Vata is concerned with gati- motor and gandhana- sensory functions of the body. The life of an individual is dependent upon these two functions. The movements may be visible or invisible. Both pranavata and udanavata are concerned with some of these visible and invisible movements in the body. The locomotion is a visible movement and it is one of the most important functions of a living being. All movements are effected through the contractions and relaxations of the muscles. The vyanavata is the next sub-division which is in control of the voluntary movement of the body.
Location of vyana vata-
No specific place as location of vyana has been mentioned by charaka and susruta, but both agreed that it pervades swiftly through the body. According to vagbhata the vyana is located in hrdaya, but traversed through out the body very swiltly.
Function of vyana vata-
According to charaka the functions of vyana vata are motion (gati), extension (prasarana), withdrawal (akshepa), blinking of eyes (Nimesha), etc and proper ejection of rasadhatu into the circulation throughout the body. According to susruta, the function are-