With built-in speed controls and pre-programmed programs

https://home-treadmillsjfwv811.urbanvellum.com/posts/you-ll-never-guess-this-treadmills-s-secrets

With built-in speed controls and preset programs, home treadmills make it simple to follow assisted workouts that support physical fitness goals like endurance, weight loss, and endurance, even for novices.