Hmmm I can’t think of any good therapists where I live, they are all " stretch and use the bosu" ball for everything type people. I’ll have to look for a professional who can properly do troubleshooting.
Specific work as in fix what made the facets/SI lock and work on that ?
What are some common causes with lifters and sprinters for that fault ? Perhaps I can identify and approve some.
DOING the movements right after I hit Post 
Will see how they go !
Oh and when walking in the morning i can feel the tightness but doesn’t really affect my function as long as im upright and neutral.
Getting up with squat form is fine, but i cant be sloppy and pain free anymore. I pick up stuff from the floor like I’m about to deadlift a ton other wise Ouch.