Ideally you want both exercise sessions and "smaller daily activities". For exercise, a great way to spend your time is the bike. It's great transportation, gr

Ideally you want both exercise sessions and "smaller daily activities". For exercise, a great way to spend your time is the bike. It's great transportation, great views, and makes you feel good. If biking outside or to/from work isn't an option sign up for a spinning class. It's high intensity, low impact, easy on your body, but demanding enough to give you a great workout. For smaller stuff throughout the day, just go for small walks around your work building. A Fitbit/Garmin/fitness tracker also can come in handy and also help you track your heartbeat and sleep over time as well as give you motivation.