Ponto do canal do Intestino GrossoSafeMembro Superior
Depth
00.5–1 cun3.0
Perpendicular insertion
Precautions
None standard
📍 Location (classical)
1 cun proximal (obliquely superior) to the lateral end of the cubital crease (LI-11), on the anterior border of the humerus.
🧭 How to find it (practical)
With the elbow flexed, locate the point 1 cun directly above Qu Chi (LI-11), on the lateral border of the triceps brachii tendon.
🔬 Anatomy
Lateral supracondylar ridge of the humerus, origin of the brachioradialis and triceps brachii muscles. Innervated by the posterior cutaneous nerve of the forearm and the radial nerve.
💉 Needling
Vertical insertion 0.5–1 cun; the needle is introduced between the border of the humerus and the flexor muscles in a medial direction.
📜 Etymology
Zhou (肘), elbow; Liao (髎), bone hole. The point lies on the elbow, near the bone hole.