# BL57 Chengshan (Mountain Support) – Bladder Meridian

承山 · chéng shān

Location: On the posterior midline of the leg between BL40 and BL60 in the pointed depression the formed below gastrocnemius belly when leg is stretched or heel is lifted.

Cautions: Caution in severe varicose veins.

Canonical page: https://acuiq.com/points/bl57

## Indications

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

Benefit Heels, Benefit Heels, Benefit Legs Calf, Benefit Legs Calf, Constipation, Cramping, Turmoil Disorder, Turmoil Disorder, Hemorrhoids, Haemorrhoids Bleeding, Haemorrhoids Bleeding, Haemorrhoids Painful, Haemorrhoids Painful, Haemorrhoids Swelling, Haemorrhoids Swelling, Heat Head, Heat Head, Heaviness Leg, Heaviness Leg, Back Lumbar Stiffness, Leg Flaccid Stiffness, Sitting Stiffness, Standing Stiffness, Tendon Ligament Stiffness, Tendon Ligament Contraction Stiffness, Immobility Back Lumbar, Immobility Leg Flaccid, Immobility Sitting, Immobility Standing, Immobility Tendon / Ligament, Immobility Tendon / Ligament Contraction, Malaria, Nosebleed, Pain, Heel Pain, Heel Pain, Sore Throat, Sore Throat, Rectal Prolapse, Rectal Prolapse, Qi Leg, Qi Leg, Sciatica, Heat Soles Of Feet Sensation, Heat Soles Of Feet Sensation, Shivering, Channel Stagnation, Channel Stagnation, Swollen Knee, Swollen Knee, Leg Weakness, Leg Weakness

## Most often selected alongside BL57

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

- BL40 (Middle Of The Crease) – 42 protocols
- GB34 (Yang Mound Spring) – 40 protocols
- BL23 (Kidney Shu Point) – 36 protocols
- ST36 (Leg Three Miles) – 32 protocols
- GB30 (Jumping Circle) – 28 protocols
- BL25 (Large Intestine Shu Point) – 25 protocols
- BL60 (Kunlun (Mountains)) – 25 protocols
- SP06 (Three Yin Intersection) – 24 protocols

## Protocols using BL57 (50 best-sourced of 95)

| Symptoms | Points | Course | Source | Kind | Caveat |
|---|---|---|---|---|---|
| Back Pain, Sciatica Pain, Herniated Nucleus Pulposus | BL23, BL24, BL25, BL26, BL31, BL32, BL33, BL34, BL40, BL57, BL60, GB30 | 15 days | doi:10.1093/ecam/nep085 | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee, Stiffness Joint | ST06, ST34, ST35, ST36, SP04, SP05, SP06, SP09, SP10, BL20, BL40, BL57, BL58, BL60, BL62, KD03, KD10, GB33, GB34, LV08 | 28 days | doi:10.1155/2013/182528 | trial | Point selection reported in a published study. |
| Spasticity, Muscle Tone Increased, Disability Upper Limb, Brain Injury Sequelae | LU10, LI04, ST36, BL57 | 28 days | doi:10.1371/journal.pone.0116976 | trial | Point selection reported in a published study. |
| Insomnia, Restless Legs Syndrome, Sleep Onset Difficulty, Sleep Maintenance Difficulty, Leg Discomfort Nocturnal | ST36, SP06, SP10, BL23, BL57, KD03, LV03, GV04 | 42 days | doi:10.1155/2015/343201 | trial | Point selection reported in a published study. |
| Leg Pain, Low-back Pain, Spinal-stenosis Lumbar, Claudication Neurological | SP06, SP09, BL23, BL25, BL56, BL57, GB30, GB34, GB39, GV03, GV04 | 29 days | doi:10.1155/2015/263898 | trial | Point selection reported in a published study. |
| Anxiety, Back Pain, Miscarriage Threatened, Bleeding Vaginal, Cramping Abdominal | LU07, LI11, ST36, ST37, SP01, SP04, HT07, BL20, BL23, BL57, BL62, KD06, KD09, KD21, KD27, PC06, TB04, TB05, TB06, GB30, GB34, GB41, LV02, LV03, CV04, GV04, GV20 | 28 days | doi:10.1186/s12884-016-1092-8 | trial | Point selection reported in a published study. |
| Leg Pain, Lower Back Pain, Buttock Pain, Lower Extremity Numbness, Claudication Intermittent, Spinal Stenosis Lumbar Degenerative | BL23, BL25, BL40, BL57, KD03 | 56 days | doi:10.1136/bmjopen-2016-012821 | trial | Point selection reported in a published study. |
| Stenosis Lumbar Spinal, Radiculopathy L5, Claudication Neurogenic, Lower Extremity Pain, Gluteal Pain | BL23, BL25, BL40, BL53, BL54, BL57, GB34 | 28 days | doi:10.1186/s12906-018-2087-y | trial | Point selection reported in a published study. |
| Shoulder Pain, Range Of Motion Restricted Shoulder, Adhesive Capsulitis | ST38, BL57 | 21 days | doi:10.1155/2018/4197659 | trial | Point selection reported in a published study. |
| Anxiety, Palpitations, Depression, Insomnia, Anger, Back Pain, Irritability, Memory Impairment | BL40, BL56, BL57, GB20, GB21, CV06, CV12, CV17 | 28 days | doi:10.3831/KPI.2017.20.018 | trial | Point selection reported in a published study. |
| Anxiety, Palpitations, Insomnia, Anger, Back Pain, Neck Pain, Irritability | BL40, BL56, BL57, GB20, GB21, CV06, CV12, CV17 | 28 days | doi:10.3831/KPI.2017.20.018 | trial | Point selection reported in a published study. |
| Ischemic Stroke, Motor Dysfunction Hemiplegia, Paralysis Spastic | LI04, ST40, BL40, BL57, TB05, TB10, TB13, GV20, GV24 | 150 days | doi:10.1155/2020/1520851 | trial | Point selection reported in a published study. |
| Performance Explosive-force Knee, Strength Knee-extensor, Strength Knee-flexor | ST32, ST34, ST36, SP10, BL57 | 1 days | doi:10.3390/ijerph18189518 | trial | Point selection reported in a published study. |
| Sciatica, Low Back Pain, Spondylolisthesis Lumbar Degenerative | BL23, BL40, BL54, BL57, GB30, GB31, GB34, GV02, GV03, GV04 | 21 days | doi:10.1155/2022/6016542 | trial | Point selection reported in a published study. |
| Sciatica, Low Back Pain, Spondylolisthesis Lumbar Degenerative | BL40, BL57, GB30, GV02, GV03, GV04 | 21 days | doi:10.1155/2022/6016542 | trial | Point selection reported in a published study. |
| Sleep Disturbance, Restless Legs Syndrome, Lower Limb Abnormal Sensation, Urge Movement Legs | ST36, SP06, SP10, BL23, BL57, KD03, LV03, GV04 | 18 days | doi:10.1016/j.bj.2021.05.005 | trial | Point selection reported in a published study. |
| Sleep Disturbance, Restless Legs Syndrome, Lower Limb Abnormal Sensation | ST34, ST36, SP05, SP06, SP10, BL18, BL23, BL56, BL57, BL64, KD03, GB34, GB39 | 10 days | doi:10.1016/j.bj.2021.05.005 | trial | Point selection reported in a published study. |
| Sleep Disturbance, Restless Legs Syndrome, Lower Limb Abnormal Sensation, Urge Movement Legs | ST36, SP06, BL57, GB34, GB39, LV03 | 12 days | doi:10.1016/j.bj.2021.05.005 | trial | Point selection reported in a published study. |
| Anorectal Pain, Rectal Pain, Anorectal Bloating, Defecation Disorder | ST36, BL20, BL21, BL23, BL34, BL35, BL57, GB26, CV04, CV06, CV12, GV01, GV20 | 60 days | doi:10.1097/MD.0000000000035462 | trial | Point selection reported in a published study. |
| Sciatica, Lumbar Pain, Low Back Pain, Lumbar Disc Herniation, Disc-herniation Lumbar, Lower-extremity Right Pain, Leg Right Numbness, Scoliosis Lumbar | BL23, BL24, BL25, BL26, BL36, BL37, BL40, BL57, BL60, GB30 | 84 days | doi:10.1097/MD.0000000000036684 | trial | Point selection reported in a published study. |
| Post-operative Pain, Anal Pain, Anxiety Post-operative, Constipation Post-operative | BL57, GV01, GV02, GV04 | 2 days | doi:10.1016/j.joim.2020.08.001 | trial | Point selection reported in a published study. |
| Fatigue, Anxiety, Constipation, Drooling, Parkinson's Disease, Tremor Hand, Stiffness Neck, Dry Mouth, Bradykinesia, Dysphagia, Rigidity, Tremor Limb, Stiffness Back, Cramp Foot | LI04, LI10, LI11, ST25, ST37, SP06, SP09, BL40, BL57, GB19, GB34, GB39, LV03, CV04, GV04, GV08, GV14, GV17, GV19, GV20, GV21, GV24 | 28 days | doi:10.3389/fneur.2023.1330054 | trial | Point selection reported in a published study. |
| Anxiety, Restless Legs Syndrome, Urge Movement Legs, Crawling Legs Sensation, Insomnia Nocturnal | ST36, SP06, HT07, BL57, PC06, GB34, GB39, GV20 | 28 days | doi:10.1097/MD.0000000000039926 | trial | Point selection reported in a published study. |
| Shoulder Pain, Paralysis Shoulder, Deltoid Weakness, Biceps Weakness, Paralysis Cervical Postoperative, Palsy Nerve Root C5 | ST38, BL57 | 14 days | doi:10.1155/prm/2625552 | trial | Point selection reported in a published study. |
| Insomnia, Hypertension, Alopecia, Limb Pain, Diarrhea Chronic, Spasm Muscle | BL17, BL23, BL40, BL57, BL60, GB20, GV04, GV08, GV14, GV16, GV20 | 14 days | doi:10.3389/fendo.2025.1543991 | trial | Point selection reported in a published study. |
| Sciatica, Leg Pain, Sciatica Pain, Back Lower Pain, Lower-back Pain, Gluteal Pain, Leg Radiating Pain, Neurological-deficit | BL23, BL25, BL40, BL54, BL57, BL60, GB30, GB34, GB39 | 21 days | doi:10.1177/2515690X251355513 | trial | Point selection reported in a published study. |
| Anxiety, Depression, Shoulder Pain, Limited Range Of Motion Shoulder, Periarthritis Scapulohumeral, Range Of Motion Shoulder Restricted, Periarthritis Shoulder, Immobility Shoulder | LI15, ST38, SP09, SI09, BL57, TB14, GB34, GV14 | 21 days | doi:10.13702/j.1000-0607.20240047 | 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. |
| Cramps Muscle, Cramps Leg, Cramps Calf, Cramps Arm, Cramps Abdomen, Dialysis-related Pain | LU07, LU09, BL57, KD01, LV03, CV04, CV06, GV26 | 21 days | doi:10.4103/1735-9066.197684 | trial | Point selection reported in a published study. |
| Kidney Disease Chronic, Restless Leg Syndrome, Hemodialysis | ST36, SP06, BL57, GB34 | 12 days | doi:10.3389/fneph.2022.1006506 | 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. |
| Heel Pain, Back Low Pain, Plantar Fasciitis, Plantar Fascia Pain, Heel Plantar Pain, Plantar Fasciitis | BL57, BL60, KD03 | 14 days | doi:10.2147/JPR.S492541 | 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. |
| Low Back Non-specific Pain | BL23, BL25, BL40, BL57, BL60, GB30, GB34, GV03, GV04 | – | doi:10.13457/j.cnki.jncm.2025.01.020 | trial | Point selection reported in a published study. |
| Lumbar Pain, Postoperative Pain, Spinal Stenosis Lumbar Degenerative | BL40, BL57 | 5 days | doi:10.27320/d.cnki.gszyu.2019.000251 | trial | Point selection reported in a published study. |
| Paralysis Hemiplegia, Stroke Sequela | LI10, ST36, ST37, BL55, BL57, PC04, PC06, TB05, MS06 | 18 days | doi:10.27127/d.cnki.ghlzu.2025.000611 | trial | Point selection reported in a published study. |
| Urinary Tract Infection, Urinary Retention, Neurogenic Bladder | ST36, SP06, BL31, BL32, BL33, BL34, BL57, KD01, CV03, CV04, CV06, CV08, GV20 | 42 days | doi:10.16821/j.cnki.hsjx.2014.16.027 | trial | Point selection reported in a published study. |
| Shoulder Pain, Stiffness Shoulder, Restricted Range Of Motion Shoulder | ST38, BL57 | 10 days | doi:10.20140/j.2095-7785.2025.04.16 | trial | Point selection reported in a published study. |
| Restless Legs Syndrome | ST36, SP06, BL57, GB34 | – | doi:10.19288/j.cnki.issn.1000-2723.2020.03.011 | trial | Point selection reported in a published study. |
| Urinary Retention Postoperative, Urinary Retention Post-hemorrhoidectomy | ST28, ST36, SP06, SP09, SP10, BL28, BL57, KD03, CV03, CV04, CV06, CV08 | – | doi:10.19917/j.cnki.1005-0779.024179 | trial | Point selection reported in a published study. |
| Lumbar Pain, Lumbar Disc Herniation, Sciatica Radicular | BL25, BL26, BL36, BL54, BL57, GB30, GB34 | – | doi:10.16448/j.cjtcm.2005.06.045 | trial | Point selection reported in a published study. |
| Lumbar Pain, Stenosis Lumbar Spinal, Claudication Neurogenic, Lower Extremity Pain | SP06, BL23, BL24, BL25, BL26, BL27, BL36, BL40, BL57, BL60, GB30, GB31, GB34, GV03, GV04 | – | doi:10.13517/j.cnki.ccm.2025.05.015 | trial | Point selection reported in a published study. |
| Lumbar Pain, Lumbar Disc Herniation, Disc Herniation Lumbar | ST25, BL23, BL25, BL57, KD09, KD10, LV08 | 14 days | doi:10.27180/d.cnki.gjxzc.2024.000134 | trial | Point selection reported in a published study. |
| Shoulder Pain, Restricted Range Of Motion Shoulder, Adhesive Capsulitis | LI15, ST38, SI09, BL57, TB14, GB34 | – | doi:10.27180/d.cnki.gjxzc.2023.000109 | trial | Point selection reported in a published study. |
| Shoulder Pain, Restricted Range Of Motion Shoulder, Adhesive Capsulitis | LI15, ST38, HT01, SI09, BL57, TB14, GB34 | – | doi:10.27180/d.cnki.gjxzc.2023.000109 | trial | Point selection reported in a published study. |
| Motor Dysfunction, Hemiplegia Post-stroke | LI10, ST36, ST37, BL55, BL57, PC04, PC06, TB05 | 18 days | doi:10.27127/d.cnki.ghlzu.2025.000611 | trial | Point selection reported in a published study. |
| Paralysis Post-stroke Motor Dysfunction, Motor Impairment Upper Limb, Motor Impairment Lower Limb | LI10, ST36, ST37, BL55, BL57, PC04, PC06, TB05, MS06 | 18 days | doi:10.27127/d.cnki.ghlzu.2025.000525 | trial | Point selection reported in a published study. |
| Shoulder Pain, Shoulder Periarthritis, Restricted Shoulder Movement | LI15, ST38, ST40, SI03, SI09, BL57, TB14, GB34 | – | doi:10.27368/d.cnki.gtzyy.2020.000102 | trial | Point selection reported in a published study. |
| Hemorrhoids, Bleeding Rectal, Anal Pain | BL25, BL32, BL35, BL57, GV01 | – | doi:10.13193/j.issn.1673-7717.2017.12.003 | trial | Point selection reported in a published study. |

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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
