In what way is an elliptical trainer different from a treadmill?

Precor EFX 546 Version 1 Elliptical Trainer (Refurbished)

www.amazon.com > ... > Elliptical Trainers

Amazon.com, Inc.
Rating: 4.3 - ‎9 reviews
Working out on an elliptical can burn as many calories as working out on a treadmill. ...allowing you to go forward and backward, as well as adjust stride length to target ...The Precor EFX 546 allows you to stride smoothly while holding the ...

EFX® 546i Elliptical Fitness Crosstrainer™ ' Precor

www.precor.com/en-us/.../efx-546i-elliptical-fitness-crosstrainer-33

With the unique Precor CrossRamp® technology, users can alter the path of the EFX®546i between 13 and 40 degrees in both forward and reverse stride motions, cross ...Excellent stability and freedom of movement for users of all sizes.

FAQ - Precor

Try adjusting the foot levelers on the bottom of your machine. Parts for ProForm Fitness Equipment Treadmills Bikes Ellipticals Belts...

RUN the software calibration for easy diagnostic and fix it. Read you owner manual and follow the steps.
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Workingout at similar intensity will result in similar amount of calories burned. Youwill probably burn a few more calories on the treadmill, but you will avoidinjury on the elliptical machine.

Highquality elliptical trainers cost $2,000-$4,000. Precor, one of the highestquality manufacturers of elliptical trainers, sales for around $4,500.

There are plenty of online stores that sell refurbished elliptical machines. Here are a few; however I recommend doing some extra searching of your own.

http://www.globalfitness.com/elliptical-trainer.aspx

http://www.ironcompany.com/usedtreadmillsusedellipticalcrosstrainersusedsteppersusedstepmillsusedexerc.aspx

http://www.ebay.com/sch/sis.html?_nkw=Precor+544+EFX+Elliptical+Trainer+REFURBISHED+Low+Price

There are in fact three types of elliptical trainers - all categorized by the motor (drive) location. The three types are as follows: rear drive, front drive and center drive.

Probably because your gym doesn't have enough machines tocater to the clientele. Also, ellipticaltrainers are some of the most popular exercise machines on the market.

I suggest buying an elliptical machine because you can do alot more exercises with them and they take up little room. Treadmills take up a lot of room, use a lotof electricity and you can only run or walk on them.