Hi. I am a female aged 25. 5 months back, I was in a car accident which resulted in a compression fracture of the L1 vertebrae. I received surgery and after a lot of bed rest, I am on my feet again. Of course the back hurts every now and then, but what I am worried about is the fact my buttocks swell up every time I sit for a long period of time or stand. The doctors are not giving me an answer and don’t seem to think it’s a problem. But I still wonder what could be causing it. They swell up and somewhat hurt as well. Any help will be appreciated.