Ponto Ying-Nascente (Água)Ponto Ying-Nascente (Água)SafeMembro Superior
Depth
00.2–0.3 cun3.0
Oblique insertion
Precautions
No standard precautions.
📍 Location (classical)
On the ulnar border of the little finger, in a depression just distal to the metacarpophalangeal (MCP) joint. Locate with the fist slightly closed, at the junction of the reddened and white skin.
🧭 How to find it (practical)
Bending the fingers slightly, locate the point at the dorsiventral border of the metacarpophalangeal transverse crease.
🔬 Anatomy
Tendon of the abductor digiti minimi muscle. Innervated by the dorsal digital nerve of the ulnar nerve.
💉 Needling
Distal oblique insertion 0.2 to 0.3 cun, or perpendicular-oblique insertion toward the palm, 0.5 cun.
📜 Etymology
Qian (前), front; Gu (谷), valley. The depression in front of the fifth metacarpophalangeal joint is like a valley.
