You may think this will look silly, but sitting on a workout ball at work can benefit your health.  Instead of sitting in a regular chair where you may slouch over and develop bad posture, try a workout ball.  It makes you sit with a straight back and also burns calories and works your ab muscles.  Sitting down for hours on end is not healthy for your back or physical fitness.  Check out this article to see more reasons why an exercise ball at work will be beneficial to you!