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SI-7 Branch to the Correct

支正 〔支正〕 zhī zhèng

Channel: SI, hand greater yáng (tài yáng) small intestine channel

Modern location: An acupoint located on the ulnar aspect of the forearm, 5 cùn proximal to SI-5 on the anterior edge of the ulna.

Classical location: Five cùn behind the wrist. From The Great Compendium of Acupuncture and Moxibustion (针灸大成 zhēn jiǔ dà chéng)

Local anatomy: The terminal branches of the posterior interosseous artery and vein. Superficially, the branch of the medial antebrachial cutaneous nerve; deeper, on the radial side, the posterior interosseous nerve.

Action: Clears the spirit-mind; resolves exterior heat; courses channel evils.

Modern indications: Headache; dizzy vision; stiff nape; febrile disease; mania and withdrawal; aching pain in the elbow and arm.

Classical indications: shivering; heat effusion with aversion to cold; headache; loss of grasping ability of the fingers; febrile disease with sweating; withdrawal disease; fright, fear, sorrow and worry; lumbar pain.

Needle stimulus: Needling: 0.3‒0.5 cùn perpendicular insertion. Moxa: 3‒5 cones; pole 5‒20 min.

Point groups: Network (luò) point.

Point name meaning:

The word used for a channel branch is 支 (zhī). Here, because the heart is the ruling organ, it is called the correct (正 zhèng); therefore SI-7 is the Branch to the Correct. If the character 正 (zhèng) is taken to indicate the true (regular) channel and 支 (zhī) is taken to represent the network vessel, then the name Branch from the True is also justified. See acupoint names: origins, meanings, and translations.

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