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Ha, I'm remember that one jno :D
I find the general noise the machine makes quite soothing in a way, not so much the scanning noises! Most of my other ones (knee, foot and bowel) have been head out of the tube though. Lower spine one I think I was in, had to be helped off the table after as it had locked while in there!
Do not want a repeat of the bowel one again though, whatever the stuff was they made me drink before was awful, had trouble keeping it down.