First, it’s important to define what an inversion is. An inversion is any pose in which the head is below the heart or vice versa, the heart is above the head. Poses such as Downward Facing Dog, Headstand, Shoulderstand, Handstand, Supported Bridge, Legs Up The Wall and Forearm Balance all fall into the category of an inversion. But, as you can see, these poses vary greatly in their nature.