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Urinary Bladder Meridian (Toot Tai Yang) Points

UB-39 (Wei Yang)


Chinese Name:

Weiyang 委阳

English translation:

Supporting Yang


At the lateral end of the popliteal transverse crease, on the medial side of the tendon m. biceps femoris.


Lower-He-Sea point of the San Jiao


  • Cramp of leg and foot.
  • Low back pain and stiffness, lower abdominal distension, lin syndrome, incontinence of urine, haemorrhoids, axillary swelling.
  • All types of syncopes, impotence, numbness, paralysis, fever in tuberculosis, spasms in general, very strong fullness in chest, fullness in chest or abdomen, edema, constipation.


Harmonizes the San Jiao, opens the water passages, benefits urination.


Perpendicular insertion 1.0 - 1.5 cun.

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