The gallbladder and fu organs are yang and are the key link of yang qi. The point is next to Danshu (BL19), hence the name.

[Location]

Yanggang (BL48) acupoint
(quoted from "Meridians and Acupoints")

• Zhenjiu Jiayi Jing: "In the area where there is a three-inch depression on both sides of the tenth vertebra".

[Anatomy]

• Muscles: latissimus dorsi, iliocostalis (in the chest just where the diaphragmatic costal sinus and the lower edge of the lungs meet).
• Nerves: Lateral branches of the posterior branches of the ninth and tenth thoracic nerves.
• Vessel: dorsal branches of the tenth intercostal artery and vein.

[Manipulation]

oblique insertion 0.5～0.8 inches. It should not be too deep to avoid accidentally entering the chest and injuring the lungs. moxa cone moxibustion 3 to 7 weeks, moxa stick warm moxibustion for 10 to 15 minutes.

[Efficacy]

clearing heat and draining dampness, soothing the liver and fortifying the spleen, choleretic and anti-jaundice

• Classical: body heat, yellow eyes, fluid retention, inability to eat, thunder in the abdomen, irregular bowel movements, yellow and red urine, diarrhea , dysentery, abdominal distension and fullness, red eyes, consumptive thirst.
• Modern: jaundice, hepatitis.

[Recipe]

• Huang: Danshu (BL19), Yanggang (BL48).