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BL-21 Stomach Transport

胃俞 〔胃俞〕wèi shù

Channel: BL, Foot Greater Yáng (tài yáng) Bladder Channel

Modern location: An acupoint located on the back, level with the inferior border of the spinous process of the twelfth thoracic vertebra, 1.5 cùn lateral to the midline.

Classic location: One cùn and five fēn either side of the spine, below the twelfth vertebra. The point is found in straight sitting posture. (Zhēn Jiǔ Dà Chéng)

Local anatomy: Medial branches of the posterior branches of the subcostal artery and vein. Medial cutaneous branch of the posterior ramus of the 12th thoracic nerve; deeper its lateral branch.

Action: Regulates the center and harmonizes the stomach; transforms dampness and disperses stagnation; supplements center qì to eliminate vacuity.

Modern indications: Chest and rib-side pain; pain in the stomach duct; abdominal distension; retching and vomiting; rumbling intestines.

Classic indications: Stomach cold; abdominal distension and rumbling intestines; diarrhea; water swelling and drum distension; marked emaciation; tension and pain in the back; hypertonicity of the sinews; inability to get food and drink down; prolapse of the rectum; accumulation lumps persisting for many years; no pleasure in eating; jaundice.

Needle stimulus: Needling: 0.5 cùn downward oblique insertion. Moxa: 3‒7 cones; pole 20‒30 min.

Needle sensation: Distension and numbness often spreading forward along the ribs.

Point groups: Transport point (shù xué) of the stomach.

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