Callista wrote:
I hate sitting in chairs. I slouch or lean back or pull my legs up into the seat.
Ha ha! I do the same, and always have!
Also, I wonder if this is something really is common to ASD/ADHD. I remember watching a Japanese cartoon online about a boy with ADHD, and this took place in Japan. Posture while sitting was one of the things I noticed. In Japanese school, students are taught a very specific way of sitting of straight, and there are like posters in the school telling the children how to sit. In the classroom the ADHD boy was in, all the students were sitting perfectly, except for her him. He had his elbow on the desk, with his head on his hand, and was kinda leaning over to one side, in stark contrast to his classmates. Apparently, the teachers had given up trying to correct him, because no one had said anything to him about that.
It might also be associated with schizophrenia, because I see for childhood schizophrenia, one of the early warning signs in toddlers is a "weak and slumping posture":
http://www.childrenshospital.org/health ... izophrenia
Of course, that seems highly non-specific. Heck, a lot of those early warning signs look a lot like autism/ADHD, which I think is much more common in children.