Encontro IG-Yang Qiao MaiCruzamento Yang Qiao MaiPonto local do ombroSafeMembro Superior
Depth
01–1.5 cun3.0
Oblique insertion
Precautions
Avoid deep medial insertion into the joint capsule without specific indication — there is risk of penetrating the glenohumeral joint with vertically directed needling.
📍 Location (classical)
In the depression anterior and inferior to the acromion. With the arm abducted to 90°, two depressions appear at the anterior and posterior borders of the acromion; LI-15 is located in the anterior depression.
🧭 How to find it (practical)
1. With the arm abducted, locate the point in the anterior depression of the shoulder joint.
2. With the shoulder relaxed, locate the point 2 cun directly below the acromial extremity of the clavicle, on the Large Intestine Meridian, Hand Yang Ming. (Fig. 9.5)
🔬 Anatomy
Anterior and middle fibers of the deltoid muscle, supraspinatus tendon. Innervated by the lateral supraclavicular nerve and the axillary nerve.
💉 Needling
Perpendicular insertion (with the arm abducted) 1.0–1.5 cun, or downward oblique insertion (with the arm at rest) 0.8–1.5 cun.
📜 Etymology
Jian (肩), shoulder; Yu (髃), corner, angle. The point lies at the corner of the shoulder.
