Posted by: porsche2014 April 15, 2014
I did in 5 months...
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@Hurray - You can do HIIT in your room, don't need a well equipped gym... check the videos... 

http://www.youtube.com/watch?v=1jhRdJTt8sY

http://www.youtube.com/watch?v=QCqWeAL2xb4
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