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I am thinking like 20 ppl (some body builders, young, old, newbies, intermediates, various ethnics, fat and skinny etc) for EACH training theory method. So lets say we are going to benchmark H.I.T. vs Dual Factor vs. MaxOT (I think) vs. xxx.
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Okay, obviously we've gone awry somewhere:
Dual Factor is not a workout routine or a program. It's a theory on how the body works, and to date it's the most comprehensive theory that seems to apply and fit all scenarios whereas single factor theory fails to explain a lot of very common and easily replicable scenarios.
There is no dual factor vs. HIT per se. There is dual factor vs. single factor, and the world at large resolved this a long time ago. The problem HIT people have is that they are wildly attached to the logical underpinnings of the program - which are single factor and for the most part don't really hold up in the face of much of the evidence. HIT training can clearly be used in a dual factor setting. These are mutually exclusive only to those who don't understand it.
Take for instance Doggcrap - somewhat similar to HIT (single set, train to failure) but the frequency is held constant and what he calls cruising periods (makes me think of a bunch of bodybuilders cruising around in Miatas) are actually deloading. This is how I understand DC's training anyway although I don't spend a lot of time looking at it.
So there is no Dual Factor vs. HIT vs. MaxOT or whatever to test. There are two theories - single and dual factor. Dual factor is far more comprehensive and robust, to the point where it has completely supplanted the single factor theory. Any program can be periodized, even HIT, and it's very logical and very efficient in that you can accrue more stimulus in a given period by inserting periods of lower stimulus (less frequency if you want to hold volume/intensity (%1RM) and/"intensity" [sic - preceived effort] constant). The amount of stimulus in this setting will be higher over an equivalent timeframe because you aren't taking the frequency all the way out under the assumption that it's optimal to time every single workout because you have to run an infinite chain of them without altering any of the components. The overall conditioning and tolerance levels of the athlete can also improve vastly using this method.
I think if Mentzer had known about this and it didn't force him into another amphetamine induced breakdown, he'd be on board (yeah, I'm taking a shot at him simply because I have no idea how he's garnered so much respect over the years - good sales person and ignorant customers). Makes a lot of sense and is consistent with how the body works. Very logical.
Granted you'll still argue with people that feel that constantly going to failure is horid from an efficiency standpoint because the fatigue is so excessive relative to any measurable benefit (and we'll just leave it that there's A LOT of doubt that there is any benefit to strength or hypertrophy from the isolated act of failure). You'll also face the argument that 1 set is not enough, and there's quite a bit out there on that too. BUT, you won't face the single factor/dual factor argument because it's really not central to applying HIT-style training, it just happens to be a theory that got tossed which a lot of HIT proponents are ignornant of and cling to as if it was written right after the 10th commandment and Jones and Mentzer caried it down directly behind Moses.
This is what one does in science, test theories, find out where they fail, modify or discard as needed until you arrive at one that is robust, comprehensive, and repeatedly stands up to rigorous testing. Dual factor theory is the best reprensentation we have of how the body works - at the very least it is far far better than the single factor alternative. What one does with that informaiton and how it is applied is up to them.
Obviously it's been making inroads into BBing for a while now in (I'm editing here because it's worth it - basically just breaking up the paragraph and adding a few examples):
- HST - Strategic deconditioning periods
- DC (Doggcrap) - "cruising" periods
- "Changing up your program because it's stale"
- a HIT practitioner decreasing frequency more than normal for a time until he starts to feel he's making progress again and goes back to his usual frequency
- even the Weider Instinctive Training Principle or whatever where one might decrease load if signs of fatigue or overtraining are felt
It goes on and on and most everyone is already subconsiously doing it in some form or another (albeit a keener understanding of the science allows a more refined and optimized approach). You see it everywhere it's just not well understood by the BBing population and it would be really nice if ****ing Weider and the musclemags would try to educate people a bit and give them something they can use rather than hawking supplements and promoting the drug beauty pagents that are competitive BBing.