Unlike Kapalbhati, both inhale and exhale are active and equal — like pumping a bellows. Rest fully between sets.
Keep in mind
The strongest practice in the catalogue. Build up only after weeks of Kapalbhati.
Avoid if: Pregnancy, menstruation, high or low blood pressure, heart conditions, epilepsy, hernia, recent surgery, glaucoma or detached retina, panic or anxiety disorders, or any active respiratory infection.