Chengjin (BL56)
Chengjin (BL56), “Sinew Support”, is a point on the Bladder meridian. It is point 56 of the 67 on the channel. Relaxes the calf sinews and relieves cramp and haemorrhoids.
Location
On the posterior aspect of the leg, between the two bellies of gastrocnemius, 5 cun below the popliteal crease.
Functions according to tradition
Relaxes the calf sinews and relieves cramp and haemorrhoids.
Traditional indications
- Calf cramp
- Haemorrhoids
- Lower back pain
- Heel pain
Indications described by tradition; they do not amount to proven clinical effectiveness for each one.
Precautions
No specific precautions are described beyond the general ones for acupuncture. Needling must always be performed by a trained professional.
Points on other channels with similar indications
They share several traditional indications with this point. Comparing them helps understand why one or the other is chosen.
- GV1 Changqiang (Du Mai (Governing Vessel)): Haemorrhoids
- GV3 Yaoyangguan (Du Mai (Governing Vessel)): Lower back pain
- ST31 Biguan (Stomach): Lower back pain
Point profile
- Code
- BL56
- Pinyin name
- Chéng Jīn
- Characters
- 承筋
- Translation
- Sinew Support
- Meridian
- Bladder
- Element
- Water
- Topics
- Cramps, Leg, Haemorrhoids
Health notice. Educational and study content. It describes concepts of Traditional Chinese Medicine and does not replace diagnosis or treatment by a healthcare professional. Needling, medicinal herbs and invasive techniques must be applied by trained professionals. Safety guide.
