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Channel: BL, foot greater yáng (tài yáng) bladder channel

Modern location: An acupoint located on the posterior aspect of the knee, at the lateral end of the popliteal crease, on the medial side of the biceps femoris tendon.

Classical location: Six cùn below BL-36. The point is in front of the foot greater yáng (tài yáng) and behind the lesser yáng (shào yáng), between the two sinews on the outer end of the popliteal fossa. From The Great Compendium of Acupuncture and Moxibustion (针灸大成 zhēn jiǔ dà chéng)

Local anatomy: See BL-38.

Action: Disinhibits the triple burner and regulates the waterways; frees the channels, quickens the network vessels and relieves pain.

Modern indications: Abdominal fullness; inhibited urination; pain and stiffness in the lumbar vertebrae; cramps of the leg and foot.

Classical indications: Axillary swelling; hemorrhoids; hypertonicity of the knee.

Needle stimulus: Needling: 0.5‒1.0 cùn perpendicular insertion. Moxa: 3‒7 cones; pole 3‒5 min.

Point groups: Lower uniting (xià hé) point of the triple burner.

Point name meaning:

• 委 wěi: crooked, bent; to bow under a burden
• 阳 yáng: yáng, the complement of yīn

This point’s name is explained by its location on the yáng side of the bend of the knee, i.e., the popliteal crease. See acupoint names: origins, meanings, and translations.

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