You are right that you are not the only one.

I found that when I did my stationary bike, with absolutely NO movement to the top of my body, (except maybe breathing), that at minute 6, I would always swell up on the right side, feel the pressure, and then have a full-blown pain flare by that night, that usually lasts a few days at least...

Quite a deterrent to exercise.

But, the solution of no movement is what caused my adelectosis (lungs gluing at the bottom from shallow breathing), and, we DO need aerobic exercise to the rest of the body.

So I do it (go for short walks) as soon as a pain flare is over, and then go ahead and have the pain flare, just kind of doing this pattern, for the sake of my over-all health.

Gentle massage seems to help smooth out the lumps that form on the muscles.