I am a workhorse, and I freely and readily admit this. I often plunk myself down in front of my computer at 6:30 am and shut it down at 11:00pm with only short breaks thrown in to make dinner or grab groceries. It’s bad for me; I know this. You know who else it’s bad for? You! I know you’re doing it too. Don’t try and pull one over on me, lady. When’s the last time you moved from your computer? Exactly. So let’s talk about how you and I are going to get our sedentary butts in better shape, …