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BL-39 Weiyang (委陽) — Yang of Wei Zhong
BL-39
Weiyang
委陽
Yang of Wei Zhong · Outside of the Crook
Ponto He-Mar Inferior do Triplo AquecedorSafeMembro Inferior
Depth
00.5–1 cun3.0
Perpendicular insertion
Precautions
Avoid the common fibular nerve.
Location (classical)
At the lateral end of the popliteal crease, on the medial border of the tendon of the biceps femoris.
How to find it (practical)
In ventral or lateral decubitus, locate the point 1 cun lateral to Wei Zhong (BL-40).
Anatomy
Tendon of the biceps femoris, lateral head of the gastrocnemius. Innervated by the common fibular nerve.
Needling
Perpendicular insertion, 0.5–1.0 cun.
Etymology
Wei (委), referring to Wei Zhong (BL-40); Yang (阳), lateral. The point lies lateral to Wei Zhong (BL-40).
CLASSICAL SOURCELing Shu
Clinical Relations
Adjacent Points on the Meridian