NordicTrack A.C.T. Elliptical 23896 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.