Originally Posted by
John Hanley
Where was the herniation? How'd you do it? Is the ache doing the "superman drill" uni or bilateral?
No...extension is not produced automatically.
Assuming you have good posture...you want the arrangement of your vertebrae relative to one another in the squat & DL to be similar to what they are in neutral standing posture. Of course, with work-set loads, maintaining this "neutral spine" is going to require the most focused volitional contraction of your life. Getting it right takes a while. Some peeps never get it right.
Video form checks are incredibly limited in their usefulness for unfucking subtle, complex technique issues.