Explainer: what causes knock knees and do they have to be treated?
- Written by Joshua Burns, Professor of Allied Health (Paediatrics), Children's Hospital at Westmead, University of Sydney

Knock knees, also known as genu valgum, is a type of knee alignment seen when a child (or adult) stands up straight with their knees together, but their feet and ankles stay apart. The opposite type of alignment, called bow legs (genu varum),...