: StairMaster SM916 StepMill : Step Machines ...
About StairMaster In the early 1980s, StairMaster introduced a wild idea based on the motion of climbing stairs. These days, it doesn''t seem so crazy. In fact, today, stairclimbers are a musthave in any gym. Whether you''re crosstraining for a sport or seeking a lowimpact, highintensity workout, you can challenge yourself to any workout level.