The Rivers of Breath

A map of cities is useless without its roads. The chakras are the cities of the subtle body, and they are strung, like beads, along its roads. Before we visit a single centre, we have to walk the channels that connect them, because in the texts the channels come first. You do not reach a chakra. You reach it along something.

That something is the nadi.

The word comes from a root meaning to flow, and a nadi is a channel, a conduit, a river. What flows along it is prana: the life-force, the vitality that rides on the breath and animates the body. The subtle body, in this account, is no set of organs. It is a watershed, a country defined by its rivers. The texts give the rivers a number, and the number is enormous. Seventy-two thousand, say the Hatha Yoga Pradipika and the Goraksha Samhita. The Shiva Samhita, in Srisa Chandra Vasu’s old translation, counts differently and arrives at something closer to three hundred and fifty thousand. The figures do not agree, and the disagreement is itself instructive. No one was counting. The numbers are a way of saying that the network is past counting, that the subtle body is threaded through with channels the way a leaf is threaded with veins.

Out of that uncountable web, three rivers matter.

The two that we live by

Run a line down the left side of the spine and another down the right. The left channel is ida. The right is pingala. The tradition loads them with opposed qualities, and the opposition is the engine of the whole system. Ida is lunar, cooling, associated with the moon, with the quality of tha. Pingala is solar, heating, associated with the sun, with the quality of ha. Put the two syllables together and you have hatha, the sun-and-moon yoga, the discipline whose very name encodes the union of these two flows.

These are the channels we live by without knowing it. The ordinary breath alternates between them. Notice, on any given hour, that one nostril tends to flow more freely than the other, and that the dominance switches through the day. The tradition reads that switching as the visible trace of ida and pingala taking turns. Most of a life is spent oscillating between the cooling left and the heating right, the two banks of a river that never quite runs straight.

Between them, normally shut, is the third channel. The one that matters most.

Sushumna, the closed road

Sushumna runs up the central axis, the spinal column of the subtle body, from the base to the crown. It is the road to liberation, and in the ordinary person it is closed. The whole of the practice, in a sense, is the labour of opening it.

The texts describe sushumna as more intricate than a single tube. Within it runs a finer channel, and within that a finer one still, the innermost called the Brahma-nadi, the channel of the absolute, the true path of ascent. And along this central road sit obstructions: the three granthis, the knots. The Brahma granthi, the Vishnu granthi, the Rudra granthi. Traditions place them differently, and this treatise will not pretend to a single fixed map where the sources disagree; commonly the Brahma knot is set low, near the root, and the others higher, at the heart and the brow. What they share is the role. They are the deep bindings, the places where the central channel is sealed, and the rising power must pierce each one. They are why the road is hard.

Prana and its five winds

What moves along these channels is prana, but prana is not a single undifferentiated force. The texts divide it into five vayus, five winds, each with a direction and a domain. Prana proper governs intake, seated in the chest. Apana governs elimination and the downward movement, seated in the pelvis. Samana governs digestion, seated at the navel. Udana governs the upward movement and speech, seated in the throat, and it is udana that the tradition associates with the rising of the power through sushumna. Vyana pervades the whole body, governing circulation. Beneath these are five lesser winds governing the small involuntary acts, the blink, the sneeze, the yawn.

The point of the anatomy is the lever it makes possible. If prana is what moves life through the channels, then whoever can govern prana can redirect life itself. And prana rides on the breath. This is the hinge of the entire system. By disciplining the breath, by the practices gathered under the name pranayama, the yogi works on prana directly. The classic technique unites the upward prana and the downward apana, often with the help of the muscular locks called bandhas, and drives the merged force inward and upward, against the grain of the ordinary alternating flow, into the mouth of sushumna.

When that happens, the two rivers we live by, ida and pingala, fall still. Their alternation stops. The breath, the tradition says, is suspended, and the life that rode on it pours into the central channel. The Hatha Yoga Pradipika is blunt about the stakes: while the breath moves in ida and pingala, the mind is restless; when it enters sushumna, the mind grows still. The whole architecture of nostrils and winds and knots exists to make one thing possible, and that one thing is the opening of the closed road.

Why this comes before the serpent

It is tempting to skip the channels and go straight to the drama, to the coiled power and its blazing ascent. Most popular accounts do exactly that. But the ascent is meaningless without the road it climbs. The coiled power, when she wakes, does not float up through the colours of a rainbow. She enters the mouth of sushumna, pierces the Brahma granthi, and travels the innermost channel, knot by knot, centre by centre, toward the crown. Every term in that sentence has been laid down in this chapter. The serpent climbs a real road, through real locks, driven by a real lever.

The next chapter wakes her.

The map is drawn. The rivers are named. What sleeps at the source has not yet stirred.