Can be used as an Anchor or a Leader template. Great for increasing volume without crushing you. First Set Last (FSL) is easy to program and the numbers stay in line with your progress and your programming. It is using the first work set of the 5/3/1 program for 5 sets of 5 reps. Of all the supplemental templates, 5x5 FSL is the one that is the most sustainable over the longest period of time. FSL is also an ideal way for athletes to train as it's easy to recovery from, the volume is easy to regulate, speed/power is maintained and now you can actually do all the other things an athlete must do: run, jump, agilities, skill work and in most cases, school work.