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 ?
(18) The treadwheel, as invented by the engineer, Sir William Cubbit, consisted of twenty-four steps, fixed lengthwise, like the floats of a paddlewheel, to a wooden cylinder sixteen feet in circumference, the steps being eight inches apart.
Even with changes in the propelling mechanisms, from the horse whim, through the treadwheel, and eventually to the portable treadmill, these animal ferries plied the open waters that were dangerous for smaller craft.
They were forbidden to speak under the silent rule, and if sentenced to hard labour, they endured long periods on the treadwheel or at the crank.