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BL-39 Bend Yáng
委阳 〔委陽〕wěi yáng
Alternate names: BL-53
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.
Classic 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. (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.
Classic indications: Axillary swelling;
Needle stimulus: Needling: 0.5‒1.0 cùn perpendicular insertion. Moxa: 3‒7 cones; pole 3‒5 min.
Point groups: Lower uniting point (xià hé xué) of the triple burner.
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