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LU-9 Great Abyss

太渊 〔太淵〕tài yuān

Alternate names: 太泉 tài quán, Great Spring

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

Modern location: An acupoint located on the palmar aspect of the wrist, in the depression at the radial end of the wrist crease, between the radial artery and the abductor pollicis longus tendon.

Classic location: At the pulsating vessel, at the inner extremity of the crease, behind the hand. (Zhēn Jiǔ Dà Chéng)

Local anatomy: The radial artery and vein. The lateral antebrachial cutaneous nerve and the superficial ramus of the radial nerve.

Action: Dispels wind and transforms phlegm; rectifies the lung and suppresses cough; clears and depurates upper burner and lung qì.

Modern indications: Panting; cough; coughing of blood; painful swollen throat; pain in the chest and medial aspect of the forearm.

Classic indications: Panting and fullness in the chest; eye pain and eye screens; throat impediment (hóu bì); toothache; headache; pain in the clavicle; pain along the inner face of the forearm; heart pain; chest impediment (xiōng bì); cold reversal; retching; shivering; dry pharynx; manic raving; pain or lack of strength in the wrist; generalized heat effusion and sweating in warm disease; cold in the palms; lack of radial pulse.

Needle stimulus: Needling: 0.2‒0.3 cùn perpendicular insertion. Moxa: 1‒3 cones; pole 3‒5 min.

Needle sensation: Localized twinge and distension.

Point groups: Stream (shù) (earth) and source point (yuán xué); meeting point (huì xué) of the vessels.

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