On the posterior aspect of the shoulder, in the depression posterior and inferior to the acromion. With the arm abducted at 90 degrees, it is in the posterior depression (LI-15 lies in the anterior depression).
🧭 How to find it (practical)
With the arm abducted, locate the point in the posterior depression of the shoulder joint.
With the shoulder relaxed, locate the point 2 cun immediately below the posterior border of the acromioclavicular joint, between the acromion and the greater tubercle of the humerus.
🔬 Anatomy
Motor point of the posterior deltoid. Muscular branch of the axillary nerve. Muscular branch of the posterior circumflex humeral artery.
💉 Needling
With the affected arm abducted, insert the needle perpendicularly between the acromion and the greater tubercle of the humerus, pointing toward Jiquan (HT-1), for 1 to 1.5 cun.
📜 Etymology
Jian (肩), shoulder; Liao (髎), cleft, foramen. The point is a foramen in the shoulder.
