NEWSCRIPT
Level 5 - mechanism / opinion, no new human data
Historical commentary and news note (level assigned by design analogy, not clinical CEBM)
OpenAlex W4245783206 · doi:10.1021/cen-v069n008.p068
What was done
This is a brief historical news note reviewing the origins of the exercise treadmill and stairclimber, citing Smithsonian historians on the invention of the prison treadmill by Sir William Cubitt in 1818 in England.
What was found
The report notes that US home exercise equipment sales were projected to reach $2 billion in 1991, with stairclimbers being popular. It outlines historical accounts showing the precursor device was implemented in 19th-century British prisons to impose grueling punitive labor on petty offenders following Britain's Penitentiary Act of 1779. No experimental or clinical measurements were reported.
Why it matters
It provides historical context on how contemporary commercial fitness machinery originated from 19th-century penal disciplinary devices.
Limits
This is a brief journalistic commentary rather than an empirical study or systematic historical investigation. No health, physiological, or biomechanical outcomes were evaluated.
Cited by
- context The treadmill was originally invented in a prison setting.