Uddiyana Bandha (Diaphragm)
Breathing is life. It is one of our most vital functions. One of the Five Principles of Yoga is Pranayama or Breathing Exercise which promotes proper breathing. Proper Breathing, in a Yogic point of view, is to bring more oxygen to the blood and to the brain, and to control prana or the vital life energy. Pranayama - the science of breath control, consists a series of exercises intended to meet these needs and to keep the body in vibrant Health.
The Practice of Uddiyana Bandha (Diaphragm)
Uddiyana Bandha, involves raising the diaphragm and keeping it immobile during an empty pause. The abdomen must be drawn in and up as far as possible. Expel all air before using this Bandha. In order to attain complete control and more comfort, one may put forth some effort in one or more mock inhalations, without admitting any air, before assuming fullest relaxation possible during this pause. You may combine both chin lock and raised diaphragm techniques in retaining an Empty Pause. These techniques can be employed in either a standing or sitting position and they are commonly employed together with Sitting Yoga Postures.
After exhaling completely pull the abdomen up and back towards the spine. This process forces Prana to the Sushumna Nadi.
Warning: Yoga Breathing Exercise or Pranayama are very powerful exercises. Many people experience dizziness or lose consciousness while practicing Beginner or Advanced Breathing Techniques. Practice all Breathing Exercises slowly and controlled. Perhaps ask a friend to stay with you when trying out a new Breathing Technique. In addition, you can also sign up for some Breathing or Yoga Classes and practice under supervision of an expert.