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Zhonglushu (BL-29), “Mid-Spine Shu”, on the sacrum, strengthens the lower back, relieves sciatica and regulates the Intestines.
Location
On the sacrum, 1.5 cun lateral to the midline, level with the third posterior sacral foramen (S3).
Anatomy
On the gluteus maximus; the lateral sacral artery; the dorsal rami of the sacral nerves.
Actions & Functions
- Strengthens the lower back and sacrum
- Regulates the Intestines and benefits the legs
Indications
Lumbosacral pain, sciatica, abdominal pain and diarrhoea, and stiffness of the lower back.
Needling
0.8-1.2 cun, perpendicular insertion.
Moxibustion Suitability
Suitable for moxibustion.
Point Combinations
With BL-25 and BL-54 for lumbosacral pain and sciatica.
Classical Text References
A point of the Bladder channel on the sacrum.
Cautions & Contraindications
None specific.
Latest Research
Latest peer-reviewed research on this point will be summarised here, with citations linked to PubMed, via our research integration.