
Location
Wrist crease, radial side, radial artery
Needling Depth
0.3–0.5 cun
Shallow — low depth risk.
Always palpate landmarks and angle away from vital structures. Chest/neck: oblique, shallow only.
Avoid radial artery. Source/Earth/Tonification.
Anatomy & Safe Needling
Structure: Radial artery at wrist
Risk: Arterial puncture
Method: Palpate pulse, needle lateral to artery.
Appears in Formulas
Lung Meridian Flow
Metal · Yin · peak 3–5 AMQi flowing along the Lung — direction of animation reflects channel flow.
My notes on LU 9