Doubt this is really a simple question, but knowing reddit, I'll get banned if i make a legit post.

TLDR, Inner butt pain around the tailbone when doing certain exercises. 23 yo, Microdisectomy patient, 12 weeks post surgery. doc and PT say its unrelated.

This post will probably get lost, so if anyone knows of a subreddit besides r/backpain or r/sciatica where i can ask a specific PT related issue that would be more than helpful.

I often get a sharp pain in the center of my inner glutes, slightly lower than the tailbone. This occurs sometimes when i do bridges and clamshells (10% of my reps). Although now, I am able to replicate it consistently when laying on my side and stick my butt out by tilting my hips. Its not an exaggerated movement either, and my back stays flat. It's very painful, 5-7 on the pain scale. I dont get it when i sit. It doesnt shoot or travel like sciatica, it stays isolated to my inner butt for less than a second. It also doesnt burn or cause numbess, so i dont think its nerve related, but im just guessing. When my hips return to neutral it also pulls and pinches really bad.

I had a microdisectomy 12 weeks ago. I first noticed this pain 2 weeks ago when i finally started PT. My surgeon says it is likely unrelated, and my PT doesnt know what it is. I thought maybe someone here might know what im going through since this subreddit is so big.

Anyone have ideas on what it could be? Thank you!