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Knock knee

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Introduction
Knock knee is an abnormal curvature of the lower legs, resulting in a large gap between the feet and ankles when the knees are touching. The medical name for knock knee is genu valgum.
Symptoms of knock knee
Read NHS information about the symptoms of knock knee (genu valgum), which causes the lower legs to spread out so the ankles are further apart than normal when the knees are together.
Causes of knock knee
Read NHS information about the causes of knock knee, which include rickets (vitamin D deficiency), scurvy (vitamin C deficiency) and genetic conditions.
Diagnosing knock knee
Read NHS information about how knock knee is diagnosed in children. You can assess the extent of your child’s knock knee by measuring the distance between their ankles when their knees are together.
Treating knock knee
Read NHS information about how knock knee is treated, either by treating underlying conditions, such as scurvy or rickets, or by surgery (distal femoral osteotomy)