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Nitro MXS When weight lifting, it is perfectly fine to cheat just a little bit. When you push out a couple of extra repetitions by using part of your body, you magnify the results of your workout. But do not make that an excuse to cheat on all of your reps! Even when you are cheating, maintain your usual rep speed. Never compromise your form. Read more = = = http://www.musclehealthfitness.com/nitro-mxs/