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BL-67 Reaching Yīn
至阴 〔至陰〕zhì yīn
Alternate names: 指井 zhǐ jǐng, Digit Well
Channel: BL, Foot Greater Yáng (tài yáng) Bladder Channel
Modern location: An acupoint located a little more than 1 fēn below the base of the nail on the lateral aspect of the little toe.
Classic location: On the outer side of the small toe, the width of a garlic chive leaf away from the corner of the nail. (Zhēn Jiǔ Dà Chéng)
Local anatomy: The network formed by the dorsal digital artery and plantar digital proprial artery. The plantar digital proprial nerve and the lateral dorsal cutaneous nerve of the foot.
Action: Courses wind in the vertex; rectifies qì and quickens the blood; clears the brain and brightens the eyes.
Modern indications: Headache; eye pain; nasal congestion; nosebleed; malposition of the fetus; difficult delivery.
Classic indications: Nosebleed with clear snivel; eye screens; seminal emission; inhibited urination; generalized itching; pain and weakness of the limbs;
Needle stimulus: Needling: 0.1 cùn upward oblique insertion. Moxa: 3‒5 cones; pole 3‒5 min.
Point groups: Well (jǐng) (metal) point.
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