HIT overtrains you faster than conventional "volume" training. HIT is a logical argument based on a false premise. That premise is that full intensity (100%) is the PRIMARY cause of muscular growth. That is not true. It has never been shown that full intensity is optimal for maximal growth. Full intensity IS the most stressful on the nervous system. The nervous system is what causes overtraining, not muscular fatigue. That's why runners can train everyday and not overtrain, yet performing single max attempts for even 1 exercise will quickly overtrain even if done 1x per week.
Where ARE the "HIT" trainers? methzer, before he died, used to take long layoffs, as did his brother Ray. Dorian Yates was a victim of burnout. Boyer Coe tried it for awhile and lost all kinds of size.
HIT HAS been around since the 70's. Where is ONE bodybuilding, powerlifting, olympic lifting champion that has used it since day 1 to develop their physique or talent?
The cream always rises to the top. Low carb diets, even though they were ridiculed by Doctors, the media, the food industry, nutritionists OVERCAME the nay sayers to become mainstream and accepted. Why? BECAUSE THEY WORK. Why hasn't HIT done the same?
HIT was given a fair shake by the "powers that be", like Bob Kennedy, Peary Rader etc. Ironman still promotes it or at least talks about it. HIT has had more of a fair shake than other "failed" systems. Yet, no HIT made champs. Not one.
Jones and Darden didn't get big doing HIT. They lifted conventionally before, then did HIT. That's why Jones came up with it in the first place, because he couldn't train as much anymore. He got lazy.
Why did Viator go back to conventional training? The Colorado experiment is just an example of: Muscle memory in an ARTIFICIALLY underweight NATURALLY big person who STARTED using drugs again AND training again. What a crock.
I always get a laugh out of people who say how "hard" HIT is. HIT is easy compared to some of the systems out there. Tom Platz did Mentzer intensity but for up to 30 sets per bodypart.
It is MUCH easier psychologically to get up for your 1 "Big set" than for a workout of TWENTY SETS per bodypart, then doing TWO MORE bodyparts for 20 sets. THEN coming back the next day and doing it again 6 days per week. Not even close in comparison. THAT'S hard.
It's the difference between sprinting an "all-out" 100 yard dash, and the pain of a mile run. NO COMPARISON.
AGAIN, why did Viator, Coe, Grymkowski go back to REGULAR HIGH VOLUME TRAINING. I guess they were sick of the results and gains, and wanted to be in the gym for 2 hours a day instead of 30 min 2x per week. LOL.
Hit sucks.