Boat Pose Is the Ultimate Core-Strengthening Exercise. Here’s How to Do It. A few breaths in Boat Pose proves the shape is among the most effective core-strengthening exercises around. The post Boat Pose Is the Ultimate Core-Strengthening Exercise. Here’s How to Do It. appeared first on Yoga Journal. Previous Article No Matter How I Teach, It’s “Not Yoga” for Someone Next Article Strawberry Spinach Salad