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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 ninth thoracic vertebra, 1.5 cùn lateral to the midline.

Classical location: One cùn and five fēn either side of the spine, below the ninth vertebra. The point is found in straight sitting posture. From The Great Compendium of Acupuncture and Moxibustion (针灸大成 zhēn jiǔ dà chéng)

Local anatomy: Medial branches of the posterior branches of the intercostal artery and vein. Medial cutaneous branches of the posterior rami of the 9th and 10th thoracic nerves; deeper, their lateral branches.

Action: Supplements provisioning-blood; disperses stasis; dispels liver-gallbladder damp-heat; stabilizes the mind and brightens the eyes.

Modern indications: Jaundice; rib-side pain; vomiting of blood (blood ejection); nosebleed; red eyes; dizzy vision; night blindness; mania and withdrawal; epilepsy; pain in the spinal column.

Classical indications: Painful accumulations, gatherings and glomus; cough causing acute pain in the chest and rib-side; nosebleed; smaller abdominal pain; shortness of breath.

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

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

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

Point name meaning:

• 肝 gan1: liver
• 俞 shù: acupuncture point

The point’s association with the liver accounts for its name. See acupoint names: origins, meanings, and translations.

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