The Washington Post’s infographics department tested 12 exercises for a week to see which ones real people could incorporate into a workday. These moves were recommended by experts whose jobs involve studying motion, preventing obesity and generally getting people off their duffs. (The little videos are hysterical).
Check it out here
And if you want to get serious consider a Steelcase WalkStation. We have one at our office and it is amazing how much use it gets —I’m on it right now!