NordicTrack® A.C.T. Elliptical. Get all the low-impact, calorie-burning workout of a traditional elliptical takes in half the length on the A.C.T. elliptical. With a center drive and square foot print, it offers significant stability with a much smaller footprint. And, with an adjustable stride, OneTouch™ Controls and AutoBreeze™ Workout Fan, it delivers serious comfort and convenience. Your workout options are expansive with 26 onboard workouts designed by a Certified Personal Trainer, plus the ever-growing workout library of iFit® technology, which includes Jillian Michaels workout programs.