Ponto Yuan-FontePonto local da mãoSafeMembro Superior
Depth
00.3–0.5 cun3.0
Perpendicular insertion
Precautions
No standard precautions.
📍 Location (classical)
On the ulnar border of the hand, in the depression between the base of the fifth metacarpal and the triquetral bone.
🧭 How to find it (practical)
With the palm of the hand facing down, locate the point on the ulnar border of the hand, above Hou Xi (SI-3), in the depression between the base of the fifth metacarpal bone and the hamate bone.
🔬 Anatomy
Origin of the abductor digiti minimi muscle. Innervated by the dorsal branch of the ulnar nerve.
💉 Needling
Perpendicular insertion 0.3 to 0.5 cun.
📜 Etymology
Wan (腕), wrist; Gu (骨), bone. The point lies between the bones of the wrist.
