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BL 36 · Chengfu

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

Plate shown for male body
Foot and ankle acupoints

Location

Thigh, midpoint of gluteal fold, sciatic nerve

Needling Depth

1.5–2.5 cun

Deep needling — confirm anatomy first.

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

Avoid sciatic nerve.

Anatomy & Safe Needling

Structure: Sciatic nerve under gluteal fold

Risk: Nerve injury

Method: Stop on radiating pain.

Trigger-Point Link

Hamstrings — referred to Back of the thigh to the knee; sometimes the hip.

Appears in Formulas

Sciatica (Bladder channel) (Taiyang obstruction) — Thigh

Bladder Meridian Flow

Water · Yang · peak 3–5 PM

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

My notes on BL 36