I know Bryan and others have stated that they don’t seem to grow until they reach the 10s and 5s using HST. My bodyparts have always seemed to respond differently to training stimulus rather than following any universal plans. High reps seem to work great for my legs, for instance. Squats and leg presses using sets that are 20 reps or even higher cause my thighs to just blow up. Conversely, heavy weights and low reps (like 5-6) seem to make my lower back and joints hurt, but not cause much growth at all. My chest and back are just the opposite. They love heavy weight and reps in the 4-6 range and respond great to them. My arms are somewhere in between … They seem to get the best response from moderate reps (8-12) and show almost no results from 5-6 rep sets, particularly with isolation exercises. Am I the only one who notices a non-uniform response like this? Is there anything wrong with modifying HST to accommodate different rep ranges for different bodyparts?