Open all pages about Knock knees
A gap between the ankles when you stand with your knees together is the main symptom of knock knees.
Usually, knock knees in children gets better on its own. If it causes problems or pain, you may need to see a specialist for some tests.
Knock knees in children is a normal part of growth and development. But sometimes it can be caused by an injury or condition such as arthritis.
Knock knees is when there's a gap between the ankles when your knees are together. It's common in young children and usually gets better on its own.
Page last reviewed: 12/01/2023
Next review due: 12/01/2026