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This is one incredible and fantastic piece of exercise equipment! For the price, it is a super buy! It provides a rocking motion, which may seem simple at first, however, after just a few minutes standing on that machine, or sitting on the platform, you will discover it is much more than simple. The rocking motion improves balance, coordination, movement of various body motions. As you stand on the platform, you can rotate and bend your knees, and create "dance" motions which further enhance toning of the muscles. You can also hold and lift hand-weights, and the added rocking motion greatly increases the strengthening of muscles, which you will sense in your calves, your thighs, and buttocks. And this is all on LOW settings, too! I would not recommend setting higher than about 3 or 4 level, not until you become much more adept at using the machine. I would AVOID using higher setting over 5 or 6, at least initially, and not even use the higher settings. There is virtually NO NOISE, and the machine I purchased is very sturdy, very quiet, and feels like a high-quality machine. I have it sitting outside on my covered patio, however, the machine is probably best suited in-doors, as it is a quality piece of equipment. It is quite heavy, and does not "move about", and is very stable. I read that this machine was originally developed by Russians. It is NOT a toy, though you will experience a lot of enjoyment using it, and if you run two cycles, with ea cycle at ten minutes, you will likely be sweating profusely even at low settings of only 4 or 5! The "simple" rocking motion creates FAST TONING of muscles. My machine has level up to 20, far too powerful for me to endure at this time. Most people should start at level one only, and work-up to level two and so forth. You will feel the 'burn', a good sensation that your muscles have had a good work out. If you hold and lift hand-weights of 5#'s each, biceps and triceps as well as calves and thighs will have an incredible work-out! Your muscles will quickly become very toned. I use 15# hand-held weights, and simply lifting those weights above the head is a strongly felt motion/exercise. You can also sit on the platform, though I would recommend using a small pillow. Also, probably best to wear sturdy tennis shoes etc while standing on the platform -- you will notice your feet also get a work-out. As you become more accustomed to the rocking motion, you will quickly advance to being able to move about without holding onto the bars, and will notice greatly improved strength and balance and sense of increased co-ordination -- this is hard to describe. It's a very well-built machine. I plan to use mine 'forever'. Mine was manufactured in Korea .....the quality is superb. Do NOT let children attempt to play on it, it probably requires supervision. For some people: May wish to wear knee 'stabilizers' initially, unless using only at lowest settings. There is no doubt, after using the machine, there is increased oxygenation of blood, and organs; and likely increases the flushing of the 630+ lymph glands throughout the body, too, which improves the entire immune system. You will feel the work-out effects very quickly, and profoundly. And it is so "SIMPLE" and easy to use. :) It's FUN, too!

After reading many articles on Vibration fitness training I turned to Overstock to see what they had to offer. I read the reviews on the Crazy Fit Vibration Plate Fitness Machine and decided to purchase it. It arrived quickly and was not hard to put together. It is quiet even on level 20. WIth knees slightly bent you will feel the burn. I did feel like I was on a ship after using it for the first few times, but that feeling has now subsided. In the first week of using it I have lost 3 lbs. and I can actually see my muscles toning. I would recommend to anyone interested in this product to see how other people use it, you can get quite creative on poses to get to different muscle groups... It is not meant to just stand there. Search on youtube for vibration fitness training to get some ideas. This machine is not just shaking you, it is causing your muscles to contract at a rate similar to a workout, but without the strain. All in all I must say it is amazing, and I feel great. Have your friends and family try it and watch them laugh as they experience this strange new sensation.

Based on reviews I bought this machine. I have been looking at the more expensive Vibration Machines and have tested them, so know the quality. I decided to buy this machine to save money because the reviews said "it works just as good" as the more costly machines. This couldn't be more further from the truth. This machine will tip (and I am only 110 lbs), it has a very harsh vibration which gave me a headache for over 2 hrs, and the programmable board will not program as said. So, this machine is getting returned and I do not care how much it costs me in shipping. At least it will be out of my house and maybe get a few bucks back. With this machine you definitely get what you pay for!

• How accurate was the sizing? accurate
• Please tell us about the quality of the product. flimsy
• Was the product free of any manufacturer defects? yes

This is a great workout tool! So easy to put together and so enjoyable to use! I have MS and this is the equipment that helps!!!!

I purchased the Crazy fit vibration machine on the strength of the other reviews here on overstock. The product came quickly and was easy to put together (15 minutes). It works very well mechanically. I have noticed that it is giving me a neck ache. It seems to vibrate my head and neck a bit too much. I think I'm getting a little workout on my legs, but I wouldn't praise the results at this point. It is very easy to use......but I think it's too rough on certain parts of my body. After using it for 2 weeks every day, I haven't noticed any positive physical changes. I am not sold on the technology....yet. I'm glad it works so well for others, and I'll keep doing it as long as it doesn't tweak my neck too much, just to see if I get any benefit.

• How accurate was the sizing? fine
• Please tell us about the quality of the product. Good quality
• Was the product free of any manufacturer defects? No

We have the Sunny Crazy Fit Massage machine (WBV vibration) in our office for our clients to use for recovery from Incontinence, Peripheral Neuropathy and other circulation issues. It has been so successful, that we continue to order it for our clients. Our last, being a 90 year old woman who absolutely hated her first two times on the machine. After seeing results after only one week, she asked us to order her a machine. Her balance is much improved; as is her leg strength. And, stronger legs, mean less falls. We have helped 6 of our clients purchase this machine now because it is priced right. They would not have paid more, unfortunately. James S., Neuropathist/Director Chico Holistic Healthcare

• How accurate was the sizing? Accurate
• Please tell us about the quality of the product. Not the best built WBV on the market - but sturdy enough for 250 pound people.
• Was the product free of any manufacturer defects? Free of defects

I am not sure if the machine is free of defects since it makes a rattling noise when I stand on it distributing my weight evenly, but if I put more weight on my left leg, then the noise subsides and the machine runs quietly. Of course I can't do this for more than a minute or two, so I basically do my routine with lots of rattling noise. Other than that I think the machine is very sturdy, good quality. As for the results, well I've had it for 20 days now, I've used it twice a day for intervals of 10 minutes and sometimes 20 minutes each time and while I can't see very visible results as of yet, I can notice some toning in the legs, thighs and perhaps gluts, don't know it's hard to say. I have a little bit of cellulite in my gluts, what most people would say it's nothing... but it's there, and I still don't see much of a difference. I am 35 y/o, 5' 6'' and weigh 125lbs, have a fairly toned complexion, but the signs of aging are showing up specially in thighs, gluts and belly. I'd like to know if other people that have been using the Crazy Fit for longer than me, what kind of results they are getting. I did take a picture of myself the day I started and I'm planning on taking a new one after day 30, and so on. It's also very helpful when writing a review so state your age, height and weight so people can relate to your results more realistically. Thank you Overstock!

• Did the product fit true to size? YES
• How is the quality of the product? GOOD
• Was the product free of any manufacturer defects? Not Sure

I have had my machine for about 16 months. In that time I have only missed 1 day on the machine. I have noticed a difference in my body and love that it is only 10 minutes per day! I would highly recommend this to anyone!

Excellent value,great construction,easy to use!!!I find that this product is everything it was advertised to be,and a great value for the price!!!

• How accurate was the sizing? Excellent
• Please tell us about the quality of the product. Superb
• Was the product free of any manufacturer defects? Yes

We bought this machine 3 weeks ago and so far my wife like it. She is not loosing any lb but she said that she see the difference in her leg, thigh and waist ( even though it is not a big difference) .

• How accurate was the sizing? accurate
• Please tell us about the quality of the product. good
• Was the product free of any manufacturer defects? yes

I am not an exerciser normally and am ill with cancer. I am about 10 to 15 pounds overweight but was losing my muscle tone. This machine is so much fun and feels so good when your on it you won't want to get off!! I am up to 20 minutes twice a day and would do more if I could. It works your whole body at once and you can feel the burn!! I would HIGHLY recommend this to anyone who is able to stand without a problerm and can hold on or sit down and feel the burn on your upper body!! THIS IS A KEEPER, I AM SO MUCH HAPPIER AND FEEL SO MUCH BETTER NOW THAT I AM WORKING OUT, I ACTUALLY HAVE SOME ENERGY NOW AND LOOK FORWARD TO WAKING UP TO THIS CRAZY MACHINE!! BUY IT IF YOU CAN, YOU WILL LOVE THIS!! ;))

• Please tell us about the quality of the product. SUPERB QUALITY, EASY TO ASSEMBLE
• Was the product free of any manufacturer defects? SO FAR ;.))

I have reduced my weight approx. five pounds in three weeks. I feel so much better and the best thing the machine does all the work.

• How accurate was the sizing? very accurate
• Please tell us about the quality of the product. excelent
• Was the product free of any manufacturer defects? yes

Got this machine because my husband requested it. He'd done research and felt it would be useful in getting toned up and into shape. I was skeptical but it appears to be doing exactly what he found from his research. His belly is coming down. A massive side benefit is that my son with autism totally enjoys the machine and willingly gets on. The timer is an extremely useful feature that makes the "exercise" enjoyable.

I had the opportunity to try this machine at a recent tradeshow and from the moment I stepped on it, I was hooked. It is phenomenal, the intensity and simplicity of the workout is surprising but my body did feel that I had worked out for at least an hour. I would recommend it to anyone who's looking for an amazing workout .

I was a little nervous after reading the reviews but I have been very happy with the machine that I received. I have had it for a few months now and have not had any problems at all. It takes up very little floor space and is very quiet when it runs. I don't even have to turn the tv up when it runs. I also haven't had any problems with the screws vibrating out as some of the other viewers had reported. Overall I am very happy with my purchase!

I love this machine! It was easy to assemble, is quiet, and after two to three weeks, I am already feeling more toned and firm with only two 10-minute routines a day. Even my husband noticed! You feel refreshed after only 10 min. on the machine. And a plus, my usual lower back pain has improved.

I found the machine easy to assemble and both my wife and I are enjoying the product. I play racquettball and pickleball and my legs usually feel tight from the playing. I come home and get on the machine and ten minutes later my legs feel a lot better. My wife uses it more then I do. I seen her sit on it, stand on it and place both hands on it. I see it making a difference on how she looks. She appears more relax. We have only had it for a short time and from what I see I would definately recommend it as part of your daily routine of exercise.

We ordered and recieved our Crazy Fit exerciser in record timing. My husband put this together and we started using it immediately. We are very happy with this product and the whole family will be benefiting from its use.

I purchased this machine as I can not work out as trouble with neck, back, knees. This is something that I can do for better health. So far love it, see a big difference in the cellulite and toning over all. I feel this is a great product, quiet, easy, I think that using this on a regular basis will really help in all problem areas. Saw on the doctors show for another procedure that used this type of viberation plate before the procedure. Also saw on the news at a gym that on a bigger and more expensive model girl was losing inches and cellulite. Needless to say very hopeful for good out comes for myself.

The product seems great so far. I really like the way I feel when I am done using the machine, my body feels better and and muscles feel relaxed. I did notice a motion sickness feeling the first few times I used the machine so start of on the lower levels if you are prone to motion sickness. Overall I love the machine and Overstock is always a great shopping experience. Thank you.