I understand what you are saying, but that's optimising for the 10% of time you aren't using the chair. In the software world I would have to question the wise

I understand what you are saying, but that's optimising for the 10% of time you aren't using the chair. In the software world I would have to question the wiseness of that decision. But I wouldn't erase from the whiteboard without a discussion. Listening to your body when it tells you to move is a very wise thing to do indeed, but it should never be relied upon to guide your behaviour. Because you will eventually just put up with it. And you neck, back, shoulders will suffer.