Ponto Jing-Rio (Metal)Ponto Jing-RioPonto MetalCautionMembro Superior
Depth
00.3–0.5 cun3.0
Perpendicular insertion
Precautions
Avoid puncturing the radial artery — gently displace it to the side during palpation. Moxibustion is contraindicated according to some classics.
📍 Location (classical)
Above the wrist joint space, 1 cun proximal to the palmar carpal crease (Taiyuan LU-9), on the radial border of the radial artery, in the depression at the base of the styloid process of the radius.
🧭 How to find it (practical)
With the hand extended and the palm facing up, locate the point 1 cun above the transverse wrist crease, where the artery lies, or where the radial pulse is examined. Jing Qu (LU-8) sits where the examiner's finger reaches on the radial side of the artery.
🔬 Anatomy
Tendon of the flexor carpi radialis muscle, brachioradialis muscle. Innervated by the lateral cutaneous nerve of the forearm and the radial nerve.
💉 Needling
Perpendicular (vertical) or proximally directed insertion, 0.3–0.5 cun.
📜 Etymology
Jing (經), passage; Qu (渠), gutter, valley. It is like a gutter through which the artery runs.
