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LR-5 Woodworm Canal
蠡沟 〔蠡溝〕lǐ gōu
Alternate names: 交仪 jiāo yí, Intersection Apparatus; 足厥阴之络 zú jué yīn zhī luò,
Channel: LR, Foot Reverting Yīn (jué yīn) Liver Channel
Modern location: An acupoint located on the medial aspect of the lower leg, 5 cùn superior to the tip of the medial malleolus, in a small groove or dishlike depression on the tibia.
Classic location: Five cùn above the inner anklebone. (Zhēn Jiǔ Dà Chéng)
Local anatomy: Posteriorly, the great saphenous vein. The branch of the saphenous nerve.
Action: Courses the liver and rectifies qì; disinhibits damp-heat.
Modern indications: Inhibited urination; enuresis; menstrual irregularities; vaginal discharge; mounting qì (shàn qì, inguinal hernia); wilting-impediment (wěi bì) of the lower limbs.
Classic indications: Scant flooding and spotting; painful swollen testicles; frequent erection; cold mounting (hán shàn); aching and cold in the feet and lower leg; lumbar pain; frequent belching; swelling and pain in the smaller abdomen; white vaginal discharge; yīn protrusion (yīn protrusion (prolapse of the uterus)).
Needle stimulus: Needling: 0.2‒0.5 cùn backward oblique insertion. Moxa: 3 cones; pole 5‒10 min.
Needle sensation: Localized numbness and distension, sometimes extending up to the knee or the external genitalia.
Point groups: Network point (luò xué).
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