The cardio activity isn't as important as the intensity it is achieved with. Just do it until you're nice and sweaty and your heart is pumping and if you feel you can do it longer then go for it. [ MikeCFT's advice column | Ask MikeCFT A Question ]
Attention: NOTHING on this site may be reproduced in any fashion whatsoever without explicit consent (in writing) of the owner of said material, unless otherwise stated on the page where the content originated. Search engines are free to index and cache our content. Users who post their account names or personal information in their questions have no expectation of privacy beyond that point for anything they disclose. Questions are otherwise considered anonymous to the general public.