Probably won't get you the equivalent of 8-10 miles a day, but you can buy some dumbbells, put them by your desk, and do a set of something every hour or so dur

Probably won't get you the equivalent of 8-10 miles a day, but you can buy some dumbbells, put them by your desk, and do a set of something every hour or so during a break. I aspire to do this, but often forget/get too lazy to do it often enough.