On the posterolateral aspect of the forearm, 5 cun proximal to LI-5, on the line connecting LI-5 and LI-11.
🧭 How to find it (practical)
With the elbow flexed, locate the point 5 cun above Yang Xi (LI-5), on the lateral border of the radius.
🔬 Anatomy
Extensor carpi radialis brevis muscle, extensor digitorum muscle. Innervated by the lateral cutaneous nerve of the forearm and the deep branch of the radial nerve.
💉 Needling
Perpendicular insertion, 0.5–1.0 cun.
📜 Etymology
Wen (温), to warm; Liu (溜), circulation. The point has the function of warming the meridian and promoting the circulation of Qi.