Traditional Chinese Medicine

The 12 Meridians

A map of how energy flows through the body.

Rivers of energy

In traditional Chinese medicine, qi, our life force energy, travels through the body along channels called meridians. There are 12 primary meridians, and each is connected to an organ and named for it: Lung, Large intestine, Stomach, Spleen, Heart, Small intestine, Bladder, Kidney, Pericardium, Triple warmer, Gallbladder, and Liver.

Six of the meridians are yin and six are yang. Yin meridians connect to the organs that store and nourish, while yang meridians connect to the organs that receive, transform, and pass things along. Every meridian runs along both sides of the body, forming a mirrored network that reaches from the torso to the fingertips, the head, and the toes.

Think of the meridians as rivers. When qi flows freely, the body rests in natural balance. When the flow slows or becomes blocked, it begins to collect what the body does not need, and over time that can show up as discomfort or illness.

How qi travels

The 12 meridians as one unbroken circuit, with each meridian's traditional time of peak flow.

Each meridian has its own path, yet together they form one continuous circuit. The diagram follows qi through all 12 in their traditional order, grouped into three circuits of four meridians.

  • Follow the line as it winds. The first circuit runs left to right, the second returns right to left, and the third runs left to right again. Within each circuit, qi moves from the torso out to the hands, up to the head, down to the feet, and back to the torso.
  • Each meridian has a direction. Arm yin meridians run from the torso to the hands, arm yang meridians from the hands to the head, leg yang meridians from the head to the feet, and leg yin meridians from the feet back to the torso.
  • The circuits connect. Dotted links show where one circuit hands off to the next inside the chest, and the Liver returns qi to the Lung so the cycle begins again.

The meridian clock

Qi is also said to move through the meridians in rhythm with the day. Each meridian has a traditional two-hour period of peak flow, shown beside its name in the diagram, beginning with the Lung from 3 to 5 am and ending with the Liver from 1 to 3 am. These traditional times follow the sun rather than the clock on the wall, so local clock times run somewhat later, especially during daylight saving time.

How the Elements work together

Each Element with its yin and yang meridians, emotion, and season.

Chinese medicine groups the meridians into Five Elements, also called the five phases, drawn from nature: Fire, Earth, Metal, Water, and Wood. Each Element pairs a yin meridian with a yang meridian (Fire holds two pairs) and is associated with a season and an emotion.

  • The generating cycle (sheng). Each Element nourishes the next, the way wood feeds fire, fire leaves earth as ash, earth bears metal, metal gathers water, and water nourishes wood.
  • The controlling cycle (ke). Each Element also keeps another in check, the way water cools fire, fire melts metal, metal cuts wood, wood breaks through earth, and earth contains water.

In this view, health is balance among the Elements: none too strong and none too weak, each supporting and restraining the others in turn.

Keeping the river flowing

Tai chi, qigong, yoga, and breathwork work along these same channels. Slow, intentional movement and deep breathing help qi circulate through the meridians, supporting the free flow that Chinese medicine associates with health, balance, and vitality.

When the river flows freely, all is in natural balance.

Feel the flow for yourself

Experience how gentle, mindful movement brings the meridians into balance.

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These diagrams are simplified illustrations for education. They are not a substitute for diagnosis or treatment by a licensed practitioner.