Sore back, neck, or shoulders from sitting at your desk all day? It's more common than you might think, even with the latest ergonomic chairs, desks and stands. The University of Toronto recommends that for every 20 minutes you spend sitting, you should stand for eight minutes, and stretch for another two. Bianca shows you six stretches for the entire body that you can easily do at your desk, home, or whenever you feel the the urge to stretch.