BL57 - Chengshan (Urinary Bladder Point 57)

Point features

Where is it located

BL57 is located at the center of the posterior lower leg, between the two heads of the gastrocnemius muscle, approximately 8 cun below BL40, at the most depressed point when the calf is flexed.

Functions

• Relieves lumbar and sciatic pain
• Relaxes tendons and leg muscles
• Effectively treats hemorrhoids and prolapses

What is it for

• Sciatica radiating to the calf or heel
• Night cramps
• Hemorrhoids
• Rectal prolapse, anal heaviness

📲 In the app, you can explore all the conditions treatable with BL57, its interactions with other points, and its relation to classical TCM.

Curiosity

Chengshan, 'Support Mountain', is one of the most commonly used points for treating hemorrhoids, also in Moxibustion. Frequently used in sciatica protocols together with BL40, BL56 and BL60 due to its myofascial action on the triceps surae.

Available on the AcupointsMap app:

• Interactive 3D visualization of the point
• Complete functions and therapeutic indications
• Needle insertion methods and detailed localization
• Complete pathway of the meridian of Urinary Bladder
• Main, Luo, Divergent, Muscle and Extraordinary Meridians
• Associated pathology sheets
• Treatment management on patients and connection with the 3D mannequin

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