With built-in speed controls and predetermined programs

https://treadmillsyxgj138.cloudhinter.com/posts/what-s-the-job-market-for-running-machine-for-home-professionals-like

With built-in speed controls and predetermined programs, home treadmills make it easy to follow directed workouts that support physical fitness objectives like stamina, fat loss, and endurance, even for beginners.