Ponto He-Mar (Terra)Ponto de SedaçãoSafeMembro Superior
Depth
00.5–1 cun3.0
Perpendicular insertion
Precautions
No special precautions.
📍 Location (classical)
With the elbow flexed, in the depression 1 cun proximal to the olecranon.
🧭 How to find it (practical)
With the hand on the hip and the elbow flexed, locate the point in the depression 1 cun posterior and superior to the olecranon.
🔬 Anatomy
Tendon of the triceps brachii muscle. Innervated by the posterior brachial cutaneous nerve and the radial nerve.
💉 Needling
Perpendicular insertion, 0.5–1.0 cun.
📜 Etymology
Tian (天), heaven, upper part; Jing (井), well. The point lies 1 cun above the elbow (upper portion, Tian). At this location there is a small depression like a well.
