You keep saying this but haven't demonstrated that it's harmful.
Did you even watch this video? He said that "theoretically," losing neutral spine under load can create a disc bulge. What proof does he give for this?
I'm guessing he's read academic research related to actual disc pressures in a variety of situations, among other stuff, as part of his doctoral degree.
You should look up academic research about squatting and see what they have to say.
He later said how much buttwink is too much and is very subjective. He then gives the example of an Olympic lifter snatching close to 400 lbs with about the same amount of buttwink as you showed in your video. The difference between the two is the back angle and knee angles in a snatch vs. low bar squat. Finally he said that research shows there's not much you can do about it.
I guess you could avoid butt wink if you wanted.
I'm sure it won't hurt.
Loading a barbell on your spine and squatting is actually not that much force relative to your body weight nor compared to many other athletic activities.
Link?
You literally just started this and you're telling us what proper technique is.
The internet, including this thread, is chock full of people talking about what proper technique is.
They all seem to disagree with each other.
It's also full of people saying they fucked up their back doing squats so you have to ask yourself what they did wrong, or if there was an anatomical issue.
There are also a ton of people with bulging discs an no issues.
I don't think you're putting yourself at a huge disadvantage avoiding butt wink.
You're not going to get anywhere with this. You're too prissy.
That's a first, lol, usually I'm described by people who know me as more of a dirtbag or slob.
Earlier this week you also accused me of being "groomed" in public school (despite the fact I went to private school most of my life)
You also claimed I'm a porn addict (I maybe indulge once a month, if that)
And that I was planning early retirement (I'm not, I'd get bored) and that my wife was going to leave me due to my "porn addiction" and take 2/3s of my income.
These are strange claims to throw out about people you don't know.
But funny.
Aren't you the guy who preaches the terrifying consequences of occasional THC usage?
Do you think more people get hurt smoking weed a few times a week or due to improper squat technique?