I’ve been slowly fixing weak glues and posterior chain, which were causing knee pain (problem solved).
Starting with hip hinging (no weights), and continuing thru deadlifting, was surprised how much I can feel my lats where they attach to rib cage.
Was reading this article https://www.strongerbyscience.com/how-to-deadlift/#The_Importance_of_the_Lats last week and found this great band exercise:
Already seems to be helping.