Research has dramatically helped to drive the industry forward over the last 10+ years. Thanks to this research we now feel quite confident about some things, such as longer rest periods are better for hypertrophy, frequency is mostly a means of partitioning volume etc… But there are many studies which have extremely small effect sizes or state conclusions where it doesn’t seem to matter what we do. Such examples might be: Training with “lower” reps vs “higher” reps or progressing w...