Ponto do canal do Intestino GrossoSafeMembro Superior
Depth
00.5–1.5 cun3.0
Perpendicular insertion
Precautions
None standard
📍 Location (classical)
4 cun distal to LI-11 (equivalent to two-thirds proximal to LI-5 and one-third distal to LI-11, on the line connecting LI-5 and LI-11).
🧭 How to find it (practical)
With the hand closed, locate the point 4 cun below Qu Chi (LI-11), on the lateral border of the radius.
🔬 Anatomy
Extensor carpi radialis brevis muscle, supinator muscle. Innervated by the lateral cutaneous nerve of the forearm and the radial nerve.
💉 Needling
Perpendicular insertion, 0.5–1.5 cun.
📜 Etymology
Xia (下), lower; Lian (廉), edge, ridge. The point is located 1 cun below Shang Lian (LI-9), on the dorsal aspect of the forearm, near the radial border, on a prominence formed by the extensor carpi radialis longus when the hand is firmly clenched.
[Location] On the radial border of the dorsal surface of the forearm and on the line connecting Yang Xi (LI-5) and Qu Chi (LI-11), 4 cun below the cubital crease.
