The Medical Daily summed up this history like this: "1The treadmill in the early 9th century was a torture device used to punish prisoners. They step on spokes to drive huge paddles to pump water, crush grain or drive mills. This is the origin of the English word "stream mills", which literally means "treadmill". Prisoners are forced to tread for more than six hours every day, which is equivalent to climbing from 1500 meters to 4300 meters every day. "

Due to long-term fatigue, malnutrition and poor sanitary conditions, accidental casualties of prisoners occur from time to time. However, the prison treadmill ran in Britain until the end of19th century, and it was not until 1898 that the British prison law defined the punishment as "extremely cruel" that this cruel torture device finally withdrew from the historical stage.

On the other hand, the treadmill went out of the torture stage in 1898,191year, and the patent of "treadmill" was registered in the United States. 1952, completed the "pioneer" machine of modern treadmill. 1952 "pioneer" machine. During 1970, there was a jogging craze in America. Treadmill, as an effective aerobic exercise weight loss machine, suddenly became popular. In the final analysis, it is because of the increase in obesity caused by overnutrition that treadmills come in handy.