Throughout the illness the most obviously exciting cause of the attacks was posture, stopping over a writing-desk; and he ultimately had to do such work either kneeling or at a standing desk. – Lawson Tait, 1882

To those who visited the old Library of Congress at the Capitol he will always be associated with it — a long, lean figure, in scrupulous frock, erect at a standing desk, and intent upon its littered burden, while the masses of material surged incoherently about him. – Herbert Putnam, of librarian Ainsworth Rand Spofford (1825–1908), 1908, wo

Still, it is customary to keep pupils sitting too long at once. They ought to stand occasionally, or march around the room; and they should be required to exercise a few minutes in the open air, once an hour, at least. – American Annals of Education and Instruction, April 1832

Sitting kills, moving heals. – Joan Vernikos, c.2011