UPGO elliptical stepper combines the easy, low-impact motion of an Elliptical, and the cardiorespiratory improving power of a Stepper, with calorie burning power of a Treadmill. Extended vertical and horizontal stride length produces a fluid climbing motion aimed to engage your ...UPGO elliptical stepper combines the easy, low-impact motion of an Elliptical, and the cardiorespiratory improving power of a Stepper, with calorie burning power of a Treadmill. Extended vertical and horizontal stride length produces a fluid climbing motion aimed to engage your whole body.