Stair climber workouts are kind of like getting out of bed in the morning: They look simple and easy but are actually way harder in practice. This cardio machine is not to be underestimated and can ...

Most women either love or hate their gym’s stair-stepper for one reason: It’s hard. Unlike some other cardio machines (ahem, the elliptical and bike) stair-steppers take momentum out of the equation. ...