With built-in speed controls and pre-programmed programs

https://blogfreely.net/terlysrzsn/the-12-most-popular-running-machine-for-home-accounts-to-follow-on-twitter

With built-in speed controls and pre-programmed programs, home treadmills make it easy to follow directed exercises that support physical fitness goals like stamina, weight loss, and endurance, even for newbies.