Anxiety affects your mental state and yoga, pranayamas and mudras are helpful to release stress from the mind. The Uttarabodhi Mudra is one of the best mudra to help with anxiety.
In order to practice it, Index fingers and thumbs of both hands should be joined together. While the index fingers point to the ceiling, point the thumbs to the floor.
This simple practice helps to calm an agitated mind or soothe the nerves before starting any seemingly overwhelming task.