# BL39 Weiyang (Outside Of The Crease) – Bladder Meridian

委陽 · wěi yáng

Location: Lateral to the BL40 on the medial border of the tendon of the biceps femoris.

Cautions: No specific contraindications.

Canonical page: https://acuiq.com/points/bl39

## Indications

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

Benefit Regulate Jiao Middle, Benefit Regulate Urination, Constipation, Contraction Foot, Contraction Foot, Contraction Leg, Contraction Leg, Abdomen Inferior Bloating, Abdomen Inferior Bloating, Urinary Problems, Urinary Problems, Bedwetting, Abdomen Inferior Fullness, Abdomen Inferior Fullness, Chest Fullness, Chest Fullness, Hemorrhoids, Pain, Abdominal Pain, Abdominal Pain, Lower Back Pain, Lower Back Pain, Foot Pain, Foot Pain, Leg Pain, Leg Pain, Lumbar Spine Pain, Lumbar Spine Pain, Regulate Jiao Middle, Regulate Urination, Urinary Retention, Urinary Retention, Channel Stagnation, Channel Stagnation, Armpit Swelling, Armpit Swelling, Painful Urination, Painful Urination

## Most often selected alongside BL39

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

- SP09 (Yin Mound Spring) – 15 protocols
- BL23 (Kidney Shu Point) – 8 protocols
- BL40 (Middle Of The Crease) – 8 protocols
- GB34 (Yang Mound Spring) – 8 protocols
- BL57 (Mountain Support) – 7 protocols
- BL60 (Kunlun (Mountains)) – 7 protocols
- GB30 (Jumping Circle) – 7 protocols
- GB39 (Suspended Bell) – 7 protocols

## Protocols using BL39

| Symptoms | Points | Course | Source | Kind | Caveat |
|---|---|---|---|---|---|
| Spleen Deficiency, Knee Pain, Osteoarthritis Knee | ST35, SP01, SP02, SP09, HT08, BL39, LV01 | 42 days | doi:10.1186/1745-6215-14-129 | trial | Point selection reported in a published study. |
| Kidney Deficiency, Knee Pain, Osteoarthritis Knee | LU08, ST35, SP03, SP09, BL39, KD03, KD07 | 42 days | doi:10.1186/1745-6215-14-129 | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee, Liver Deficiency | LU08, ST35, SP09, BL39, KD10, LV04, LV08 | 42 days | doi:10.1186/1745-6215-14-129 | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee, Gallbladder Deficiency | LI01, ST35, SP09, BL39, BL66, GB43, GB44 | 42 days | doi:10.1186/1745-6215-14-129 | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee, Bladder Deficiency | LI01, ST35, ST36, SP09, BL39, BL40, BL67 | 42 days | doi:10.1186/1745-6215-14-129 | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee, Stomach Deficiency | ST35, ST41, ST43, SP09, SI05, BL39, GB41 | 42 days | doi:10.1186/1745-6215-14-129 | trial | Point selection reported in a published study. |
| Contracture Knee, Brachial Plexus Injury, Muscle Atrophy, Paralysis Upper Extremity, Paralysis Lower Extremity, Contracture Ankle, Contracture Shoulder, Contracture Elbow, Scoliosis, Neuromotor Impairment, Steppage Gait | LU01, LI04, LI05, LI11, LI14, ST34, ST36, ST41, SP09, SP10, SI05, SI06, SI07, SI09, BL11, BL12, BL22, BL23, BL24, BL25, BL26, BL36, BL37, BL39, BL55, BL56, BL57, BL58, BL60, BL61, BL62, KD03, KD04, KD05, KD06, TB09, GB20, GB21, GB40 | 10 days | doi:10.3831/KPI.2013.16.009 | trial | Point selection reported in a published study. |
| 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. |
| Stroke Sequelae, Stroke Post, Paralysis Ankle, Ankle Joint Problems, Ankle Dysfunction | ST31, ST34, ST36, ST37, ST40, ST41, SP10, BL39, KD06, GB34, GB39, GB40, LV03 | 21 days | doi:10.27127/d.cnki.ghlzu.2024.000593 | trial | Point selection reported in a published study. |
| Depression Post-stroke, Urinary Retention Post-stroke | SP06, SP09, BL28, BL39, LV03, LV05, CV03 | 28 days | doi:10.27026/d.cnki.ggszc.2023.000230 | 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. |
| Knee Pain, Injury Ligament Anterior Cruciate | BL39, BL40 | – | doi:10.1177/09645284221125251 | 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. |
| Sciatica | BL23, BL30, BL36, BL39, BL40, BL57, BL60, GB30, GB31, GB34 | 7 days | Deadman, Al-Khafaji & Baker, A Manual of Acupuncture – point group actions | text | Point selection recorded in a clinical text or case report. |
| Heat Bladder, Damp Bladder, Heat Bladder, Damp Bladder | ST28, SP11, SP12, HT08, BL22, BL27, BL28, BL31, BL35, BL36, BL39, KD10 | 7 days | Yang Yong-Xuan, clinical point-selection notes | text | Point selection recorded in a clinical text or case report. |
| Damp Large Intestine, Heat Large Intestine, Damp Large Intestine, Heat Large Intestine | LI01, LI03, LI09, LI11, ST22, ST25, SP04, SP15, SP16, BL25, BL27, BL28, BL37, BL39 | 7 days | Yang Yong-Xuan, clinical point-selection notes | text | Point selection recorded in a clinical text or case report. |
| Urinary Retention, Urination Difficulty, Abdominal Distending Pain | SP06, SP09, BL23, BL28, BL32, BL39, CV02, CV03, CV04 | 3 days | Zhang Dongshu. Thirty-six Cases of Urinary Retention Treated by Acupuncture. Journal of Traditional Chinese Medicine, 2008, 28(2): 83-85 | text | Point selection recorded in a clinical text or case report. |
| Motor Dysfunction, Spinal Cord Injury, Paralysis Paraplegia | ST32, ST33, ST34, ST36, ST40, ST41, ST42, ST43, BL37, BL39, BL40, BL55, BL56, GB40 | 28 days | Wang Yuanhui, Zhang Lei, Pan Guodong, Liu Jing, Zhang Hongrui, Song Xu, Wang Qiang. Traditional Chinese Medicine comprehensive therapy for the improvement of motor function in spinal cord injury patients. J Tradit Chin Med, 2016, 36(5): 618-624 | text | Point selection recorded in a clinical text or case report. |
| Arthralgia Painful Cold Bi | LI04, LI11, LI15, ST35, BL39, BL60, TB04, TB05, GB30, GB31, GB34, GB39, CV04, GV14 | – | ZHANG En-qin. Bi Syndrome (Arthralgia Syndrome). Journal of Traditional Chinese Medicine, 2010, 30(2): 145-152. | text | Point selection recorded in a clinical text or case report. |
| Edema, Oedema Yang, Oedema Yang | LU07, LI04, LI06, SP09, BL39 | 7 days | sacredlotus.com | web | Point selection published on a website. Not peer-reviewed – check it before relying on it. |
| Urinary Retention, Heat Bladder, Urinary Retention, Heat Bladder | SP06, BL28, BL39, CV03 | 7 days | sacredlotus.com | web | Point selection published on a website. Not peer-reviewed – check it before relying on it. |
| Discomfort Urination, Dysuria, Calculi, Infection Urinary, Urolithiasis, Discomfort Urination, Infection Urinary | SP09, BL28, BL39, CV03 | 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