Hey @skitchymo, I am having a very similiar issue. I am 4 months post THR posterior left side. On the second night home from surgery I had a "spasmatic episode" in my hip/pelvis area that lasted about 2 minutes. It was excrutiatingly painful and I was sure I had completely ripped out my new hip. Xray showed nothing. Fast forward four weeks and I had to stop physical therapy due to extreme pain while doing straight leg lift. Again, xray showed nothing. I definitely believe I am having an issue around my psoas tendon or femoral nerve( which seems to fire on its own at night). In addition, I have "slow start up" pain getting up from sitting and in the first several steps. I also have upper thigh pain which massage seems to help. I tried for a second opinion and was told they wouldn't see me tell I was 1 year out of surgery. My surgeon just wants to wait and see? How are you progressing skitchymo? Could you give an update? I appreciate others feedback also. Thanks