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PENCITRAAN
Bow Legs in Children: It’s normal or Abnormal? Aetiology and Imaging
Haryanti Fauzia Wulandari
Department of Child Health, Faculty of Medicine Universitas Indonesia/Dr. Cipto Mangunkusumo General Hospital, Jakarta, Indonesia
Abstract
Background Bowing of the lower extremities is common and parents of children with bow legs often want to
know if the legs are abnormal. Objective The role of paediatrician is to determine if the bowing is physiologic
or pathologic. Discussion Neonates and infants normally have varus angulation of the lower extremities.
Gradual correction of this angulation begins as a child starts walking. The bowing is corrected within 6
months of walking or by 18–24 months of age. After this age, there is normally a change to valgus angulation
during the 2nd and 3rd years of life that reverts to the adult pattern by age 6 or 7 years. This article presents
the clinical and radiographic characteristics of common and uncommon causes of lower-extremity bowing in
children.
54 Abstract
