Ischial tuberosity (sitz bone) pain after Anterior hip replacement

I had a total anterior hip replacement Feb 2017 that did nothing more than generate a whole slew of other problems..One by one I am tackling each area..I just had a psoas tendon release and now I am working on the final problems with is pain with sitz bone which is ischial tuberosity.

I would like to hear from others who also had this AFTER hip replacement and how it was resolved.. Thank you for your help.

Just had to look that up and wonder if that is what I am suffering with. Was going along nicely till four weeks except the orange I was sitting on the suddenly my side started snatching like I was trapping a muscle . Rang OT support but they were useless. 

Now I can put my finger on the muscle/bone and the pain in my leg goes 

google ischial tuberosity symptoms and see if its a match...its your butt bone