Luna's trunk was her sidewalk and exercise treadmill. Their activity levels varied from treadmill walking to maximal treadmill running. He did this by running them through treadmill exercises that simulated activity in the wild. He wrote the book while walking on a treadmill. Treadmill ergometers are now mainly motor driven. The Yankees' therapy room features a hydrotherapy pool with an underwater treadmill. Dirt that gets accumulated on a treadmill can also cause malfunction. Peloton is reportedly developing a new treadmill that will cost less than the current model. The first consumer treadmill for home use was developed by William Staub, a mechanical engineer. Zolomon and Thawne capture Wally and jump onto the treadmill. Allen regularly engaged in time travel by using his Cosmic Treadmill device. Astronauts use bungee cords to strap themselves to the treadmill. Cosmonauts used bungee cords to strap themselves to the treadmill. This has been referred to as a hedonic treadmill. I "knew" I was not enjoying the treadmill.