Ok, some questions are answered from the old days of VBT here (2013 era) from this very informative video

ASC involves the mini open and also the incision of the Anterior Ligament. Much evolved from adult anterior (ALIF) fusion surgeries of the past....(Anterior releases)

ASC on adults up to age 54. It looks like L3 is the lowest they can go.....

https://www.youtube.com/watch?v=o6Ij...el=Dr.DerekLee

I will have to watch this one a few more times....

I will admit, I do miss my flip phone. (smiley face)

Ed