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BL 56 · Chengjin

Bladder meridian · Water · Yang · peak 3–5 PM

Plate shown for male body
Foot and ankle acupoints

Location

Leg, 5 cun below BL40, gastrocnemius

Needling Depth

0.5–1.5 cun

Deep needling — confirm anatomy first.

Always palpate landmarks and angle away from vital structures. Chest/neck: oblique, shallow only.

Trigger-Point Link

Gastrocnemius / Soleus — referred to Back of the knee down to the heel and Achilles.

Bladder Meridian Flow

Water · Yang · peak 3–5 PM

Qi flowing along the Bladder — direction of animation reflects channel flow.

My notes on BL 56