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SI-4 Wangu (腕骨) — Wrist Bone
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.
CLASSICAL SOURCELing Shu
Clinical Relations
Point Pairs
Yuan-LuoHT-5 Tongli
Adjacent Points on the Meridian