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GV-14 Great Hammer

大椎 〔大椎〕 dà zhuī

Alternate names: 百劳 bǎi láo, Hundred Taxations

Channel: GV, governing () vessel

Modern location: An acupoint located on the upper back, inferior to the spinous process of the seventh cervical vertebra.

Classical location: Above the first vertebra. From The Golden Mirror of Medicine (医宗金鑑 yī zōng jīn jiàn)

Local anatomy: The branch of the transverse cervical artery. The posterior ramus of the eighth cervical nerve and the medial branch of the posterior ramus of the first thoracic nerve.

Action: Courses exterior evils in the yáng channels; frees yáng qì of the whole body; clears the heart and quiets the spirit; clears lung heat and regulates qì.

Modern indications: Febrile disease; malarial disease; cough; panting; steaming bone tidal heat effusion; epilepsy; headache and stiff nape; wind papules.

Classical indications: Vexation and retching in cold damage with pronounced heat effusion; heat effusion with aversion to cold; cough; pulmonary distension and rib-side pain; stiff nape; throat impediment (hóu bì); qì fullness and panting; the five taxations and seven damages; wind taxation; acute and chronic child fright wind; vacuity sweating.

Needle stimulus: Needling: 0.5 cùn sideways and upward oblique insertion. Moxa: 3‒15 cones; pole 15‒30 min.

Needle sensation: Twinge and distension, heat, or coolness extending downward, upward and toward the shoulders.

Point groups: Intersection point (jiāo huì xué) of the six yáng channels and the governing vessel.

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