Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Treadmill
Medically reviewed by Min Clinic Staff | Updated: January 2026
Treadmill: A machine with a moving strip on which one walks without moving forward. A treadmill was originally a wide wheel turned by the weight of people climbing on steps around its edge, used in the past to provide power for machines or as a punishment in prisons. The treadmill today serves as a device to maintain physical fitness. It is also an essential component of the exercise treadmill test, a stress test for heart disease.