Operating mechanism of the meridian system 12: Circulation of Sam-Cho (Operation of Sam-Po)
Sa-Ki ( 邪氣 ; harmful and bad Ki) and Tak-Ki ( 濁氣 ; turbid Ki) are emitted through Bae-Su-Hyul ( 背兪穴 ; 24 drainage acupoints on the back) and the sewerage acupoints of hands and feet during the circulation of the twelve main meridian routes and eight extraordinary meridian routes. Sa-Ki and Tak-Ki are emitted altogether with sweat, urine, and feces. Sa-Ki and Tak-Ki, which are not emitted out of body, tend to remain near acupoints and get accumulated in tender points ( 壓痛點 ; pressure points) intensively. If Sa-Ki and Tak-Ki get accumulated in the abdomen region, then they form “Jug ( 積 ; invisible and immovable cluster of bad energies to cause pains)” and “Chui ( 聚 ; invisible and floating cluster of bad energies to cause pains)”. Joong-Wan ( 中脘 ; CV12) is the acupoint where Sa-Ki and Tak-Ki get accumulated most frequently. Jung and Ki, which have not yet lost the magnetic fields after they finished circulations through the twelve main and eight extraordinary meridian r...