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Channel: ST, foot yáng brightness (yáng míng) stomach channel

Modern location: An acupoint located on the chest, in the second intercostal space, on the midclavicular line.

Classical location: In the depression one cùn and six fēn below Storeroom (ST-14), four cùn from the midline. The point is found in supine posture. From The Great Compendium of Acupuncture and Moxibustion (针灸大成 zhēn jiǔ dà chéng)

Local anatomy: The pectoral branch of the thoracoacromial artery and vein, second intercostal artery and vein. The anterior cutaneous branches of the thoracic nerves, and the medial pectoral nerve.

Action: Courses wind and relieves pain.

Modern indications: Cough; panting; distension and pain in the chest and rib-side; mammary welling-abscess (rǔ yōng).

Classical indications: Cough and counterflow qì ascent; pain in the breast; generalized wind itch or pain with discomfort exacerbated by clothes; pain and lack of strength in the limbs; infantile panting with distension.

Needle stimulus: Needling: 0.3 cùn downward oblique insertion. Moxa: 3‒5 cones; pole 5‒15 min.

Point name meaning:

• 屋 wū: house, room
• 翳 yì: a shade, canopy; feather screen

This point is employed in treating counterflow cough qì ascent, phlegm rheum, spitting of blood or pus, and other lung diseases. The position of the lung as the uppermost of the five viscera likens it to a roof; the name of the point is thus illustrates its relationship to the lung in both location and function. The female breast rises at this point like the slanting roof of a house, providing further justification for the naming of this point as Roof. See acupoint names: origins, meanings, and translations.

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