You guys have tried everything except making your back stronger. You can't stretch your way to a stronger back, you can't strengthen "micro stabilizer muscles" independently, you can't lose weight and run your way to a strong back, etc etc. Most likely your doctor doesn't know how to fix it either, and he damn sure won't recommend lifting heavy things (which is the only way you get stronger).
Starting Strength is the correct answer. If you've tried everything to no avail, read this: https://startingstrength.com/article/back-pain-and-back-strength
My back is stronger now at 43 than ever and the back pain and bulged disc issues I had at 30 are gone and a complete non-issue now. I don't ever even consider back pain anymore unless I read one of these posts. And I can do whatever I want and lift just about whatever I want without ever thinking about it.
TLDR? You're a human therefore you will have back pain. The only method that works every time is making the back strong.
Starting Strength is the correct answer. If you've tried everything to no avail, read this: https://startingstrength.com/article/back-pain-and-back-strength
My back is stronger now at 43 than ever and the back pain and bulged disc issues I had at 30 are gone and a complete non-issue now. I don't ever even consider back pain anymore unless I read one of these posts. And I can do whatever I want and lift just about whatever I want without ever thinking about it.
TLDR? You're a human therefore you will have back pain. The only method that works every time is making the back strong.