Flat Feet in Children: Causes, Symptoms & Treatment Options

Watching your child struggle with foot discomfort or noticing an unusual walking pattern can be concerning for any parent. Flat feet, also known as fallen arches or pes planus, is a common condition among children in Singapore. While often harmless, understanding when flat feet may require medical attention is crucial for your child’s healthy development and active lifestyle.

Dr Zackary Chua

Senior Consultant Orthopaedic Surgeon (Adult & Paeds)

MBBS (Aus)MMed (SG)MRCS (Glasgow)FRCSEd (Orth)

Flat Feet in Children: Causes, Symptoms & Treatment Options

Types Causes & Risks Symptoms When to see a Doctor Diagnosis Treatment Complications Prevention FAQ Conclusion

What is Flat Feet in Children?

Flat feet occurs when the arch along the inside of the foot is low or not well-developed, causing more of the sole to touch the ground when standing. In children, this condition can affect the foot’s natural shock-absorbing mechanism and may influence their gait (walking pattern) and overall posture.

Most children are born with flat feet, as the arch typically develops gradually during the first decade of life. In Singapore and across Asia, the prevalence remains consistent with global statistics, though certain populations may show slightly higher rates due to genetic factors.

Types of Flat Feet in Children

Flexible Flat Feet

This is the most common type in children, where the arch appears when the child stands on tiptoes or when the foot is not bearing weight. The arch disappears when standing normally. Flexible flat feet typically don’t cause pain and may improve as the child grows. The foot usually remains mobile and functions normally during activities.

Rigid Flat Feet

Less common but more concerning, rigid flat feet show no arch formation regardless of position. The foot remains flat whether bearing weight or not. This type may indicate underlying bone or joint problems and can sometimes cause discomfort or pain. Children with rigid flat feet may experience difficulty with physical activities and may require earlier medical assessment.

Flat Feet with Tight Achilles Tendon

Some children develop flat feet alongside a shortened or tight Achilles tendon (the large tendon connecting calf muscles to the heel). This combination may limit ankle flexibility and may cause the heel to lift early when walking. These children sometimes walk on their toes and may experience calf muscle fatigue during activities.

Causes

Normal developmental variation: Most infants have flat feet due to fat padding and ligament laxity
Genetic factors: Family history of flat feet may increase the likelihood
Connective tissue disorders: Conditions affecting collagen production
Neurological conditions: Such as cerebral palsy or muscular dystrophy
Tarsal coalition: Abnormal connection between foot bones
Injury or trauma: Damage to foot tendons or bones

Risk Factors

Family history: Children with parents having flat feet may have a higher risk
Obesity: Excess body weight places additional stress on developing arches
Hypermobility syndromes: Excessive joint flexibility
Premature birth: Underdeveloped musculoskeletal system
Down syndrome: Associated with ligament laxity
Ethnicity: Studies suggest that prevalence may vary slightly across different populations

Signs & Symptoms

Mild Symptoms

Feet may appear flat when standing
Shoes may wear out unevenly, especially on inner edges
Mild fatigue after walking or running
Preference for sedentary activities
Occasional complaints of “tired feet”

Moderate Symptoms

Pain in feet, particularly in the arch or heel area
Ankle pain or swelling after activities
Difficulty keeping up with peers during sports
Leg cramps, especially at night
Changes in walking pattern to avoid discomfort
Reluctance to participate in physical activities

Severe Symptoms

Persistent pain even with minimal activity
Changes in foot shape or positioning may be noticed
Inability to rise on tiptoes
Significant limping or altered gait
Pain extending to knees, hips, or lower back
Swelling that may not improve with rest

Symptoms may become noticeable when children start walking more independently, usually between ages 2-6. The progression varies and while some children may show improvement as they grow, others may continue to experience discomfort.

If you are concerned about your child’s foot development, consult a healthcare professional

Our Senior Consultant Orthopaedic Surgeon is available to provide an assessment and discuss management options.

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When to See a Doctor

Parents may consider seeking medical evaluation if their child experiences persistent foot or ankle pain, especially if it interferes with daily activities or sports participation. Symptoms that may need prompt medical attention include severe pain, sudden onset of symptoms, visible deformity, or inability to bear weight on the affected foot.

Assessment may be helpful if parents first notice concerning symptoms or if flat feet persist beyond age 6-8 without improvement. During the consultation, the doctor will observe your child’s feet, assess their walking pattern, and may perform simple tests to determine flexibility and function. Early intervention often leads to positive outcomes and can prevent long-term complications.

Diagnosis & Testing Methods

The doctor may inspect your child’s feet from multiple angles, checking for arch formation when sitting versus standing. The “wet footprint test” may also be used, where your child steps on paper with wet feet to visualise the contact pattern.

X-rays may be taken to evaluate bone structure and alignment, which can be particularly useful for rigid flat feet or when underlying bone abnormalities are suspected. These images may show the angular relationships between foot bones and may help identify conditions like tarsal coalition. In complex cases, CT or MRI scans may be considered for detailed assessment of bones and soft tissues. Gait analysis using specialised equipment may also be performed to assess walking patterns and identify compensatory movements.

Treatment Options Overview

Conservative Management

Most children with flexible flat feet respond well to conservative approaches. This includes activity modification to reduce symptoms while maintaining fitness levels. Proper footwear selection may be helpful, with supportive shoes featuring firm heel counters and adequate arch support recommended for daily wear.

Orthotic Devices

Custom or prefabricated shoe inserts (orthotics) help support the arch and improve foot alignment. These devices redistribute pressure across the foot and may help reduce discomfort. Children typically require new orthotics as their feet grow, with reassessment every 6-12 months.

Physiotherapy

Structured exercise programmes strengthen foot muscles and improve flexibility. Physiotherapists teach specific exercises targeting intrinsic foot muscles, calf stretches for tight Achilles tendons, and balance training. Parents learn home exercise routines to support their child’s progress between sessions.

Medications

Anti-inflammatory medications may be recommended for pain management during acute flare-ups. These are typically used short-term and in conjunction with other treatments. Topical preparations can provide localised relief without systemic effects.

Casting or Bracing

For severe cases or specific underlying conditions, serial casting may help stretch tight structures and support foot alignment. Night splints or ankle-foot orthoses (AFOs) might be recommended to maintain correction and prevent deformity progression.

Surgical Interventions

Surgery is rarely needed and reserved for severe, symptomatic cases unresponsive to conservative treatment. Procedures may include tendon transfers to restore arch support, osteotomies to realign bones, or arthrodesis for severe deformities. Minimally invasive techniques like arthroereisis (sinus tarsi implant) may be considered for certain cases.

Every patient’s condition is unique.

Our Senior Consultant Orthopaedic Surgeon can assess your child and provide guidance on potential management options.

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Complications if Left Untreated

Untreated symptomatic flat feet may contribute to chronic pain patterns affecting feet, ankles, knees, hips, and lower back. Children may develop abnormal walking patterns to compensate for discomfort, potentially causing muscle imbalances and joint stress throughout the lower extremities.

Long-term complications may include early onset arthritis in foot and ankle joints, bunions, hammertoes, and plantar fasciitis. The altered biomechanics can impact sports performance and limit activity choices during crucial developmental years.

Prevention

While genetic flat feet cannot be prevented, several measures can minimise symptoms and promote healthy foot development. Encouraging barefoot walking on safe surfaces may help strengthen foot muscles naturally. Maintaining healthy body weight may help to reduce excessive stress on developing feet.

Regular physical activity, particularly activities like swimming that don’t overload the feet, may promote overall musculoskeletal health. Choosing appropriate footwear with adequate support for different activities may help provide support during different activities. Avoiding hand-me-down shoes ensures proper fit and support. Regular foot assessments during growth spurts can help identify changes requiring intervention.

Flat Feet

Frequently Asked Questions

Will my child’s flat feet improve as they grow older?

Many children with flexible flat feet tend to see natural improvement as they grow. The arch typically develops between ages 3-10, with most children showing adult foot structure by age 10. Some children retain flat feet into adulthood. Regular monitoring helps determine if intervention is needed, particularly if symptoms develop or persist.

Can flat feet affect my child’s sports participation?

Most children with flat feet can participate fully in sports and physical activities. Flexible flat feet without symptoms rarely limit athletic performance. Symptomatic flat feet may cause discomfort during high-impact activities. Proper footwear, orthotics, and conditioning exercises often allow children to remain active. Your doctor can provide specific guidance based on your child’s condition and chosen activities.

Are special shoes or orthotics always necessary for flat feet?

Not all children with flat feet require special interventions. Asymptomatic flexible flat feet often need no treatment beyond appropriate footwear for activities. Orthotics are typically recommended when children experience pain, fatigue, or functional limitations. Custom devices may be prescribed for more severe cases, while over-the-counter inserts suffice for mild symptoms. Regular reassessment helps to ensure treatment matches your child’s changing needs.

What’s the difference between flexible and rigid flat feet?

Flexible flat feet usually shows an arch when the child stands on tiptoes or when the foot is non-weight bearing, disappearing only when standing normally. This type is usually painless and often improves with age. Rigid flat feet remain flat regardless of position and often indicate underlying structural problems. Rigid flat feet typically cause more symptoms and may require earlier, more aggressive treatment.

When should I be concerned about my child’s flat feet?

Consider seeking medical evaluation if your child experiences foot or ankle pain, shows reluctance to participate in physical activities, develops an abnormal walking pattern, or if one foot appears significantly different from the other. You may consult a doctor if flat feet persist beyond age 8 without improvement, or if you notice swelling, redness, or other concerning changes.

Can exercises really help improve flat feet?

Targeted exercises can strengthen the muscles supporting the foot arch and improve overall foot function. While exercises may not create an arch where none exists structurally, they can reduce symptoms, improve balance, and enhance foot mechanics. Consistency is key, with exercises performed regularly showing positive results. An orthopaedic surgeon can design an age-appropriate programme for your child.

Is surgery ever needed for childhood flat feet?

Surgery is rarely necessary and typically reserved for severe cases with persistent pain despite conservative treatment, rigid flat feet with underlying bone abnormalities, or progressive deformity threatening long-term function. Most surgical procedures are postponed until skeletal maturity unless earlier intervention is crucial.

How do I choose the right shoes for my child with flat feet?

Look for shoes with firm heel counters that prevent excessive pronation, adequate arch support without being overly rigid, sufficient toe box width, and flexible forefoot areas. Avoid completely flat shoes like flip-flops for extended wear. Athletic shoes should match the specific sport’s demands while providing appropriate support. Replace worn shoes promptly as they lose their supportive properties.

Conclusion

Flat feet in children is a common condition that often resolves naturally with growth and development. While most cases require no treatment, understanding the signs that warrant medical attention can help with timely intervention when needed. With proper assessment and appropriate management, children with flat feet can enjoy active, pain-free lives and participate fully in their chosen activities.

Take the First Step Towards Better Health

Living with flat feet doesn’t have to limit your child’s potential. Our Senior Consultant Orthopaedic Surgeon has considerable experience diagnosing and treating flat feet in children using current evidence-based approaches.

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Dr Zackary Chua (蔡克祥医生)

Senior Consultant Orthopaedic Surgeon (Adult & Paeds)

MBBS (AUS)|MMed (Singapore)|MRCS (Glasgow)|FRCSEd (Orth)

A senior consultant orthopaedic surgeon with dual specialisations in Foot & Ankle Surgery and Paediatric Orthopaedics. Backed by his extensive years of training and experience, Dr Chua brings the necessary knowledge and skills to ensure a smooth recovery journey.

Rooted firmly by two fundamental philosophies: “When one’s feet hurt, one hurts all over” and “Children are not little adults”, Dr Chua’s approach to patient care reflects his compassionate care for adults and children.

Singhealth Quality Excellence Award – Silver (2011)
Service From the Heart Award (2021)
Singapore Health Quality Service Award – Gold (2023)
NUS Medicine Dean’s Award for Teaching Excellence (2023)

His active participation in the medical community extends to mentoring, research supervision, and contributions to key professional forums and symposiums, both locally and internationally.