I tried hst two years ago. I was had been natural for a few months at the time. Didnt dial it in right, my mentality fought the program the whole way and I stopped after week one. As of now, I am just coming off a test only blast and will be cruising for 8 weeks till running a 14week summer blast. So I wanted to try HST while cruising and continuing to cut. I took a bunch of time and effort setting it up this time along with getting my mentality to agree with it. Since im cruising starting this week not modifying the standard program. last night was the second day of the first week of the 15 rep single set. Im pretty impressed so far. In only two days I feel fuller and am visibly fuller. Adding in 20min of pwo cardio and my metabolism has taken off like a rocket as of today. On top of taking armour this should result in some nice fat loss. If I deem this 8 week hst run a success then I will run it for my summer cycle. Here is where I need help from people who have experience with this scenario. 1) I have read that with AAS you can modify and extend your hst to accommodate your cycle length? 2) I have read that with AAS you can skip the SD phase? 3) also read that with AAS you should not push to the true RM at any given level (injury) but instead add sets. If so add how much volume is added? Obviously its individual but im looking for examples. 4) with or without AAS how much do you guys warm up before you begin "work" ? I have been doing a 25rep set of cable flys, 25rep set of whatever back movement im doing for work and some light 40rep press downs to get blood in my elbows along with rotator warm ups. And since some forums like stats and info im 38, lifting 24 years with some 1-2 year breaks in there. Been back into hardcore bb'ing since jan 2009. Been cycling off and on since 21. Im not here for AAS advice. On a traditional split I train super intense. Like almost throw up driving home intense. I like volume and moderate weight and im a nazi about form. Currently 6'0" 237 15%.