Jennifer Mayer tries a new trick during an intermediate pole dancing class at Flirty Girl Fitness in Chicago in this February 17, 2009 file photo. The provocative, shaft-straddling burlesque technique popularized by Hollywood movies like "The Wrestler" and TV shows like "Desperate Housewives", is shedding its seedy image and making a play for respectability thanks to a new kind of dancer, drawn to the pole by the athleticism it requires as much as the sex appeal it exudes. [Agencies]