With built-in speed controls and predetermined programs

https://hometreadmills.uktrpu189.northvaledigest.com/posts/15-funny-people-who-are-secretly-working-in-treadmills-uk

With built-in speed controls and pre-programmed programs, home treadmills make it simple to follow directed exercises that support fitness objectives like endurance, fat loss, and endurance, even for beginners.