Just to make clear… Serene Possum yesterday was an April Fool’s Day post! That’s just how I end up at the end of a workout! I thought the links to cats and the Wiki article on April Fool’s day would give it away, but I guess I gave too many links to click!
The “real” pose that’s closest to Serene Possum is Corpse Pose, or Savasana, and here’s a little more about it: