Ankle Fracture
Ossification
Distal tibia
- appears by 2 years
- closed at maturity
- asymmetrical closure
- central initially, then posteromedial to anterolateral
- accounts for Tillaux and Triplanar fractures
Distal fibula
- appears by 2 years
- closes 2 years after distal tibia
Medial Malleolar Extension
- begins age 7
- closes age 10