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BL-25 Large Intestine Transport
大肠俞 〔大腸俞〕 dà cháng shù
Channel: BL, foot greater yáng (tài yáng) bladder channel
Modern location: An acupoint located on the lower back, level with the inferior border of the spinous process of the fourth lumbar vertebra, 1.5 cùn lateral to the midline.
Classical location: One cùn and five fēn either side of the spine, below the sixteenth vertebra. The point is found in prostrate posture. From
Local anatomy: The posterior rami of the 4th lumbar artery and vein. The posterior ramus of the 3rd lumbar nerve.
Action: Courses and regulates the large and small intestine; rectifies qì and transforms stagnation.
Modern indications: Abdominal distension; diarrhea; constipation; lumbar pain.
Classical indications: Rumbling intestines and abdominal distension; intestinal afflux (cháng pì) diarrhea; inability to get food and drink down; stabbing pain in the umbilical region; emaciation despite large food intake; inhibited urination and defecation; gripping pain in the smaller abdomen.
Needle stimulus: Needling: 0.5‒1.0 cùn perpendicular insertion. Moxa: 5‒10 cones; pole 20‒30 min.
Needle sensation: twinge and distension, often spreading downward.
Point groups: Transport point (shù xué) of the large intestine.
Point name meaning:
The point’s association with the large intestine accounts for its name. See