There is a rich history of inversion for health going all the way back to Hippocrates. Inversion (or hanging upside down) has many benefits such as spinal decompression/pain management, lymphatic drainage, enhanced autoregulation of blood pressure, vestibular system enhancement, improving spatial awareness, relaxation, and more.
There are ways to invert from the ground such as yoga handstands, etc., and there are also a few equipment options that enable one to invert with even more benefits.
Here are some educational videos on the benefits of inversion boots:
Here are the “Teeter Company” inversion equipment options we recommend. We only recommend Teeter because of their high quality and safety standards: