How to Know Your Foot Arch Type (and Why It Matters for Shoe Selection)

Quick answer: How to know your foot arch type the right way: 1) prepare the area properly, 2) use the correct technique demonstrated by a podiatrist, 3) avoid the common mistakes that worsen the problem. We see complications in clinic from improper home care. The full step-by-step guide below shows the right method. Call (810) 206-1402.

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

Your foot arch type is one of the most important determinants of your footwear needs, injury risk profile, and orthotic requirements. Yet most people have never had their arch type properly assessed — and many are wearing the completely wrong shoe category. Here’s how to determine your arch type and what it means for you.

The Three Foot Arch Types

1. Normal Arch (Neutral Foot)

A normal arch (also called a neutral arch) shows a distinct curve along the inner foot with moderate height. During walking and running, the foot pronates (rolls inward) a normal amount — enough to absorb impact, but not so much that it strains the supporting structures.

Best for: Neutral running shoes, stability shoes for moderate mileage. Custom orthotics typically not necessary unless symptomatic.

2. Flat Arch (Overpronated / Pes Planus)

A flat arch (low arch) shows little to no curvature along the inner foot — the entire sole contacts the ground. Flat feet cause the foot to overpronate (roll excessively inward), placing stress on the plantar fascia, posterior tibial tendon, ankles, knees, and hips.

Associated conditions: Plantar fasciitis, bunions, hammertoes, posterior tibial tendon dysfunction, shin splints, knee pain

Best for: Stability or motion-control running shoes, custom orthotics with medial arch support

3. High Arch (Underpronated / Pes Cavus)

A high arch shows a pronounced curve with a narrow contact area — essentially only the heel and ball of the foot contact the ground. High-arched feet absorb shock poorly because they are rigid and do not pronate enough, creating high pressure concentration at the heel and ball of foot.

Associated conditions: Plantar fasciitis, stress fractures, metatarsalgia, Achilles tendonitis, sesamoiditis, ankle instability

Best for: Neutral or cushioned shoes (avoid motion control), custom orthotics with lateral wedging and metatarsal support

The Wet Foot Test: How to Determine Your Arch Type at Home

1. Wet the bottom of your foot thoroughly
2. Step onto a paper bag or piece of cardboard and step away
3. Examine the footprint left behind

Interpreting your result:

• Full footprint (little to no curve on the inner side) → Flat arch
• Moderate curve showing the arch area, but connected at heel and ball → Normal arch
• Very narrow connection or no connection between heel and ball (only outer edge visible) → High arch

Why Home Tests Are Limited

The wet foot test gives a rough indication of static arch height, but it doesn’t capture dynamic function — how your arch behaves during walking and running. A foot that appears to have a normal arch can still functionally overpronate severely under load. A professional biomechanical assessment by a podiatrist, which includes gait analysis, joint range of motion testing, and observation of dynamic foot function, is the only way to accurately characterize how your foot actually works.

Get a Professional Arch Assessment

Dr. Biernacki at Balance Foot & Ankle performs comprehensive foot biomechanical assessments including 3D digital foot scanning to accurately characterize your arch type and foot mechanics. This assessment drives custom orthotic design for maximum effectiveness and footwear recommendations that match your specific mechanics.

Visit Balance Foot & Ankle — Same-Day Appointments Available

Our podiatry team serves patients throughout Michigan including Howell, Brighton, and Bloomfield Township. If you’re dealing with heel pain, ingrown toenails, or a foot injury, we have same-day appointment availability.

Frequently Asked Questions

How long does this take?

Most home protocols take 5-15 minutes per session. Improvement visible in 2-4 weeks with consistent application.

When should I stop and see a doctor?

Stop and see a podiatrist if you see redness spreading, pus, increased pain, or fever. These signal infection requiring professional care.

Can I do this if I have diabetes?

Diabetic patients should consult a podiatrist before home foot care. Reduced sensation can hide complications.