
Location
Chest, below clavicle, 4 cun lateral to midline, 1st ICS
Needling Depth
0.3–0.5 cun, oblique
Shallow — low depth risk.
Always palpate landmarks and angle away from vital structures. Chest/neck: oblique, shallow only.
Avoid pleura.
Stomach Meridian Flow
Earth · Yang · peak 7–9 AMQi flowing along the Stomach — direction of animation reflects channel flow.
My notes on ST 13