Standing versus Sitting
Jamis Buck at Signal vs. Noise – Standing versus Sitting:
"So I propped my keyboard and mouse up on a few encyclopedias and gave it a go. The first week was rough on my feet and legs, which ached constantly. I kept a bar stool handy for resting periodically on, but I really tried to stand at least 80% of the time. After that first week, though, things improved rapidly.