In a semi-dark room dotted with tiny green laser lights at the Duneland Family YMCA, a group of about a dozen preteen girls gathered to dance to some of today's most popular music (such as Katy ...

But now a growing number of clubs and Y-M-C-A's are offering Zumba for kids. The moves are adapted from the adult classes to be more kid-friendly. Instructors say the dancing appeals to their natural ...