This is simply an extension of the half-bridge. From the half-bridge bring your hands over your head and place them palms down next to your ears with your fingers pointing toward your shoulders. Now push up and place the top of your head on the floor.
Be careful, and do not try to hold this posture longer than you are comfortable.
If you have high blood pressure, do not do this posture at all.
Start with a few seconds and increase gradually.
Contraindications: Serious lower back problems, hernia, High blood pressure, detached retina, neck problems