Did the roller derby action in Whip It get you thinking, "If that scrawny little Ellen Page can do it, why can't I?" The time to figure it out is now: Ohio Roller Girls are holding tryouts for new players this Tuesday and Wednesday evenings. Of course, potential players have to know how to skate and have time to devote to training and league play, but it's a workout with potential for the kind of rewards and acclaim you just won't get out of stripper-pole aerobics. For a fresh sense of what to expect, check out the Roller Girls' afternoon game against Michigan's Killamazoo Derby Darlins on Saturday, Oct. 17, at Central Ohio Roller Hockey.