Many home treadmills consist of adjustable slope settings

https://www.hometreadmills.ukyamj730.ironwoodscope.com/posts/it-s-the-one-new-treadmill-trick-every-person-should-be-able-to

Lots of home treadmills consist of adjustable incline settings, permitting you to mimic outdoor surface for more powerful legs and much better workout range, whether you're training for hills or burning more calories.