Vyana is a yogic term applied to the sum total of pranic energy, which is distributed in the body. It is one of the 5 types of pranic energies in the body as mentioned in
yoga and
Ayurveda. The other four types of energy are Prana, Samana,
Apana and Upana.
Vyana is said to reside in the various joints in the body. It is related with blood circulation, heart rhythm and the sense of touch.