Quote Originally Posted by MIKE_XXL
no workout should last longer then 45-60 minutes...XXL
Beat me to it. You need to get in and out. Your heart rate should be up there because you aren't slacking. If you do 18 sets, and the set last 1 minute, that would be 18 minutes. Maximum of 60 second resting. Thats 36 minutes. You can pretty much do whatever workout in that amount of time.