Your Child’s Feet Evaluated?
A pediatric foot evaluation is a good idea if your child has:
- Persistent foot or ankle pain
- Difficulty running or participating in sports
- Frequent ankle injuries
- Significant asymmetry between the feet
- Rigid or unusually stiff flat feet
- Problems with walking
- Symptoms that are getting worse
The Bottom Line
Flat feet are common in children and are not necessarily something that needs to be “fixed.”
Pain, stiffness, difficulty with activities, or abnormal function are much more important than appearance alone.
If you’re concerned about the way your child’s feet look or function, a podiatric evaluation can help determine whether their foot development is normal or whether treatment may be beneficial.