Prana (capital P Prana) is the the Sanskrit word for breath, "life force". It is the vital force permeates reality on all levels including inanimate objects. Within our Somas, five Prana Vayus (winds) are an analogy for physiological functions governed by different aspects of the nervous system. These include: Ability to take in, Ability to discern, Ability to distribute, Ability to let go, Creative expression. This practice uses a chair, floor space, and inflated therapy ball or roundish-soft-ish object.