A link to a very interesting site Jul 19, 2004 6:38:09 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by audra on Jul 19, 2004 6:38:09 GMT -5 I have only "explored" a few of the different things on this site but what I have read is very interesting.www.allspiritfitness.com/topics/Cardio.shtml