Perform two more sets, in which you decrease the weight each set just enough to allow you to perform the same number of reps as you will do two more sets, increasing the weight by the same increments by which you decreased the involved, the last two sets will likely be in the low repetition range of two to four. This is supposed to work synergistically with the higher-rep sets performed in the earlier sets to enhance muscle growth. See table 6.21 for a sample inverted pyramid program. This system can be performed with any exercise for most muscle groups, but it is best performed first in the workout with a basic exercise such as the bench press, shoulder press, squat, barbell, cirl, or triceps extension. This is best followed with straight sets of one or two isolation exercises for each muscle group.