A few mobility exercises can get you back hiking to full strength. Use a large ball, like a soft ball (Justin is using a SuperNova) and a smaller ball like a lacrosse ball. These are ideal because they are hard, effective and easy to travel with to regattas. If your feel lower back pain while sailing then this tutorial is for you.
Follow the exercises in the video whenever you feel tightness, and enjoy better posture, less pain, and stronger hiking!