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Example of modern treadmill. A treadmill is a device generally used for walking, running, or climbing while staying in the same place.Treadmills were introduced before the development of powered machines to harness the power of animals or humans to do work, often a type of mill operated by a person or animal treading the steps of a treadwheel to grind grain.
A treadwheel, or treadmill, is a form of engine typically powered by humans. It may resemble a water wheel in appearance, and can be worked either by a human treading paddles set into its circumference (treadmill), or by a human or animal standing inside it (treadwheel).
A penal treadmill (penal treadwheel or everlasting staircase) was a treadwheel or treadmill with steps set into two cast iron wheels. These drove a shaft that could be used to mill corn, pump water, or connect to a large fan for resistance.
The same year, Life Fitness expanded into treadmills. Life Fitness was acquired by Brunswick Corporation in June 1997 for $310 million. [5] [6] The sale was completed on July 11, 1997. [7] Later in 1997, Life Fitness bought Hammer Strength, a manufacturer of weight machines. [8] ParaBody, Inc. was bought by Life Fitness in 1998. [9] [10]
This range included a treadmill, an incline trainer, an elliptical, and recumbent and upright bikes. After the 9600 series was discontinued, NordicTrack has not made any more commercial gym equipment ever since. In 2009, NordicTrack pioneered the incline trainer, a specialty treadmill that can reach an incline of up to 40%.
A treadmill crane (Latin: magna rota) is a wooden, human powered hoisting and lowering device. It was primarily used during the Roman period and the Middle Ages in the building of castles and cathedrals. The often heavy charge is lifted as the individual inside the treadmill crane walks.
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Cybex International (NASDAQ: CYBI) is an American fitness equipment manufacturer for commercial and consumer use. It produces mainly cardiovascular and strength equipment such as Arc Trainers, treadmills, stationary bicycles and steppers.