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TB-4 Yáng Pool
阳池 〔陽池〕yáng chí
Alternate names: 别阳 bié yáng, Divergent Yang
Channel: TB, Hand Lesser Yáng (shào yáng) Triple Burner Channel
Modern location: An acupoint located on the dorsal aspect of the wrist, in the depression between the tendons of the extensor digitorum (communis) and the extensor digiti minimi.
Classic location: In a depression on the back of the wrist; feel straight along from the base joint of the fingers to the center of the wrist. (Zhēn Jiǔ Dà Chéng)
Local anatomy: Inferiorly, the dorsal venous network of the wrist and the posterior carpal artery. The dorsal branch of the ulnar nerve and the terminal branch of the posterior antebrachial cutaneous nerve.
Action: Disperses wind and drains heat; frees the channels and network vessels.
Modern indications:
Classic indications: Dispersion-thirst and dry mouth;
Needle stimulus: Needling: 0.3 cùn perpendicular insertion. Moxa: 3‒5 cones; pole 5‒15 min.
Point groups: Source point (yuán xué).
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