Tried and tested.
“Deadlifts and barbell squats for a low back in pain sounds like the stupidest idea that has ever appeared on PJ Media, I know. It flies in the face of The Conventional Wisdom. The fact is that it works nearly 100% of the time if you do it correctly, and that 90% of the time a stronger back not only stops hurting but also returns you to full unencumbered activity in less than a month.”
https://pjmedia.com/lifestyle/2016/11/30/back-pain-and-back-strength/?singlepage=true
Cyclerist 