Ok. So I'm 22 years old and had an l4-l5,s1 anterior approach fusion with plates, screws, cages, and the bmp2 protein with cadaver bone. I'm off all narcotics and am only taking tramadol. The pain has slowly diminished. For whatever reason now, I'm starting to have this sort of jerking back/catching sensation when I step forward too far, lean a little back, lean a little to the left or right, etc and I can figure out what's going on ? Has anyone else had this and is it normal?! It is painful for about the 2-3 seconds it happens. It's almost like I can feel the hardware and it DOESN'T like what I'm doing. I fell about a week ago and was pretty sore after but am feeling better now. While I had this catching sensation rarely before, it's now become a daily (at least 5 or more times a day) type feeling. Frustrated and just wondering if this is a normal or relateable symptom.