Names Of Wei Yang

UB 39 Acupuncture Point

  • English Name: Bend Yang
  • Pinyin Name: Wei Yang
  • Chinese Character: 委陽
Meridian Information

Where Is UB 39 ?

UB 39 Location

  • Lateral to UB 40 on the medial border of the tendon of biceps femoris.
  • For point location tips, read our meridian notes; unsure about "cun" measurements, read what is a cun?.

UB 39 Image


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What Is UB 39 Used For?

UB 39 Clinical Usages

  • 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.

There Are 67 Points Along The (UB) Urinary Bladder Meridian ...

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How Is UB 39 Categorized?

UB 39 Acupuncture Point Associations

What Diagnostic Patterns May Use UB 39 ?

This point along with others in a proper point prescription may be used to balance the following TCM Patterns:

For more on this, read "What Does Acupuncture Treat?" and "Point Prescription Guidelines".

What Conditions May Use UB 39 ?

This point along with others in a proper point prescription may be used to balance the following Conditions / Symptoms:

For more on this, read "What Does Acupuncture Treat?" and "Point Prescription Guidelines".

What Points Are Near UB 39 ?

UB 40 Bend Middle


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  • As the Lumbar Command Point, useful for all lumbar related issues: acute low back pain, sprain, muscle spasms, etc.
  • Main point for heat conditions such as summer heat, heatstroke and heat exhaustion.  Nightsweats in some cases from deficiency.
  • Main point for all skin related issues: itching, oozing, inflammation, eczema, etc.
  • Good local point for hip, leg a/or knee pain.

LV 8 Spring at the Bend

  • Tonify LV Yin and Blood, clears excess heat patterns.
  • Genital issues related to damp-heat - pain/swelling, retention of urine, cystitis, prostatitis, ovarian cysts.
  • Tonify Yin from mental, physical, emotional strain.
  • Medial knee pain.
  • Tong Ren/Tam Healing System: Knee problems, even if on the lateral side of the knee, also useful for abdominal pain, urination issues, groin issues (itch/pain).
  • Main treatment point of Liver Sho pattern (with KD 10) - in Japanese style Five Phase treatment protocol.

KD 10 Yin Valley


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  • Clears damp or damp-heat in the lower warmer - urgent/difficult urination, genital pain/itching, leukorrhea, uterine bleeding.
  • Main treatment point of Liver Sho pattern (with LV 8) - in Japanese style Five Phase treatment protocol.

Where Do I Go Next?

List Of Related Points

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