Genu valgum, also known as knock knees, is when the knees tilt inward and touch each other while the ankles stay apart. It is common in young children between 2 and 7 years old and usually improves naturally as they grow. In adults, it may be caused by bone growth problems, injuries, obesity, rickets, or arthritis. This condition can change the way a person walks, put uneven pressure on the knees, and increase the risk of pain or early joint wear. Treatment depends on the age and severity - in c