BL 56 — Chéng Jīn (承筋) — Support the Sinews
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1. Overview
BL 56 — Chéng Jīn (承筋) — is an acupuncture point on the Bladder meridian. Its English name, Support the Sinews, reflects the point’s classical character and location. It is used in acupuncture practice as part of channel-balancing prescriptions for a range of conditions.
I am Dr (TCM) Attilio D’Alberto, a member of the British Acupuncture Council with over 25 years of clinical experience. I use BL 56 as part of individually tailored acupuncture prescriptions at my clinic in Wokingham, Berkshire.
2. Location
On the lower leg, 5 cun below BL-40 Weizhong and midway between BL-55 Heyang and BL-57 Chengshan, in the center of the belly of the gastrocnemius muscle.
3. Actions
- Relaxes the sinews
- Activates the channel
- Alleviates pai
- Benefits the foot and heel
4. Indications
- Contraction and pain of the lumbar spine
- Bi syndrome of the lower leg
- Shivering with inability to stand for long
- Heat sensation in the soles with inability to stand for long
- Pain and contraction of the foot and heel
- Swelling of the axilla
- Clonic spasm
- Urticaria
- Headache
5. Needling
Perpendicular insertion 1 to 1.5 cun.
Important: Acupuncture should only be performed by a fully qualified practitioner. Never attempt self-needling. All needles I use are sterile, single-use and disposed of immediately after treatment in a clinical sharps container.
6. Clinical notes
BL 56 Chéng Jīn (Support the Sinews) is used as part of channel-balancing prescriptions tailored to the patient’s individual TCM diagnosis.
7. Treatment at my clinic
I use BL 56 as part of tailored acupuncture prescriptions for conditions including Headache, Constipation, Back pain. Each treatment is individually designed following a full TCM assessment.
I see patients in person at my clinic in Wokingham, Berkshire. Visit the prices page for consultation fees. Return to the acupuncture points directory or the acupuncture main page.















