They were exercising their little horse.
Bet there were ten doctors nearby.
I bet it was in a straight line, too. Seems to me people that are debilitated do better with a long repetitive sequence than one which changes constantly.
I remember seeing a program or something like that also that dealt with people who had some kind of motor disease and they were fitted with special glasses that broke up the field of view - somehow the debilitated mind was better able to deal with movement through that sight picture. I’ve seen pictures of her at times with similar glasses that looked like prisms....