
Location
Chest, 6th ICS, mid-axillary line
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.
Point Category
Spleen Meridian Flow
Earth · Yin · peak 9–11 AMQi flowing along the Spleen — direction of animation reflects channel flow.
My notes on SP 21