Feel like the 9-hour workday is dragging you down? Well, chances are it is – a recent study by the American Cancer Society reported that sedentary lifestyles can dramatically increase your risk for obesity, diabetes and an array of other health problems. If you’ve been looking for a way to keep fit without sacrificing productivity, check out our top 5 picks for exercise-desks. That’s right, you could  potentially run a mile while simultaneously running those expense reports!