Herbalife fitness expert, Samantha Clayton shares her advice to help you become more active and, consequently, happier. When working out people focus on the muscles they can see, but focusing on your not so visible muscles is important. Samantha Clayton advises that this is especially true of your core muscles so take a moment to think about how you can fit a full body workout into your busy routine. In this video they demonstrate the superman position as core strengthening exercise.