The vet called, and via VET.CT I have been diagnosed with paroxysmal dyskinesias. This fits with my rare and short-lived back leg stiffness.
If it gets worse, I may need a MRI to check for structural intracranial disease. If there’s, for example, some kind of mass growing, I might expect this to happen more often. Or: spontaneous remission also happens.
Gluten sensitivity has been implicated, but by chance I’m on a delicious food which is already gluten free (BTW, more please!).
The photo shows where I was shaved to take some blood yesterday,