no stranger to back issues ( mine are related to hardheadness, and the CP) I gotten suck sittingni the pc chair and yelling for over an hour for mom or someone ( didn't care if it wa stranger off the street) to help me get out cause i h ad to use restroom (at 11pm at night) .

Have you tried some thing like icyhot or such to see if that will relax the muscle ot even allow your back to pop? IF only able to sit up right try having it yourself propped up in a sitting postion ( with feet in aire on your back) be surprise how that works ( until you roll over )

I also use to have niecce or nepheew walk on my back they did it so much ( enjoyes it) that my back be semi numb and i was able to walk arond a gain for a bit like a normal human.