Playing while seated, the avatar's arms are always portrayed reaching forward as if to grab something. It's a little disconcerting. I tried to outsmart the interface by standing, using the "reach" interface to reset the height, and then sitting again. The result is pretty hilarious; the avatar is portrayed hunched over and ambulating like a chimpanzee.
I suppose the most satisfactory way to fix this would be to portray the
avatar traveling around seated in a scooter.