‘Kapala’ is a Sanskrit word, it means skull. ‘Bhati’ means to shine. The term ‘Kapalabhati’ means an exercise that makes the skull shine.
Sit on Padmasana. Keep the hands on knees. Close the eyes. Perform forceful exhalation followed by passive inhalation. This should be practised rapidly gradually. One will get perspiration profusely. Exhalation plays a prominent part. The head and the trunk should be erect. To start with, you can have one expulsion per second. Gradually you can have two expulsions per second. To begin with do one round in the morning consisting of 10 expulsions only. In the second week, do one round in the evening. In the third week, do two rounds in the morning and two rounds in the evening. Thus every week, gradually and cautiously increase 10 expulsions to each round till you get 120 expulsions for each round. It cleanses the respiratory system and the nasal passages. It removes the spasm in bronchial tubes. Consequently, Asthma is relieved and also cured in course of time. The lungs get proper oxygenation. Carbon dioxide is eliminated in a large scale. Impurities of the blood are thrown out. Tissues and cells absorb a large quantity of oxygen. The practitioner keeps up good health. Heart functions properly. The circulatory and respiratory systems are toned to a considerable degree.