© Diane Bidermann

Courtesy of Buzzfeed.com

Rhythmic gymnastics is less well-known than artistic gymnastics, the popular Olympic sport that made athletes like Mary Lou Retton and Shawn Johnson famous. Staten Island native Rebecca Sereda has been a competitor in the sport since her Ukrainian-born parents enrolled her in a class as a child. At 17, she’s a member of the US national team, but she won’t be going to the Olympics this year Aca a