Wish I could help you--I would bet there are back braces, but I dont know how comfortable they would be. I have heard of people using neck braces, but that is only when they have the drooping head, not the whole back. My husband is sort of hunched over which I think is common. He is always in a recline position unless he is eating (sits forward in his pwc and then back). I notice in his shower chair that he hunches and has very little control for leaning side to side. do you have a recliner or big office chair that he can sit in to help hold his head and shoulders up while he eats and uses the computer? I would think the hunching forward also makes it harder to breathe.