sigh...that's not what i was asking...at all
i did say let's take hst out of the equation for this one
what i was asking is why is it better to stick to any one program over the course of a full year rather than say do 3-4 routines in th one year, not why is it wrong to change away from hypertrophy specific training
anyways that debate isn't why i came one here at all, so back to my original question, i noticed the main reason not todo it in that way would be the way in which you build up to your 15,10 and 5 rep maxes
if you were to change it to starting the first workout with your actual 15rep max instead of about 90% of it and then just progress from there each week would that be a viable way to do things?
i.e say your 15 rep max for bench is 70kg
if you do that the first monday and then the following monday go for say 72kg
now i know this doesn't go in line with traditional hst in which you build up to your rep maxes but considering you would have went heavier with the 10s and 5s so you would be used to heavier weights and also that progression each weekly is an immutable fact in any successful bodybuilding routine
would this approach work perhaps?
How are you planning to progress the weight, at 15-reps, when you start at your 15RM? You aren't bumping it by 2.5kgs every 2 days ... If your plan is to do week 1 - 15RM for all workouts, then week 2 just bump it one increment then you're looking at a potential/likelihood of CNS fatigue (over-training) and you'll need to restart before getting near the 5's.
progression each weekly is an immutable fact in any successful bodybuilding routine
No no no ... 'weekly' progression is not the immutable fact.
Progression is. The body has no awareness for 'weeks'. It's a human construction, you know. If you raise the weights every 10 days, that's progress. Every other workout, that's progress. At some point progress slows to a rate that approximates no progress, and then you decondition or deload (depending on which you believe is more supported in the science) and get back to it after that.
Incrementation is used because it allows you to 'extract' as much hypertrophy as you can from sub-maximal loads before adaptation (repeated bout effect) prevents hypertrophy in response to those load stimuli. You start off at 70% of 15RM because you can still grow at that load after an SD. Jumping in at 90% or 100% skips the gains you might have had if you'd started at a lower load.
what i was asking is why is it better to stick to any one program over the course of a full year rather than say do 3-4 routines in th one year, not why is it wrong to change away from hypertrophy specific training
It isn't necessarily better to stick to one program for a year, two years etc rather than multiple ones within that time frame. What we're trying to explain is that a training system that follows the science (HST, or variant/similar system) doesn't have a reason to be changed or moved away from.
If you are changing routines 3-4 times a year, the only sane explanations are because;
-You need that change (psychologically)
-Health reasons (joints, over-training etc)
-You aren't growing & getting stronger (/whatever goal you have isn't being met)
-You can't meet the equipment requirements somehow (ala you're stuck in Antarctica doing research and bodyweight exercises with no reliable incrementation is about all you can manage ... gym is too expensive etc)
Change for the sake of it has no realistic expectation to produce results.
It's better to stick to a program that is producing the results that you seek. There is no reason for changing routines 3-4 times a year if you know what you want from your training (and the pragmatic reasons above). You're still asking the wrong question. Why
would you change 3-4 times a year?
Again, it's about goals and results. If your goal is to try and lot of different routines etc then go for it. If your goals include hypertrophy and strength, low bf% etc then finding a scientifically supported routine and sticking to it is the way to get those results.
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