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paolo27th · 06-23-2009, 06:03 PM

Also, I think if you want an "effective cardio workout" you should do a bit more than 1x500m sprint.

06-23-2009, 06:03 PM	#3 (permalink)
paolo27th Purple Belt Join Date: Feb 2005 Location: Japan Posts: 2,384	Also, I think if you want an "effective cardio workout" you should do a bit more than 1x500m sprint.