Moving into a new freedom in your neck by activating the jaw, using the voice, which is a "constraint" that provokes you to use your diaphragm and abdominals. The diaphragm is a thin skeletal muscle that sits at the base of the chest and separates the abdomen from the chest. In the interest of bringing yourself into a greater sense of aliveness, discover how the pelvis affects mobility as you go up the line. If you have a four inch roller, that's helpful, but this lesson can be done with or without one.