Pediatric Foot Care: A Parent’s Guide to Children’s Foot Problems

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Pediatric Foot Care: When Your Child Needs a Podiatrist — And When They Don’t

Flat feet, in-toeing, heel pain, and developmental milestones — evidence-based guidance for parents.

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Normal Foot Development: What’s Actually Expected

The pediatric foot is not a miniature adult foot. It is a developing structure undergoing predictable anatomical and functional changes through early adulthood. Much of what alarms parents is entirely within normal developmental parameters. Understanding the milestones prevents unnecessary worry — and unnecessary treatment.

• Birth to 12 months: All newborn feet are flat — the longitudinal arch is filled with fat and ligaments are lax. The talar head is prominent medially; this is normal anatomy, not pathology. Weight-bearing typically begins at 9–12 months.
• 12–24 months: Early walkers have a wide-based, toddling gait with feet externally rotated — this is normal. Flat feet in toddlers are physiologically normal. The arch is often not visible because of the plantar fat pad.
• 2–6 years: Gradual arch development as fat pad thins, intrinsic foot muscles strengthen, and ligament laxity normalizes. In-toeing (from internal tibial torsion or metatarsus adductus) peaks at age 2–3 and typically self-corrects by age 6–8.
• 6–10 years: Arch typically well-established. Gait should appear adult-like. Sever’s disease (calcaneal apophysitis) peaks at ages 8–14, correlating with rapid growth plate ossification.
• Adolescence: Growth plate activity continues through mid-teens. Apophyseal injuries (Sever’s, Iselin’s — base of 5th metatarsal) are common during growth spurts. Deformity identified and untreated in childhood tends to worsen through skeletal maturity.

Flexible Flatfoot (Pes Planus): Normal vs. Pathological

Flexible flatfoot is the single most common reason parents bring children to a podiatrist — and in the majority of cases, no treatment beyond reassurance is needed. The critical distinction is between flexible flatfoot and rigid flatfoot.

Flexible flatfoot: An arch is present when non-weight-bearing (tiptoe test — Jack test) and disappears when weight-bearing. This indicates normal ligamentous laxity without structural abnormality. Studies consistently show that flexible flatfoot spontaneously normalizes in over 90% of children by age 6 without intervention. Treatment is indicated only when there is associated pain, activity limitation, excessive shoe wear, or functional gait deviation.

Rigid flatfoot: The foot remains flat in all positions — weight-bearing and non-weight-bearing. The heel does not invert with tiptoe standing. This pattern indicates structural pathology and requires investigation. Differential diagnosis of rigid flatfoot in a child:

• Tarsal coalition: Abnormal bony, cartilaginous, or fibrous fusion between two or more tarsal bones — most commonly calcaneonavicular or talocalcaneal (middle facet). Prevalence approximately 1–2% of the population; often bilateral. Coalition becomes symptomatic as it ossifies in adolescence (calcaneonavicular: age 8–12; talocalcaneal: age 12–16). Presents as peroneal spastic flatfoot — a rigid flatfoot with involuntary peroneal muscle guarding, reduced subtalar motion, and activity-related pain. CT is the gold standard for diagnosis. Surgical resection with fat graft or muscle interposition is the primary treatment for symptomatic coalition; subtalar or triple arthrodesis reserved for severe deformity.
• Vertical talus (congenital rocker-bottom foot): Rare; diagnosed at birth. The talus is in extreme plantarflexion and the navicular is dorsally dislocated. Requires surgical correction (Dobbs method — serial casting followed by percutaneous pin fixation, analogous to Ponseti for clubfoot).
• Skew foot: Forefoot adductus combined with hindfoot valgus — the forefoot and hindfoot deviate in opposite directions. Often under-recognized on clinical examination; AP weight-bearing X-ray is diagnostic.

In-Toeing: Causes and When to Treat

In-toeing (pigeon-toed gait) has three anatomical causes at different levels of the lower extremity — and the level determines both the natural history and the treatment:

• Metatarsus adductus: Medial deviation of the forefoot on the hindfoot. The most common foot deformity in newborns. Graded on flexibility (passively correctable vs. rigid). Flexible metatarsus adductus: over 90% resolves spontaneously by age 3–4. Rigid metatarsus adductus persisting past age 6 months: serial casting using Ponseti-like technique, followed by Denis Browne bar-type shoes for 3 months. If uncorrected by age 4, surgical consideration.
• Internal tibial torsion: The tibia rotates internally during fetal development and early infancy. The most common cause of in-toeing in toddlers (ages 1–3). Thigh-foot angle on prone exam is characteristically internally rotated. Natural history: self-corrects in over 95% of cases by age 8 through normal external tibial de-rotation. Twister cables and corrective shoes are not supported by evidence and should not be used. Surgery (tibial de-rotation osteotomy) is rarely considered and only for severe, functionally limiting cases that have not corrected by age 8–10.
• Femoral anteversion (internal femoral torsion): The femoral neck is angled more anteriorly than normal, causing the entire leg to rotate inward. Typical presentation: age 3–7, children who prefer the “W sitting” position, patellae pointing inward with feet internally rotated. Most cases resolve spontaneously by mid-adolescence. Surgery (femoral de-rotation osteotomy) only for severe, bilateral, functionally impairing cases in children over 10 with no signs of natural correction.

Sever’s Disease (Calcaneal Apophysitis)

Sever’s disease is the most common cause of heel pain in children and adolescents, typically presenting between ages 8 and 14 during periods of rapid growth. It is not a disease — it is an apophysitis, meaning traction-related inflammation at the calcaneal apophysis (growth plate), where the Achilles tendon inserts. During growth spurts, the bone grows faster than the surrounding soft tissues, creating relative tightness of the Achilles-gastrocnemius-soleus complex and increased traction stress on the apophysis.

Classic presentation: bilateral (60–70%) heel pain in an active child, worse with athletic activity and first steps in the morning, relieved with rest. Pain is reproducible with medial-lateral compression of the calcaneal apophysis (squeeze test). X-ray may show apophyseal sclerosis or fragmentation but is a normal variant in asymptomatic children — X-ray is used primarily to exclude other diagnoses (calcaneal stress fracture, unicameral bone cyst, osteomyelitis).

Treatment: this is a self-limiting condition that resolves with skeletal maturity, but active management significantly reduces symptoms and allows continued sport participation:

• Heel cups or 3/8″ heel lifts (reduce Achilles tension at insertion)
• Aggressive Achilles-gastrocnemius-soleus stretching (3x daily, eccentric component)
• Activity modification — not complete rest, but reducing high-impact loading during symptom flares
• Anti-inflammatory measures (ice after activity, short-course NSAIDs with parental consent)
• Custom orthotics for underlying biomechanical contributors (overpronation, equinus)
• MLS laser therapy for recalcitrant cases — reduces apophyseal inflammation, accelerates resolution

Kohler’s Disease (Navicular Osteochondrosis)

Kohler’s disease is avascular necrosis (osteonecrosis) of the navicular bone, occurring in children aged 3–8, with a 4:1 male predominance. The navicular is the last tarsal bone to ossify, making it vulnerable to vascular compromise during peak loading when ossification is incomplete. The child presents with medial midfoot pain and swelling, limping, and tenderness directly over the navicular. X-ray shows navicular sclerosis, irregular ossification, and flattening — pathognomonic findings that distinguish it from normal delayed ossification (which shows irregular ossification without sclerosis or flattening).

Natural history is excellent — the navicular remodels to normal structure in 18–24 months in virtually all cases. Treatment: symptom management with short-leg cast or walking boot for 4–8 weeks to relieve pain and allow weight-bearing; arch-support orthotics after cast removal. The condition does not produce long-term sequelae when appropriately managed.

Pediatric vs. Adult Treatment Philosophy

Several principles guide pediatric podiatric management that differ fundamentally from adult care:

• Growth is therapeutic: Many pediatric conditions correct spontaneously through normal skeletal development. Watchful waiting with defined reassessment intervals is appropriate for conditions with favorable natural history (flexible flatfoot, internal tibial torsion). The question is always: what is the natural history, and does intervention improve on it?
• Avoid over-treatment: Multiple controlled trials have demonstrated that corrective shoes and twister cables for flexible flatfoot and internal tibial torsion do not accelerate natural resolution and may create negative associations with feet and activity in children.
• Casting is preferred over surgery in young children: Apophyseal and growth plate injuries, metatarsus adductus, and vertical talus are managed with casting protocols before surgery is considered — the pliability of young cartilage allows correction that would require osteotomy in adults.
• Growth plates require special consideration: Pediatric bone surgery must account for the open physis. Screws across growth plates can cause growth arrest; Kirschner wires are preferred for temporary fixation in young children.
• The parents are part of the treatment team: Home stretching programs, orthotic compliance, and footwear selection depend on family education and motivation — a critical component of pediatric podiatric care that is far less critical in adult practice.

When to Definitely See a Podiatrist

• Rigid flatfoot (no arch on tiptoe) at any age
• Heel pain in an active child (likely Sever’s — very treatable)
• Limping, refusing to walk, or activity avoidance — always warrants investigation
• Asymmetric in-toeing or flatfoot (one side significantly worse than the other)
• Forefoot or midfoot pain with activity in an adolescent (rule out stress fracture, coalition, or osteochondrosis)
• Toenail problems: ingrown nails, fungal nails, subungual warts causing pain
• Metatarsus adductus that does not passively correct past 6 months of age
• Skin lesions on the plantar foot (plantar warts are common and highly contagious in children’s sports environments)

Most Common Mistakes

• Treating developmental variation as pathology: Prescribing expensive custom orthotics for a 2-year-old with flexible flatfoot that will self-resolve is overtreating a normal variant. Evidence supports monitoring with periodic reassessment rather than immediate orthotics for asymptomatic, flexible pediatric flatfoot in toddlers.
• Missing tarsal coalition: An adolescent with recurrent “ankle sprains,” rigid flatfoot, and limited subtalar motion likely has a tarsal coalition — not instability. Coalition mimics sprain so well that many cases are missed for years. Any teenager with a rigid flat foot and activity-related pain should be screened with CT of both feet.

Red Flags in Pediatric Foot Complaints

• Night pain that awakens the child: Bone pain at night raises concern for malignancy (Ewing’s sarcoma, osteosarcoma), leukemia, or osteomyelitis — requires urgent evaluation and imaging
• Warmth, erythema, and fever with joint or bone pain: Septic arthritis or osteomyelitis — orthopedic emergency; hospitalization often required
• Rapidly progressive flatfoot deformity: Coalition, posterior tibial tendon pathology, or neuromuscular disorder
• Asymmetric calf atrophy or foot drop: Neurological cause (Charcot-Marie-Tooth disease, tethered cord) — neurology referral required
• Toeing-in that is worsening rather than improving after age 4: May indicate more significant rotational deformity warranting imaging

Care at Balance Foot & Ankle

Dr. Tom Biernacki, DPM, FACFAS and our team see pediatric patients at both our Howell and Bloomfield Hills offices. We take a development-first approach — we distinguish between what needs treatment and what needs monitoring, explain the natural history clearly to parents, and intervene with evidence-based methods when treatment is genuinely indicated. We provide casting for metatarsus adductus and post-surgical foot conditions, custom pediatric orthotics when appropriate, in-office treatment for Sever’s disease, and surgical care for conditions requiring operative intervention.

Call (810) 206-1402 or book a pediatric appointment online. Both offices are accepting new pediatric patients and work with most insurance plans.

Howell: 4330 E Grand River Ave, Howell MI 48843  |  Bloomfield Hills: 43494 Woodward Ave #208, Bloomfield Hills MI 48302

APMA: Pediatric Foot Care and Children’s Podiatry

In-Office Treatment at Balance Foot & Ankle

If home treatment isn’t providing relief for your your child’s foot condition, our podiatry team at Balance Foot & Ankle can help with same-day evaluations and advanced in-office care.