There are many different kinds of exercise programs for children.Some children,like Pablo,go to health club.Others go to yo ga classes.Baby yoga is becoming very popular in the U.S. now.Maya brings her eigth-month-old daughter,Marina,to yoga class once a week so they can exercise together Maya says,"I used to go to yoga class before Marina was born,but now we can go together."She adds,"The classes are fun for Marina,and for me,too.