I know Lisa~ (and probably others) have posted this article before, but with all the new people, I thought it deserved reposting. So much good information here.
We are having fitness and wellness challenges and programs at work and I am trying to pass on useful articles and tips to the team captains to motivate their teams. This is the article I gave them today, written by Alwyn:
http://www.funfitnesssolutions .com/hierarchy_fat_loss.htm