Sometimes called "Wheel Pose."
This is one of the most beneficial intermediate level postures. Even if you aren't quite ready for it yet, it is good to know what you will be able to do easily and comfortably as your practice progresses.
Don't miss the shoulder stretch at 6m30s! Great to do while sitting in front of computer!
Watch Laruga Glaser as she demonstrates and explains the anatomy of Urdhva Dhanurasana.