Stairmaster Vs Treadmill

stairmaster
Stairmaster is the name of a line of exercise machines, which includes stepping machines and revolving stairs.

treadmill
An exercise machine, typically with a continuous belt, that allows one to walk or run in place
A job or situation that is tiring, boring, or unpleasant and from which it is hard to escape
a job involving drudgery and confinement
A device formerly used for driving machinery, consisting of a large wheel with steps fitted into its inner surface. It was turned by the weight of people or animals treading the steps
an exercise device consisting of an endless belt on which a person can walk or jog without changing place
a mill that is powered by men or animals walking on a circular belt or climbing steps