The Taiji. Black represents the qualities of Yin and white represents the qualities of Yang.
The Qualities of Yin and Yang
The qualities of Yin – The character for Yin literally translates as the shady side of the mountain. The qualities of Yin are cooling, rich, quiet, dense, solid, deep and dark. It is quiescence, stillness and rest. Yin nourishes and replenishes. In the body, the Yin organs rule over the blood and fluids.
The qualities of Yang – Literally, the sunny side of the mountain. Yang qualities represent heat, action, movement, growth, and bright. It is activity and in the body and the Yang organs rule over the creation of energy, transformation, fire and heat in the body.
Again, Yin and Yang are relative concepts and are identified by comparing it to its opposite…..eh? They are qualities that identified by knowing the other. The sun is Yang (bright, hot, active) compared to the earth (cooler, moister, quieter). However, if we compare the earth to the moon, the earth is Yang while the moon is Yin as is it more quiet and more still than the earth–get it?
Before we delve further let’s look at some general opposites.
When orienting to direction, we should note that Asian cultures orient to the south. The emperor, as the child of heaven, always faced the south when greeting his subjects, so when applying Yin and Yang to the body, directions or maps, it is based on the emperor facing south.
Yin and Yang Rules–Yin and Yang have several rules that they abide by.
They create each other--Yin and Yang are constantly flowing from one to the other. When Yang reaches maximum at noon on the summer solstice, it immediately starts to show the influence of Yin as we then start to move back towards autumn. The next day is slightly shorter….more Yin.
They control each other–Each relies on the other to keep it in check. We rely on having enough Yin in the evening to allow us to rest from the day’s long activity. Too little Yin and we may experience anxiety, restlessness, and hot flashes in the evening–all possible signs that Yin is depleted.
They are opposites, yet compliment each other–Yin & Yang are opposite but complementary qualities. Each thing or phenomenon can be itself or its contrary. Yin contains the seed of Yang and vise versa. Another example–If we compare hot and cold water, hot water is Yang and cold water Yin. But if you compare hot water to steam the hot water becomes Yin relative to the steam which would be more Yang as it is less material and more active.
They transform into each other–Yin moves to maximum and transforms to yang. This happens through changes that either occur harmoniously in the normal course of events or through some ruptures and transformations that are characteristic of extremely disharmonious situations. Inhalation is followed by exhalation. At the boiling point water becomes steam and has tremendous power (Yang). Freezing point Water becomes ice (Yin) Another example is the seasons. Spring: Yang within Yin, the growth of Yang. We then flow into Summer, which reaches maximum Yang at the summer solstice before turning towards Yin again.
Yin/Yang are relatives concepts–Take the three qualities of energy, fire, water and wood. Fire is the Yang in relationship to water and earth. Earth is Yin in relationship to fire and water. Water is Yang to earth, and Yin to fire. Most Yang—Fire/ water/ wood/ earth/ metal–Most Yin. Get it?
Asian medicine understands that the universe is continuously changing. The cosmos is an integral whole, a web of interrelated things within which an entity can be defined by its function and has significance only as a part of the whole.
Yin and Yang theory is first basic theory of Asian medicine. From here, we can further refine and define our assessment and treatment principles. At the very basic level I teach my students to break everything down to Yin and Yang, no matter how complex the person’s pathology, it will always give a foundation to start with.