The boat pose, or Navasana, is one position in Ashtanga yoga to build core strength. If one of your goals in yoga is to trim your tummy, this is one movie you are going to want to learn. It can also help build strength around your midriff, bringing definition to your abdominal muscles. In this video, we learn how to position ourselves while entering the pose, as well as a few tips to keep in mind for a healthy routine. We also learn how to take the traditional Navasana, and combine it with a crunch for a more vigorous workout. Try it the next time you work out!