Bahya pranayama has many benefits. It can ease constipation and hernias; positively affect individuals suffering from diabetes; cure prostate, sperm and urine ailments; support digestion; improve concentration; and calm the mind. It is contraindicated for yogis with heart conditions, blood pressure issues, or who are pregnant.
This breathing exercise should be practiced after kapalbhati, so the energy created by kapalbhati can evolve into greater forms. It should also be practiced on an empty stomach.
Engaging the three bandhas during the practice is called the tribandha, known for awakening the power of kundalini.