Another day, another dollar. In this economy, it’s easy to make work a fulltime priority at the expense of seemingly dispensable endeavors like a fitness routine. But not only does all work and no play make Jack a dull boy, it also puts him at risk for headaches, back aches, listlessness, and lowered productivity. (Not to mention this could pack a few pounds on him.) If you have the kind of workplace flexibility that affords you lingering lunch breaks at the gym—great. Pack a salad, grab your towel, and take advantage of it.