Ponto Xi-FendaPonto Xi-Fenda do canal do PericárdioPonto distal do CoraçãoSafeMembro Superior
Depth
00.5–1 cun3.0
Oblique insertion
Precautions
Deep puncture directly stimulates the median nerve.
📍 Location (classical)
On the palmar aspect of the forearm, 5 cun proximal to the transverse crease of the wrist, on the line connecting PC-3 to PC-7, between the tendons of the palmaris longus and flexor carpi radialis muscles.
🧭 How to find it (practical)
With the arm extended and the palmar surface facing up, locate the point 5 cun above the wrist crease, between the tendon of the palmaris longus and the radial side of the tendon of the flexor carpi radialis.
🔬 Anatomy
Located between the radius, the ulna, and two muscles. Detailed anatomy is not specified in the available sources.
💉 Needling
Perpendicular insertion 0.5 to 1 cun, or proximal oblique insertion 1 to 1.5 cun.
📜 Etymology
Xi (郄), cleft; Men (門), gate. Gate through which the Qi of the meridian enters and exits.