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BL 4 · Quchai

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

Plate shown for male body
Head and neck acupoints

Location

Forehead, 0.5 cun within hairline, 1.5 cun lateral to midline

Needling Depth

0.3–0.5 cun, transverse

Shallow — low depth risk.

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

Trigger-Point Link

Levator Scapulae — referred to Down the inner edge of the scapula and up the back of the neck to the base of the skull.

Bladder Meridian Flow

Water · Yang · peak 3–5 PM

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

My notes on BL 4