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Nonpowered stair/stepper climbing exercisers designed to simulate the motion of climbing stairs using nonpowered (i.e., manual) movable stairs or steppers. These exercisers usually consist of footpedals and side handrails and/or moveable or fixed front handlebars. The pedals are propelled by the movements of the user; resistance is provided by pneumatic, hydraulic, or electromagnetic mechanisms. The exercisers usually include workout program modes to adjust resistance levels; a monitor to display the workout time, distance, speed, calories burned, and heart-rate; and adjustable handlebars with grip pulse sensors or wireless heart-rate tools; some may also have heart rate controls to adjust the resistance level to suit the targeted heart rate. Nonpowered stair/stepper climbing exercisers are intended to increase cardiovascular endurance by keeping the heart and pulmonary rate elevated for a continuous period of time. Additionally, they provide strength and endurance to the muscles of the lower body (i.e., quadriceps, hamstrings, gluteus, hip flexors, calves) and/or the upper body (i.e., arms, shoulders, chest, back).
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