Prana refers to the universal life force particularly breathe and yama means to regulate or lengthen. Prana is the vital energy needed by our physical and subtle layers, without which the body would perish. It is what keeps us alive. Pranayama is the control of prana through the breath. These techniques rely on breathing through the nostrils.
Although there are many practices of pranayama, some of the important ones are mentioned below:
1. Kapalbhati Pranayama
"Kapal" means forehead and "bhati" means shining. Eventually, Kapabhati should bring about a glow on the face of the practitioner. Kapalbhati is very useful for awakening kundalini shakti as well.
Process: Sit straight with your spine erect and cross your legs in front of you. Take in a deep breath and exhale quickly and suddenly, making a puffing sound while you do it. Focus on exhaling forcefully and not on the inhalation. When you exhale, draw your abdominal muscles inward simultaneously. Your abdomen should rise when you inhale and fold when you exhale. Continue for 10 breaths and then take a break. Perform two more similar sets.
2. Anulom-vilom pranayamam
Anulom Vilom Pranayama is another type of pranayam. In this breathing technique, you inhale from one nostril at one time and release the breath through the the other nostril. You alternate between the two nostril at a regular comfortable pace.
Process: Close your eyes and relax. Sit in this position for a couple of minutes till you settle down. Close your right nostril with your right thumb. Breath in from your left nostril. Hold the breath for a couple of seconds. Open right nostril and close left nostril with middle and ring finger. Breath out from right nostril. Breathe in from right nostril, close the right nostril. Open left nostril and breath out.Repeat above steps 5-10 minutes.
3. Purak, Rechacka and Kumbhaka
This breathing process chiefly involves two activities, viz., inhaling and exhaling. Of these the former is called "Puraka" and the latter "Rechaka" in Yogashastra. The state when these two activities are made to halt is given the name "Kumbhaka" in Yoga Studies. The halt after inhaling, i.e., Puraka is called "Abhyantara Kumbhaka" and after exhaling, i.e. rechaka. It is called Bahya Kumbhaka. Here Purak means Inhalation of breath, Rechacka means Exhalation of breath and Kumbhaka means Retention of breath
Process: 1.Inhale-> halt for some time -> Exhale
2.Exhale-> halt for some time -> Inhale