INDIANAPOLIS, Ind. – USA Gymnastics has selected the rhythmic gymnasts who will represent the United States in the 2006 Junior Pan American Championships, Aug. 25-29, in Toronto, Ont., and the Grand Prix in Deventer, Netherlands, Sept. 2-4. 2006 junior all-around champion Rachel Marmer of Los Angeles, Calif./Hollywood Academy of Gymnastics, will compete in both events.