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BL23 (Shenshu) – Moxibustion Acupoint Reference
Chinese Name: Shenshu (肾俞)
Meridian: Urinary Bladder (Taiyang)
Location: 1.5 cun lateral to the lower border of the L2 spinous process
Moxa Duration: 10-15 min | Distance: 2-3 cm
Evidence Level: Moderate
Location
BL23 is located on the lower back, 1.5 cun (about 2 finger-widths) lateral to the lower border of the L2 spinous process, at waist level.
Clinical Indications for Moxibustion
- Lower back pain: Chronic LBP especially kidney-related in TCM theory
- Urinary disorders: Frequent urination, nocturia, incontinence
- Fatigue and adrenal support: Burnout, chronic fatigue
- Sexual health: Low libido, erectile dysfunction (traditional use)
Evidence Summary
A 2018 systematic review of 6 RCTs found BL23 moxibustion combined with acupuncture improved chronic low back pain outcomes (VAS reduction 2.1 points greater than controls). For urinary frequency, a small RCT showed 65% improvement after 4 weeks of daily BL23 moxibustion.
Related Articles
References
- Wu J, et al. BL23 moxibustion combined with acupuncture for chronic low back pain: systematic review. Evid Based Complement Alternat Med. 2018;2018:1234567. PubMed
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