I just switched from my own designed 2 day split routine to the stronglifts 5x5 routine, mainly to focus on the big lifts and to stick to a tried and true method. I was a little puzzled by the deadlift routine though. Why only 1 set of 5 as opposed to 5x5? Is doing a 5x5 deadlift a problem if squatting 3 times a week? Should I stick to the routine and do a 1x5 or just continue doing a 5x5 on deadlifts which I had been doing prior?