I remembered the time when I was working at a Japanese firm. The management was so worried about their employees' health, and not attending to the morning exercise would get you reprimanded by your superiors. From 9 to 5 in office, typing documents, arranging and organizing things, taking calls, all were important but there's no physical challenges whatsoever. An article from Office 'N More suggest a way you one could stay on perfectly fit health by exercise you could do everyday, link below.
Link: Why You Should Walk to the Office (workplace fitness);
