Pediatric Foot Fractures: Not Just Small Adult Fractures

Children’s foot and ankle fractures are not simply scaled-down versions of adult fractures — the presence of growth plates (physes), the greater plasticity of pediatric bone, and the healing potential of the growing skeleton create fundamentally different considerations in diagnosis, treatment, and prognosis. At Balance Foot and Ankle in Howell and Bloomfield Township, Michigan, we evaluate pediatric foot fractures with specific attention to growth plate involvement, which determines both treatment approach and long-term prognosis.

Growth Plates and Why They Matter

Growth plates — the areas of cartilaginous tissue at the ends of long bones — are responsible for longitudinal bone growth. They represent the weakest point in the pediatric skeletal system, failing before ligaments in many injury mechanisms that would cause ligament sprains in adults (a child’s ligaments are often stronger than their open growth plates). Fractures through or involving the growth plate (physeal fractures) are classified by the Salter-Harris system: Type I (through the physis only), Type II (through physis + metaphyseal fragment — most common), Type III (through physis + epiphyseal fragment), Type IV (through physis, metaphysis, AND epiphysis), Type V (crush injury to the physis — rare, worst prognosis). Types I and II have excellent prognosis; Types III-V require precise reduction and have higher risk of growth disturbance.

Common Pediatric Foot and Ankle Fractures

Distal fibula physeal fracture: the most common ankle fracture in children — the lateral malleolus growth plate fails from the same mechanism that causes ankle sprains in adults. X-ray diagnosis may be challenging; direct growth plate tenderness with a negative X-ray (Salter-Harris I) should be treated as a fracture. Calcaneal apophysitis (Sever’s disease): technically not a fracture but a traction apophysitis of the heel growth plate from Achilles traction — extremely common in active children ages 8-14. The base of the fifth metatarsal in children has an apophysis (growth center) rather than the adult anatomy — “fracture” of this apophysis in children is usually the normal ossification variant rather than a true fracture, requiring careful interpretation of X-rays in this age group.

Treatment Principles in Pediatric Foot Fractures

Children’s fractures generally heal faster than adults — appropriate cast or boot immobilization with reduced weight-bearing typically achieves adequate healing in 4-6 weeks for most foot and ankle fractures. Growth plate fractures Types I-II that are minimally displaced are managed in a short leg cast with close follow-up. Types III-IV that are displaced require anatomic reduction (often surgically) to prevent articular incongruity and growth disturbance. Post-fracture monitoring for growth disturbance (angular deformity, limb length inequality) is appropriate for significant physeal fractures, particularly in younger children with many years of remaining growth. Contact Balance Foot and Ankle at (810) 206-1402 for pediatric foot and ankle fracture evaluation with growth-plate-appropriate assessment and management.

Foot or Ankle Pain? We Can Help.

Balance Foot & Ankle — Howell & Bloomfield Township, MI

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Dr. Tom Biernacki, DPM

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.