After a week I realized with herniated discs that this shit was fucking retarded. Unless your in perfect condition no aliments (not necessarily in shape) then this program is fine. If
You have and pre existing injury stay far away from routines like these. I couldn't walk for almost a month after 7 days of insanity. I got in much better shape by simply dh mtn biking the later half of the summer.
Damn, that's good to know. I was considering Insanity for kicks after my ankle heals, but I guess not.