Acupuncture Points Notebook

Location Guides:

: Xialiao : Lower Crevice

Bl-34 : Foot Taiyang Bladder 34

Meeting of Bladder with Gall Bladder

Over the fourth posterior sacral foramen.

Perpendicular insertion 0.5 - 1 cun, or 1.5 - 2 cun through the foramen.

Contraindicated during pregnancy.

TCM Actions:
Regulates the lower jiao and facilitates urination and defecation
Regulates menstruation and stops leucorrhoea
Benefits the lunbar region and legs

TCM Indications:
  • Lower abdominal pain, borborygmus, diarrhoea, difficult defecation, constipation, blood in the stool, difficult urination, painful urinary dysfunction, shan disorder.
  • Dysmenorrhoea, itching, swelling and pain of the genitals, incessent green leucorrhorea leading to vaginal pain and pain radiating to the lower abdomen.
  • Pain of the sacrum and coccyx, lumbar pain, lumbar pain radiating to the testicles.

    Superficial Innervation: Dorsal rami of S1 - S3
    Dermatome Segment: S3
    Deeper Structures: Sacral nerve S1 emerging from foramen

    One of the Baliao or "eight crevices" located in the sacral foramen which all regulate urination, defecation, menstruation and benefit the lumbar region and legs. This one has the widest ranging effect on the intestines out of the group.

    Reference Notes: (click to display)