I used to have one in my arm and it felt like a band around it.

It can manifest itself in quite a few ways. Many get a "tightening" of the muscles in the chest and back, sort of like a bear hug.

Others get sporadic tightening of various miscles in the chest/back/torso. These can tighten or "quiver" for seconds, or a minute, or an hour, and then release.

What are you feeling?

When I had it (it’s gone away now but persisted for years) it would feel like someone grabbed me around my ribcage from behind coupled with an electricity-like feeling down my back. It only happened when I flexed my neck downwards…however, you would be amazed just how much your neck flexes downward without you thinking about it until you have something that shows up every time you do it. Lol I think it’s different for everyone- mine was not painful as much as it was startling, but I know that some people experience quite a bit of pain with it.

Great description, @Golgotham! I feel like someone snuck up on me from behind and gave me a slow squeeze around my rib cage. No fun!

It feels like my bra is too tight around the band part. I get something in my esophagus feels like a cramp around it. Stops me in my tracks!