One work/school setup that is often overlooked is where the work is going to be done. Most people do their work at a desk or table, but this can really limit the amount of movement (and comfort) you are able to enjoy while working.
And if comfort isn’t enough motivation alone, consider the research that shows changing position and moving frequently can (1) strengthen learning, (2) improve memory and retrieval, and (3) enhance motivation and morale (yes, this is the same link from the last post).
Option #2: Flexible Worksurfaces
If you missed it, be sure to check out Option #1: Flexible Seating.