<prompt> Most common cause of genu valgum in children is ?OsteoahritisRicketsPaget diseaseRheumatoid ahritis  <response>: Ans. is b i.e., Rickets o Genu valgum also known as knock knee is a condition where knees are abnormally approximated and ankles are abnormally divergent. o It is caused due to softening of bones or damage to lateral Femoral epiphysis Out of given options ? o Most common cause in children is Rickets. o Other diseases given in option are seen in elderly. 