Ah it is a pretty unique treadmill: https://www.freemotionfitness.com/cardio/incline-trainers https://www.freemotionfitness.com/cardio/incline-trainers They ca

Ah it is a pretty unique treadmill: https://www.freemotionfitness.com/cardio/incline-trainers https://www.freemotionfitness.com/cardio/incline-trainers They call it an incline trainer With stair steppers I found it a lot harder to sustain it for the same nominal calorie count. But going up a %30 incline vs a stair stepper might be the same difference between an elliptical vs running.