# BL51 Huangmen (Vitals Gate) – Bladder Meridian

肓門 · huāng mén

Location: 3 thumb widths lateral to the GV05 at the level of the lower border of the spinous process of the 1st lumbar vertebra.

Cautions: Avoid deep perpendicular needling due to risk of pneumothorax.

Canonical page: https://acuiq.com/points/bl51

## Indications

An indication list is a reference index, not a prescription – see the protocols below for sourced treatments.

Arthritis Sacroiliac Joint, Arthritis Sacroiliac Joint, Benefit Breasts, Benefit Breasts, Benefit Digestion, Benefit Digestion, Constipation, Breast Disorder, Breast Disorder, Gastrointestinal Disorder, Gastrointestinal Disorder, Breast Fullness, Breast Fullness, Hardness Below Heart, Hardness Below Heart, Injury Sacroiliac Joint, Injury Sacroiliac Joint, Myalgia Back Long Extensors, Myalgia Back Long Extensors, Lower Back Pain, Lower Back Pain, Breast Pain, Breast Pain, Upper Stomach Pain, Upper Stomach Pain, Joint Sacroiliac Pain, Joint Sacroiliac Pain, Stomach Ache, Stomach Ache, Stagnation

## Most often selected alongside BL51

Sourced protocols in the index pairing each point with this one. Corpus frequency, not a combination to use.

- BL23 (Kidney Shu Point) – 6 protocols
- BL52 (Willpower Room) – 6 protocols
- GB34 (Yang Mound Spring) – 6 protocols
- BL25 (Large Intestine Shu Point) – 5 protocols
- BL32 (Second Bone Hole) – 5 protocols
- BL39 (Outside Of The Crease) – 5 protocols
- BL40 (Middle Of The Crease) – 5 protocols
- BL54 (Lowermost In Order) – 5 protocols

## Protocols using BL51

| Symptoms | Points | Course | Source | Kind | Caveat |
|---|---|---|---|---|---|
| Leg Pain, Buttock Pain, Low Back Pain, Stenosis Lumbar Spinal, Claudication Neurogenic, Gait Disturbance | SP09, BL23, BL25, BL32, BL39, BL40, BL51, BL52, BL54, BL57, BL60, GB30, GB34, GB39, GV03 | 10 days | doi:10.2147/JPR.S438219 | trial | Point selection reported in a published study. |
| Leg Pain, Buttock Pain, Low Back Pain, Stenosis Lumbar Spinal, Claudication Neurogenic, Gait Disturbance | BL23, BL32, BL39, BL51, BL52, BL54, BL57, GB30, GB34, GB39, GV03 | 10 days | doi:10.2147/JPR.S438219 | trial | Point selection reported in a published study. |
| Leg Pain, Buttock Pain, Low Back Pain, Mobility Reduced, Spinal Stenosis Lumbar, Neurogenic Claudication | SP09, BL23, BL25, BL32, BL39, BL40, BL51, BL52, BL54, BL57, BL60, GB30, GB34, GB39, GV03 | 42 days | doi:10.1016/j.imr.2025.101204 | trial | Point selection reported in a published study. |
| Leg Pain, Low Back Pain, Spinal Stenosis Lumbar, Neurogenic Claudication | SP09, BL23, BL25, BL32, BL39, BL40, BL51, BL52, BL54, BL57, BL60, GB30, GB34, GB39, GV03 | 42 days | doi:10.1016/j.imr.2025.101204 | trial | Point selection reported in a published study. |
| Leg Pain, Low Back Pain, Spinal Stenosis Lumbar Degenerative, Claudication Neurogenic | SP09, BL23, BL25, BL32, BL39, BL40, BL51, BL52, BL54, BL57, BL60, GB30, GB34, GB39, GV03, XB02L1, XB02L2, XB02L3, XB02L4, XB02L5 | – | doi:10.1016/j.imr.2025.101204 | trial | Point selection reported in a published study. |
| Fracture Back Pain | BL23, BL24, BL25, BL26, BL40, BL51, BL52, BL60, GB34 | – | 백승원 et al.. 골절에 침 치료를 적용한 2013년 이후 증례보고 문헌고찰. 한방재활의학과학회지, 2021 | text | Point selection recorded in a clinical text or case report. |

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AcuiQ-authored prose (symptom and meridian descriptions, the wiki, the auricular crosswalk) is licensed CC-BY-4.0: https://creativecommons.org/licenses/by/4.0/. The assembled protocol compilation is not: build on it with attribution, but do not redistribute it whole as a dataset – https://acuiq.com/terms. The underlying findings are the cited sources' claims – each entry carries its citation; verify against the source before relying on it. Not medical advice: https://acuiq.com/terms