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This point, level with the Kidney Shu, tonifies the Kidney, benefits essence, strengthens the lower back and supports the will (zhi).
Location
On the lower back, 3 cun lateral to the lower border of the spinous process of the second lumbar vertebra (L2), level with BL-23.
Anatomy
On the erector spinae and latissimus dorsi; the lumbar artery; the dorsal rami of the lumbar nerves.
Actions & Functions
- Tonifies the Kidney and benefits essence
- Strengthens the lower back
- Supports the will (zhi) and benefits the genitals
Indications
Chronic lower back pain, seminal emission and impotence, difficult urination, oedema, and lack of will-power and fearfulness.
Needling
0.5-1.0 cun, perpendicular insertion.
Moxibustion Suitability
Highly suitable - moxa tonifies and warms the Kidney.
Point Combinations
With BL-23 and KI-3 to tonify the Kidney and strengthen the lower back.
Classical Text References
The outer Back-Shu of the Kidney, associated with the zhi (will).
Cautions & Contraindications
Avoid deep insertion towards the kidney.
Latest Research
Latest peer-reviewed research on this point will be summarised here, with citations linked to PubMed, via our research integration.
