Naw, it is a muscle thing. I have two different inhalers, but they have no impact on what is a neurological condition. My muscles go rigid (think weightlifting your limit) at random times. I don’t know when they will happen, how long they will last, or what muscle groups will be involved. The most common are lower trunk and down for most people, but some have died when hit in heart or lungs for a deadly length of time.
Similar to how mine used to be.
Now they happen more often, but don’t usually last as long, or distort me quite so bad.
To people looking at me, they wouldn’t know about half of them, because my ability to twist, reach, or lean is temporarily stopped, but the muscle groups involved don’t cause any visible effects. All the more reason it is very lonely. It happens while I am shopping, and people walk by in all directions, completely unaware that I am trapped in a painful grip for a while. People only get a peek when I fall, or limbs fling, or my upper body jerks, and I can’t talk for a bit.