Medically reviewed by Dr. Tom Biernacki, DPM — Board-Certified Podiatric Surgeon — Balance Foot & Ankle, Howell & Bloomfield Hills, MI. Last updated April 2026.

Every parent of a toddler has asked this question — “Are my child’s flat feet normal?” The short answer: almost always yes, up to a certain age. Here’s what you need to know about normal arch development and the warning signs that warrant a podiatric evaluation.

Normal Arch Development in Children

All infants and toddlers have flat feet — this is completely normal. The arch is present anatomically but is hidden by a fat pad under the foot in early childhood. The arch typically becomes visible between ages 3–6 as the foot grows, the fat pad thins, and the muscles and ligaments develop. By age 6–7, most children have developed a recognizable arch.

When to expect arches to appear:

• Ages 1–2: All children appear flat-footed; arch is hidden by fat pad
• Ages 3–4: Most children begin showing some arch development
• Ages 5–7: Arch should be visible with full weight-bearing in most children
• After age 7: Persistent complete flat foot warrants evaluation

Types of Flat Feet in Children

Flexible Flat Foot

By far the most common. The arch disappears when weight-bearing but is present when sitting or standing on tiptoes. This indicates normal arch-forming ligaments and muscles — the foot is simply not rigid enough to hold the arch against gravity. Most flexible flat feet are asymptomatic and do not require treatment.

Rigid Flat Foot

The arch is absent both with and without weight-bearing, and the foot is stiff with limited subtalar motion. This may indicate tarsal coalition (bony or fibrous bar between foot bones), congenital vertical talus, or other structural problems that require prompt evaluation.

Warning Signs That Require Podiatric Evaluation

See a podiatrist if your child has flat feet combined with:

• Pain — arch pain, heel pain, ankle pain, or leg pain during or after activity
• Avoidance of activity — refusing to run, walk long distances, or participate in sports due to foot discomfort
• Stiffness — foot that cannot be manually arched when non-weight-bearing
• Shoe wear pattern — severe wear on the inner edge of shoes
• Persistent flat feet after age 7
• One foot significantly flatter than the other — asymmetric flat foot is more likely to be pathological
• Tripping frequently — flat feet cause toe-in gait in some children

Treatment Options

Asymptomatic flexible flat feet in children generally do not require treatment. There is no evidence that orthotics prevent arch development in children with flexible flat feet. For symptomatic flat feet, treatment includes:

• Custom orthotics — effective for pain relief and preventing secondary deformities
• Appropriate footwear with arch support
• Physical therapy — strengthening the intrinsic foot muscles and posterior tibial tendon
• Surgery — reserved for rigid flat foot with tarsal coalition or other structural pathology; excellent outcomes with appropriate timing

Children’s Flat Feet — When to Worry & When to Wait

Concerned about your child’s flat feet? Our podiatrists evaluate pediatric foot development and provide expert guidance on when treatment is truly needed.

Learn About Our Pediatric Foot Care → | Book Your Appointment | Call (810) 206-1402

Clinical References

1. Pfeiffer M, et al. Prevalence of flat foot in preschool-aged children. Pediatrics, 2006;118(2):634-639.
2. Mosca VS. Flexible flatfoot in children and adolescents. Journal of Children’s Orthopaedics, 2010;4(2):107-121.
3. Evans AM. The flat-footed child — to treat or not to treat. Journal of the American Podiatric Medical Association, 2008;98(5):386-393.

Dr. Tom Biernacki, DPM

Affiliate Disclosure: This page contains affiliate links to products we recommend. If you purchase through these links, Balance Foot & Ankle may earn a small commission at no additional cost to you. We only recommend products we use with our patients.

Dr. Tom Biernacki, DPM is a double board-certified podiatrist and foot & ankle surgeon at Balance Foot & Ankle Specialists in Southeast Michigan. With over a decade of clinical experience, he specializes in heel pain, bunions, diabetic foot care, sports injuries, and minimally invasive surgery. Dr. Biernacki is a member of the APMA and ACFAS, and his patient education content on MichiganFootDoctors.com and YouTube has reached over one million views.