SI9 (Jiānzhēn, “True Shoulder”) is an acupuncture point on the Small Intestine Channel Meridian. It is located on the posterior aspect of the shoulder, 1 cun superior to the posterior axillary fold, inferior to the posterior border of the deltoid muscle. It activates the meridian and alleviates pain.
On the posterior aspect of the shoulder, 1 cun superior to the posterior axillary fold, inferior to the posterior border of the deltoid muscle.
Perpendicular insertion 1-2 cun. Caution for pneumothorax.
Activates the meridian and alleviates pain.
Shoulder and arm pain, limited shoulder movement.
SI9 is a key local point for shoulder pain, particularly limited abduction and posterior shoulder pain. It is highly effective for conditions like frozen shoulder, rotator cuff injuries, and general stiffness in the shoulder joint. Its name, "True Shoulder," emphasizes its direct action on the shoulder. It is often combined with SI10 and LI15 for comprehensive shoulder pain relief.
SI9 is one of 19 points on the Small Intestine Channel Meridian. Nearby points:
SI9 (Jiānzhēn) is located on the posterior aspect of the shoulder, 1 cun superior to the posterior axillary fold, inferior to the posterior border of the deltoid muscle.
SI9 activates the meridian and alleviates pain. Common clinical indications include shoulder and arm pain, limited shoulder movement.
Perpendicular insertion 1-2 cun. Caution for pneumothorax. Caution: ⚠ Pneumothorax risk: oblique/shallow only, never deep perpendicular over the chest wall.
SI9 is a point on the Small Intestine Channel Meridian (Shǒu Tài Yáng Xiǎo Cháng Jīng).