Ponto Luo de ConexãoPonto Luo de ConexãoSafeMembro Superior
Depth
00.5–1 cun3.0
Perpendicular insertion
Precautions
No standard precautions.
📍 Location (classical)
On a line connecting Yanggu SI-5 and Xiaohai SI-8, 5 cun proximal to Yanggu SI-5, in the groove between the anterior border of the ulna and the muscle belly of the flexor carpi ulnaris.
🧭 How to find it (practical)
With the elbow flexed and the palmar surface facing the chest, locate the point 5 cun above Yang Gu (SI-5), on the medial border of the ulna, on the line connecting Yang Gu (SI-5) and Xiao Hai (SI-8).
🔬 Anatomy
Flexor carpi ulnaris muscle. Innervated by the medial cutaneous nerve of the forearm and the ulnar nerve.
💉 Needling
Perpendicular insertion 0.5 to 1 cun. The point should be needled with the patient supine, with the arm supinated or resting on the chest.
📜 Etymology
Zhi (支), divergence; Zheng (正), Regular Meridian. The Collateral of the Hand Tai Yang Small Intestine Meridian leaves this point for the Hand Shao Yin Heart Meridian.
[Classified] Luo (Connecting) point of the Hand Tai Yang Small Intestine Meridian.
