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GB-37 Bright Light

光明 〔光明〕 guāng míng

Alternate names: 足少阳之络 zú shào yáng zhī luò,

Channel: GB, foot lesser yáng (shào yáng) gallbladder channel

Modern location: An acupoint located on the lateral aspect of the lower leg, 5 cùn superior to the tip of the lateral malleolus, on the anterior edge of the peroneus brevis muscle.

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

Local anatomy: The branches of the anterior tibial artery and vein. The superficial peroneal nerve.

Action: Regulates the liver and brightens the eyes; dispels wind and disinhibits dampness.

Modern indications: Eye pain; night blindness; distension and pain of the breast; wilting-impediment (wěi bì) of the lower limbs.

Classical indications: Heat effusion and aversion to cold with absence of sweating; withdrawal disease; itching of the eyes; retention of rabid dog bite toxin; pigeon chest in infants; grinding of the teeth.

Needle stimulus: Needling: 0.7‒1.0 cùn perpendicular insertion. Moxa: 3‒5 cones; pole 5‒20 min.

Point groups: Network point (luò xué).

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