treadmill
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thumb|right|Example of modern treadmill thumb|Treadmills at a YMCA
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13 sectionsContents
- History
- Functions
- Use for power
- Use for punishment
- Use for exercise
- Advantages and disadvantages
- Advantages
- Disadvantages
- Other uses
- Underwater treadmill
- Omnidirectional treadmill
- See also
- References
thumb|right|Example of modern treadmill thumb|Treadmills at a YMCA
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. In later times, treadmills were used as punishment devices for people sentenced to hard labour in prisons. The terms treadmill and treadwheel were used interchangeably for the power and punishment mechanisms.
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penal labor
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horse
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Cape Town
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International Standard Book Number
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machine
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prison
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The New York Times
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satire
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public domain
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digital object identifier
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International Standard Serial Number
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metaphor
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mill
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electric motor
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1980 Summer Olympics
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oxen
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Q180686
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flywheel
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grain
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electrocardiography
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