ST 31

Acupuncture Point Theory

ST 31 Acupuncture Point Applications and Theory

The acupuncture point "ST 31" , 髀關, is represented by "Biguan" in pinyin and "Thigh Joint" in english and may be found:

On 2 lines connecting the ASIS and the superiolateral corner of the patella and level with the lower border of symphysis pubis in a depression with thigh flexed lateral to the sartorius muscle.


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

  • ST 31, ST 32 & ST 33 are all useful for Bi-Syndromes a/or Wei Syndromes (flaccidity or weakness) of the lower legs.
  • Pain in the thigh, muscular atrophy/weakness, knee pain, low back pain.

A single acupuncture point is not commonly thought of as an empirical way to influence a TCM diagnostic pattern. ST31, however, is a strong candidate to be incorporated into an acupuncture protocol for patients who exhibit: Spleen Qi Deficiency

ST 31 may potentially be used, in coordination with a well designed acupuncture treatment protocol, to influence the following conditions: Arthritis (Bi Syndromes), Back Pain, Knee Pain, Leg Pain, Muscle Weakness and/or Muscular Dystrophy

While not necessarily valid clinically, CV 2 ( Generally useful for Deficiency and Cold-Type…), GB 30 (Sciatica, pain, numbness, atrophy of lower back, …), LV 10 (Local point.), LV 11 (Local point. The LV 9 - LV 11 area may be reactiv…) and SP 12 (Used for a variety of urinary disorders (retentio…) are nearby.

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