The tip of the thumb is made to touch the tips of both middle and ring fingers together in both the hands, while keeping the other two fingers straight.
This posture cleanses the body and thus helps in elimination of waste matter from nose, mouth, ears and eyes. It regulates prana and apaan vayu in the body and keeps the body healthy. It is very useful in case of stomachache and urinary problems. If vayu mudra and apaan mudra are performed simultaneously, it has an extraordinary curative effect in heart problems. It works like sorbitrate tablets in the case of heart diseases.