Essay On Elliptical Machine

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Figure3.2.1: Chain-sprocket transmission system Bicycle uses chain-sprocket transmission system for transmitting power. Chain drive is a way of transmitting mechanical power from one place to another. Transmission system consists of sprocket having teeth and roller chain. A bicycle chain is a roller chain that transfers power from the pedals to the drive-wheel of a bicycle, thus propelling it. Most bicycle chains are made from plain carbon or alloy steel, but some are nickel-plated to prevent rust, or simply for aesthetics. A sprocket or sprocket-wheel is a profiled wheel with teeth, cogs, or even sprockets that mesh with a chain, track or other perforated or indented material The torque is applied by legs to pedals which are connected radially…show more content…
Exercisers move fluidly and can have a lower Relative Perceived Exertion (RPE). In other words, the person does not feel like they are working as hard as they actually are. 3.3.3 Types of Elliptical Machine There are three types of elliptical trainers, categorized by the location of the motor or "drive." The oldest elliptical design is the "rear drive" type, the second generation elliptical design is the "front-drive" type, and the most recent elliptical design is the "center-drive" type. On some models, the incline of sloping roller-ramps beneath the pedal-links can be adjusted to produce varying pedal-motion paths. An adjustable ramp, whether automatic or manual, alters the angle of the elliptical path which can vary hip actuation as well as vary the stride length. This can allow a user to alter his or her workout to target various lower body muscles. Some elliptical trainers even enable exercisers to use preset programs to automatically vary incline, resistance, and stride length over the course of a workout. In addition, some elliptical trainers can be driven in either a forward or a reverse

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