and balance. her goal is get kids moving earlier than before. >> that's very good balance. we like to do things that we're good at so when with we teach children how to move well, they are going to keep moving and choose to be active. >> nora's middle school kids have been training since they were 2. >> i think it set them apart in that they have built their confidence a lot sooner other kids their age. >> i remember when i was really young, i'd like to go on the balance beams. >> i remember jumping on the tramp leans. >> but doctors like nyu's dennis cardone say -- >> we are seeing injuries in younger children we have never seen before. we're seeing overuse injuries which are exclusive to adults and now we see them in 7, 8-year-olds. >> reporter: the government classified 10% of preschool age children as obese. >> perfect! >> reporter: everyone agrees kids need to be more active. it's the how that's the