Find a comfortable seated position. Take a slow deep breath into the belly. Feel the breath expand the skin of the belly laterally, outward and downward. After your belly becomes full, guide the breath into the rib cage. Feel the rib cage expand laterally like an accordion. Moving from the ribs, draw the breath into the chest. The heart and collarbones will rise. To release the breath, expel the breath from the chest then the rib cage and lastly the belly. Take several rounds of the three part breath.
Increasing the length of inhalation.
Calms the nervous system, slows the mind, cultivates awareness, and increases lung capacity.