Jesse Irizarry gives us the low down on percentage-based programs over at Juggernaut.
You either love them or hate them. Some coaches and lifters believe using percentage based programs is the only way to plan training while others rave about the restriction they create. True, some systems of training not based on percentages have been shown to be very effective, but the argument that any use of percentages creates parameters that are too rigid just isn’t true.
When writing training programs and coaching large groups of athletes or large groups of lifters, percentage-based programs are almost necessary to manage and progress these large numbers. The idea that these training programs can’t also be intuitive and meet the needs of the individual is due to a misunderstanding uses of percentages, along with not learning some easy guidelines that I’m going to describe here.