Jing (TCM)
Encyclopedia
Jīng is the Chinese word for "essence", specifically kidney
Kidney
The kidneys, organs with several functions, serve essential regulatory roles in most animals, including vertebrates and some invertebrates. They are essential in the urinary system and also serve homeostatic functions such as the regulation of electrolytes, maintenance of acid–base balance, and...

 essence. Along with
Qi
In traditional Chinese culture, qì is an active principle forming part of any living thing. Qi is frequently translated as life energy, lifeforce, or energy flow. Qi is the central underlying principle in traditional Chinese medicine and martial arts...

 and shén, it is considered one of the Three Treasures
Three Treasures (traditional Chinese medicine)
The Three Treasures or Three Jewels are theoretical cornerstones in traditional Chinese medicine and practices such as Neidan, Qigong, and T'ai chi. They are also known as Jing Qi Shen . Despeux summarizes....

 Sanbao 三寶 of Traditional Chinese Medicine
Traditional Chinese medicine
Traditional Chinese Medicine refers to a broad range of medicine practices sharing common theoretical concepts which have been developed in China and are based on a tradition of more than 2,000 years, including various forms of herbal medicine, acupuncture, massage , exercise , and dietary therapy...

 or TCM. Jīng is stored in the kidneys and is the most dense physical matter within the body (as opposed to shén which is the most volatile). It is said to be the material basis for the physical body and is yīn
Yin and yang
In Asian philosophy, the concept of yin yang , which is often referred to in the West as "yin and yang", is used to describe how polar opposites or seemingly contrary forces are interconnected and interdependent in the natural world, and how they give rise to each other in turn. Opposites thus only...

in nature, which means it nourishes, fuels, and cools the body. As such it is an important concept in the internal martial arts. Jīng is also believed by some to be the carrier of our heritage (similar to DNA
DNA
Deoxyribonucleic acid is a nucleic acid that contains the genetic instructions used in the development and functioning of all known living organisms . The DNA segments that carry this genetic information are called genes, but other DNA sequences have structural purposes, or are involved in...

). Production of semen, in the man, and menstrual blood (or pregnancy), in the woman, are believed to place the biggest strains on jīng. Because of this, some even equate jīng with semen, but this is inaccurate; the jīng circulates through the 8 extraordinary vessels and creates marrow and semen, among other functions.

One is said to be born with a set amount of jīng (pre-natal jīng, also sometimes called yuan qi
Yuán qì
In traditional Chinese medicine and Chinese culture, yuán qì is a description of one form of qi. It is usually described as "innate" or "pre-natal" qi to distinguish it from acquired qi that a person may develop of their lifetime....

) and also can acquire jīng from food and various forms of stimulation (exercise, study, meditation.) Theoretically, jīng is consumed continuously in life; by everyday stress, illness, substance abuse, sexual intemperance, etc. Pre-natal jīng by definition cannot be renewed, and it is said it is completely consumed upon dying.

So, this jīng is considered quite important for longevity in TCM. Many disciplines related to qìgōng
Qigong
Qigong or chi kung is a practice of aligning breath, movement, and awareness for exercise, healing, and meditation...

 are devoted to the replenishment of "lost" jīng by restoration of the post-natal jīng. In particular, the internal martial arts (esp. T'ai chi ch'uan) and the Circle Walking of Baguazhang
Baguazhang
Bāguàzhǎng is one of the three main Chinese martial arts of the Wudang school, the other two being Taijiquan and Xingyiquan. It is more broadly grouped as an internal practice...

 may be used to preserve pre-natal jīng and build post-natal jīng - if performed correctly. Commonplace in China is the sight of rénshēn
Ginseng
Ginseng is any one of eleven species of slow-growing perennial plants with fleshy roots, belonging to the genus Panax of the family Araliaceae....

 on sale in herb shops, at a wide range of prices - Kung Fu classics fans may remember it used as a plot element at the start of Drunken Master 2. Rénshēn, particularly Korean and Chinese, is said to bolster the jīng and a common medicinal recipe is to add to porridge (of course congee
Rice congee
Congee is a type of rice porridge popular in many Asian countries. It can be eaten alone or served with a side dish. Names for congee are as varied as the style of its preparation...

 in China) along with cinnamon, goji berries and ginger for a sweet, warming breakfast when the weather starts to turn cold in Autumn.

An early mention of the term in this sense is in a 4th century BCE chapter called "Inner Training" (內業) of a larger text compiled during the Han dynasty
Han Dynasty
The Han Dynasty was the second imperial dynasty of China, preceded by the Qin Dynasty and succeeded by the Three Kingdoms . It was founded by the rebel leader Liu Bang, known posthumously as Emperor Gaozu of Han. It was briefly interrupted by the Xin Dynasty of the former regent Wang Mang...

, the Guǎnzi (管子).

Jīng (精; essence) should not be confused with the related concept of jìn (勁; power), nor with jīng (經; classic/warp
Warp (weaving)
In weaving cloth, the warp is the set of lengthwise yarns that are held in tension on a frame or loom. The yarn that is inserted over-and-under the warp threads is called the weft, woof, or filler. Each individual warp thread in a fabric is called a warp end or end. Warp means "that which is thrown...

), which appears in many early Chinese book titles, such as the Nèi Jīng, yì jīng
I Ching
The I Ching or "Yì Jīng" , also known as the Classic of Changes, Book of Changes and Zhouyi, is one of the oldest of the Chinese classic texts...

 and Chá Jīng, the fundamental text on all the knowledge associated with tea.

See also

  • Dantian
    Dantian
    Dantian, dan t'ian, dan tien or tan t'ien is loosely translated as "elixir field". It is described as an important focal point for internal meditative techniques.There are various points of dantian...

  • TCM model of the body
    TCM model of the body
    The model of the body in traditional Chinese medicine has the following elements:* the Fundamental Substances;* Qi, Blood, Jing , Shen that nourish and protect the Zang-Fu organs;...

  • Triple burner
  • Yuan qi
    Yuán qì
    In traditional Chinese medicine and Chinese culture, yuán qì is a description of one form of qi. It is usually described as "innate" or "pre-natal" qi to distinguish it from acquired qi that a person may develop of their lifetime....

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