Prana, the life force, consists of five prana vayus, or “essential airs,” each defined by the specific ways that energy moves in the body. Although subtle, we can begin directing the movement of prana by choosing poses that activate one or more of the prana vayus. This short introduction will give you a framework for working with prana in specific ways, and can help you find ways to more skillfully balance your energy body with the power of asana.