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Zhongliao (BL-33), “Central Bone-Hole”, one of the eight liao points, benefits the lower burner and relieves lumbosacral pain.
Location
On the sacrum, in the third posterior sacral foramen (S3).
Anatomy
Over the third posterior sacral foramen; the lateral sacral artery; the dorsal ramus of the third sacral nerve.
Actions & Functions
- Benefits the lower burner and the genitals
- Regulates menstruation and urination
- Relieves lumbosacral pain
Indications
Irregular menstruation, abnormal vaginal discharge, difficult urination, constipation, and lumbosacral pain.
Needling
1.0-1.5 cun, perpendicular insertion into the foramen.
Moxibustion Suitability
Suitable for moxibustion.
Point Combinations
With BL-31, BL-32 and BL-34 for lower-burner disorders.
Classical Text References
One of the eight liao points of the sacrum.
Cautions & Contraindications
Caution in pregnancy.
Latest Research
Latest peer-reviewed research on this point will be summarised here, with citations linked to PubMed, via our research integration.