Other things you'll see mentioned in stickys -
Top rib mobilization
manual TrP work- I had a pressure pointer but it didn't work as well as small ball on wall or floor or fingers..They have a very good chart on their website for helping to find the spot for each symptoms..

you won't resolve any muscle issues until trigger points are released..
only very gentle passive stretching & posture /body work , pushing thru will only aggravate the TrPs

https://www.neurotalk.org/members/100-albums422.html