Why do your muscles fail, because your exhausted and are not conditioned..... I realize you can do 200 for 5x3 . I'd rather see you have enough energy to get throught the w/o...total tonage my man total tonage....stay at 185 for 2 weeks bump up to 195 for a week go to 200 for a week than 215 for a week all 5x3 after this call me