treadmill

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treadmill

(tred'mil)
A conveyor belt for walking or running in place; the speed of movement and angle of inclination can be varied during tests of cardiopulmonary health and conditioning.
See: exercise tolerance test
References in periodicals archive ?
Power take-off (PTO) line shafts date back to the tumbler rods driven by horses and dog-powered tread-mills. In the early years, they turned feed grinders, hay balers, elevators and butter chums.
Since 1987, more than 20 million stair-climbing machines and 15 million tread-mills have been purchased, according to a study done by the Fitness Products Council.