With built-in speed controls and predetermined programs

https://buy-treadmillpert490.ironwoodscope.com/posts/a-time-travelling-journey-how-people-talked-about-treadmills-for-sale-uk-20-years-ago

With built-in speed controls and preset programs, home treadmills make it basic to follow directed workouts that support fitness goals like endurance, fat loss, and endurance, even for beginners.