Pranayama - The Silence Of Breathing
Pranayama, also known as yogic breathing is the method of
silencing the breath. Prana has been defined as the air which
flows through the body. Pranayama is made up of three parts:
controlled inhalations, controlled exhalations and holding of
the breath. When you do all three parts, it is called sahita,
while doing only the holding breath without the other two is
called kevala. You should start with sahita till kevala comes
into being. This is a technique that controls all that is
associated with prana.
Our breathing is made of two acts of inhalations and
exhalations. These acts are followed in cycles where inhalations
and exhalations succeed each other, where you take in air into
the lungs and then release some of it back from the lungs. In
between the inhalation and exhalation, there is a short gap
which usually escapes our attention. This act is called
respiration and is usually completed in four seconds in the
resting phase. We usually respire nearly fifteen times a minute.
You can take in about 400 cubic centimeters or 0.4 liters in a
minute. When you do deep inhalations, you take in additional 1.6
liters of air and 2 liters in all. At the time of deep
exhalations, you throw out all these 2 liters of air but still
your lungs contain another 1.5 to 2 liters of air.
Thus, the total lung capacity of the human body for a normal
individual is about 5 liters. The amount of air that you can
exhale through deep exhalation after a deep inhalation is called
as Vital Capacity. Dividing this number by the weight of the
body gives you the Vital Index, which shows the capacity to
breathe as well as the vitality of the body and its efficiency
in the body's functions. Regular practice of yogic breathing has
been shown to increase yogic breathing. This raises the vitality
of the body and efficiency of the bodily functions.