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LU-4 Guarding White

侠白 〔俠白〕xiá bái

Alternate names: 夹白 jiā bái, Pinching White

Channel: LU, Hand Greater Yīn (tài yīn) Lung Channel

Modern location: An acupoint located on the upper arm, 4 cùn inferior to the anterior axillary fold, on the lateral side of biceps brachii muscle.

Classic location: Below Celestial Storehouse (LU-3) at a pulsating vessel five cùn from the elbow. (Zhēn Jiǔ Dà Chéng)

Local anatomy: See LU-3.

Action: Regulates qì and blood; relieves pain.

Modern indications: Cough; panting; dry retching; vexation and fullness; upper arm pain; pain in the medial aspect of the arm.

Classic indications: Cough and counterflow qì ascent; heart pain and shortness of breath; dry retching; red and white sweat macules; vexation and fullness.

Needle stimulus: Needling: 0.3‒0.5 cùn perpendicular insertion. Moxa: 3‒5 cones; pole 10‒15 min.

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