Children are not mini adults; they are developing and growing up to an average age of 16 for girls and 18 for boys. During this time a lot of changes take place at various joints called growth plates to ensure that the bones grow with muscles and ligaments. Damage to these growth plates can lead to long term problems.
A young baby foot consists mainly of tough cartilage up until the age of two years. All babies have flat, triangular shaped feet up to the age of three years when the foot starts to adapt more like an adult foot however many changes are still taking place at the hips at this age which has an effect on the foot.