The twinge came back, for a half hour, lower back, when nodding. For about 15 minutes
I fell over when turning and answering my mobile phone! It might have been my ankle sprain avoidance routine as it was rough ground, but surprised the shit out of me! I do not wanrt to blame it as a symptom, but...
I looked at my latest MRI scan, and could not tell if anything had changed- ah well, will have to wait for February check up.