# BL29 Zhonglushu (Middle Spine Shu) – Bladder Meridian

中膂俞 · zhōng lǚ shù

Location: 1.5 thumb widths lateral to the du mai at the level of the 3rd posterior sacral foramen.

Cautions: Avoid deep perpendicular needling.

Canonical page: https://acuiq.com/points/bl29

## Indications

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

Benefit Back Lumbar, Benefit Back Lumbar, Common Cold, Cold Intestines, Cold Intestines, Atrophy Kidney Deficiency, Atrophy Kidney Deficiency, Diarrhea, Shan Disorder, Shan Disorder, Abdominal Bloating, Abdominal Bloating, Dysentery, Spine Turning Stiffness, Immobility Spine Turning, Buttock Pain, Buttock Pain, Buttock Gluteus Maximus Myotome Pain, Buttock Gluteus Maximus Myotome Pain, Rib Pain, Rib Pain, Lumbar Spine Pain, Lumbar Spine Pain, Sciatica, Spontaneous Sweating, Spontaneous Sweating, Thirsting Excessive, Thirsting Excessive

## Most often selected alongside BL29

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

- BL23 (Kidney Shu Point) – 7 protocols
- BL30 (White Ring Shu Point) – 7 protocols
- BL27 (Small Intestine Shu Point) – 5 protocols
- BL28 (Bladder Shu Point) – 5 protocols
- BL24 (Sea Of Qi Shu Point) – 4 protocols
- BL25 (Large Intestine Shu Point) – 4 protocols
- BL26 (Original Qi Gate Shu Point) – 4 protocols
- ST25 (Celestial Pivot) – 4 protocols

## Protocols using BL29

| Symptoms | Points | Course | Source | Kind | Caveat |
|---|---|---|---|---|---|
| Back Low Pain, Acute Pain, Referred Pain | LI04, BL29, BL30, BL31, BL32, BL40, BL54, BL58, BL62, KD03, GB30, LV03, GV03, GV04 | 1 days | doi:10.1186/1745-6215-12-241 | trial | Point selection reported in a published study. |
| Radiculopathy, Lower-limb Numbness, Lower-back Pain, Radiating Lower-limb Pain, Disc-herniation Lumbar Extruded | BL23, BL24, BL25, BL26, BL27, BL28, BL29, BL30, GB30 | 28 days | doi:10.3389/fneur.2024.1381292 | trial | Point selection reported in a published study. |
| Groin Pain, Lower Back Pain, Sacroiliac Pain, Pubic Symphysis Pain, Difficulty Walking, Postpartum Symphysis Pubis Diastasis, Qi Stagnation Blood Stasis | BL23, BL24, BL25, BL26, BL27, BL28, BL29, BL30, BL53, BL54, GB27, GB28 | 23 days | doi:10.21037/acr-2025-189 | trial | Point selection reported in a published study. |
| Premature Ejaculation, Sexual Dysfunction | ST36, SP12, SP13, BL23, BL27, BL28, BL29, BL30, BL31, BL32, BL33, BL34, BL47, KD01, KD03, CV04, CV06 | 21 days | doi:10.4103/0973-6131.113408 | trial | Point selection reported in a published study. |
| Sciatica, Low Back Pain, Disc Herniation Lumbar | BL23, BL24, BL25, BL26, BL27, BL28, BL29, BL30, GB30 | 23 days | doi:10.3389/fneur.2024.1381292 | trial | Point selection reported in a published study. |
| Pubic Symphysis Pain, Postpartum Symphysis Pubis Diastasis | BL23, BL24, BL25, BL26, BL27, BL28, BL29, BL30, BL53, BL54, GB27, GB28 | – | doi:10.21037/acr-2025-189 | trial | Point selection reported in a published study. |
| Kidney Yang Deficiency, Kidney Yang Deficiency | BL23, BL29, BL30, KD03, KD07 | 7 days | Yang Yong-Xuan, clinical point-selection notes | text | Point selection recorded in a clinical text or case report. |
| Nocturia, Overactive Bladder, Sleep Disturbance | SP06, BL23, BL29, BL33, BL35 | 21 days | 程觅冉津川阮铄荃胡静顾尤嘉赵小凡陈炳力明树人李璟侯文光. 针刺治疗膀胱源性夜尿症的疗效观察及对特定腧穴红外辐射温度变化的影响. 中国中医药科技 ., 2024 [CNKI] | text | Point selection recorded in a clinical text or case report. |
| Common Cold, Damp, Dysentery, Tenesmus | ST25, ST37, SP09, BL29, CV06, CV12 | 7 days | sacredlotus.com | web | Point selection published on a website. Not peer-reviewed – check it before relying on it. |
| Heat, Damp, Dysentery, Tenesmus | LI04, LI11, ST25, ST37, BL29 | 7 days | sacredlotus.com | web | Point selection published on a website. Not peer-reviewed – check it before relying on it. |
| Dysentery, Tenesmus, Appetite Food Resistant, Appetite Food Resistant | ST25, ST37, BL29, PC06, CV12 | 7 days | sacredlotus.com | web | Point selection published on a website. Not peer-reviewed – check it before relying on it. |
| Dysentery, Tenesmus | ST25, ST36, ST37, BL20, BL21, BL29, CV04 | 7 days | sacredlotus.com | web | Point selection published on a website. Not peer-reviewed – check it before relying on it. |

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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