Callanetics question?

I have recently started doing callanetics at home with a DVD.

I am reading up on it a little to find out some more info and came across this site:

http://www.callanetics.org/

Is this true - that 1 hour of callanetics is equivalent to 24 hours of aerobics? It seems quite hard to believe.

Has anyone else done callanetics regularly? What kind of results did you see, and when did you start to see these results?

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Answer:
I have tried - and failed - with Callanetics several times, as I can't cope with the initial agony. Yes, it's deep impact or something, so you're really toning.

My friend did it religiously, she had an amazing flat stomach for a whole summer until the pain and lazyitis got the better of her…

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Answer:
It is another hype and well marketed manipulation, think about it rationally, why would 1 hour of Callanetics equal 24 hours of aerobics, doesn't make any kind of normal sense.