Vyāna

Vyāna; The Vāyu known as the Vyāna courses (acts) through the whole organism, and its functions consist in sending the lymph chyle, etc. all through the body and in helping the out-flow of blood (Asrik) and perspiration.

Five kinds of muscular movements are ascribed to the action of the Vyāna Vāyu, a deranged condition of which is generally attended with diseases which are not confined to any particular region, member, or organ of the body, but are found to affect the whole organism (such as, fever, etc)

The Vyāna is same as the energy of the Motor-Sensory Nerves;

Source

http://www.wisdomlib.org/definition/vy%C4%81na-v%C4%81yu/index.html