Same as yesterday, lower back that's more likely my pelvis getting pulled out of alignment, nerve damage to the costachondrial muscles in my chest, neck muscles get a bit much from time to time but I can get a good stretch on them which helps, and finally my left ankle that I broke as a boy in a car crash is playing up and I'm going over it with fairly regularity which is painful at the time but then fades to a constant dull ache after that.
Other than that, I reckon I'm as fit as a butcher's dog.