This workout focuses on building your endurance while blasting calories. During the Fast Stair Step, you should have a perceived exertion of around an 8 or 9 out of 10, on a 1 to 10 scale, use the Moderate Stairs level to recover. To get more of your core involved and burn more calories, try to maintain a very light hold, if any, on the handle bars and keep your chest lifted as you climb.
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