This topic has 2 voices and 1 reply. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts January 15, 2014 at 11:36 pm #10491 irondawg725Participant I think I've read that most people don't do much cardio on CBN. Should you not do cardio? I've read where some people do HITT. Would it be a problem to do three days a week of cardio (30 or 40 minutes)? January 16, 2014 at 12:37 am #212000 Richard SchmittModerator This has been answered, search the forums, the actual AIO site, and YouTube videos. You read right about HIIT being done on both CNS and CBL, Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic.