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CV-9 Water Divide
水分 〔水分〕shuǐ fēn
Alternate names: 分水 fēn shuǐ, Divided Waters; 中守 zhōng shǒu, Central Guard
Channel: CV, Controlling (rèn) Vessel
Modern location: An acupoint located on the upper abdomen, 1 cùn superior to the umbilicus on the midline.
Classic location: Directly above Spirit Gate (CV-8), one cùn above the navel. (Yī Zōng Jīn Jiàn)
Local anatomy: See CV-8.
Action: Moves spleen-earth and disinhibits water-damp.
Modern indications: Abdominal pain; diarrhea; prolapse of the rectum; water swelling; vacuity desertion.
Classic indications: Stomach reflux food vomiting;
Needle stimulus: Needling: 0.5‒1.0 cùn perpendicular insertion. Moxa: 5‒7 cones; pole 10‒20 min.
Warning: In older texts, needling of this point is contraindicated in cases of swelling and distension (use moxa).
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