Shunya Mudra is sometimes included in practices related to mudra for high blood pressure due to its calming effect on the nervous system. It is formed by bending the middle finger and touching it with the thumb, while other fingers remain extended. This mudra is often practiced in stillness with deep breathing. It encourages a quiet mind and steady awareness. A relaxed nervous system ... https://www.rudrayogaindia.com/best-hand-mudra-for-high-blood-pressure