UB 39

Acupuncture Point Theory

UB 39 Acupuncture Point Applications and Theory

The acupuncture point "UB 39" , 委陽, is represented by "Wei Yang" in pinyin and "Bend Yang" in english and may be found:

Lateral to UB 40 on the medial border of the tendon of biceps femoris.


Of many possible clinical applications, it may be considered to influence the following issues/symptoms:

  • Harmonize the triple warmer, damp heat conditions effecting the lower warmer: disperse for difficult urination, tonify for urinary incontinence.
  • Frees the channel - lumbar pain, lower intestinal distention, hemorrhoids.
  • Swellings in the axillary region.
  • Local point for knee issues.


Ub 39 has the following theoretical associations which serve as important guideposts in designing an effective treatment protocol:

Explore ub 39 functional grouping theory - Lower He Sea.

A single acupuncture point is not commonly thought of as an empirical way to influence a TCM diagnostic pattern. UB39, however, is a strong candidate to be incorporated into an acupuncture protocol for patients who exhibit: Bladder Damp Heat and/or Large Intestine Damp Heat

UB 39 may potentially be used, in coordination with a well designed acupuncture treatment protocol, to influence the following conditions: Arm Pain, Back Pain, Hemorrhoids, Incontinence, Knee Pain and/or Urinary Disorders (Lin Disease)

While not necessarily valid clinically, KD 10 (Clears damp or damp-heat in the lower warmer - ur…), LV 8 (Tonify LV Yin and Blood, clears excess heat patte…), UB 38 (Similar functions to the bladder points on the sa…) and UB 40 (As the Lumbar Command Point, useful for all lumba…) are nearby.

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