SI14 Outer Shoulder Shu

Reviewed by · Licensed Acupuncturist & TCM Physician · Last reviewed June 2026

SI14 (Jianwaishu, “Outer Shoulder Shu”) is an acupuncture point on the Small Intestine Channel Meridian. It is located 3 cun lateral to the lower border of the spinous process of the first thoracic vertebra (T1). It activates the meridian and alleviates pain.

Location

3 cun lateral to the lower border of the spinous process of the first thoracic vertebra (T1).

Needling

Oblique insertion 0.5-0.8 cun. Caution: Pneumothorax.

⚠ Pneumothorax risk: oblique/shallow only, never deep perpendicular over the chest wall.

TCM functions

Activates the meridian and alleviates pain.

Indications

Pain in the scapular region, pain in the shoulder and back.

Clinical notes

SI14, Jianwaishu, is a significant point for pain and stiffness in the shoulder and upper back, particularly along the outer aspect of the scapula. It is effective for conditions such as frozen shoulder, scapular pain, and difficulty moving the arm. Its action focuses on activating the meridian, dispelling wind-damp, and alleviating pain in the shoulder girdle.

On the Small Intestine Channel channel

SI14 is one of 19 points on the Small Intestine Channel Meridian. Nearby points:

Frequently asked questions

Where is SI14 located?

SI14 (Jianwaishu) is located 3 cun lateral to the lower border of the spinous process of the first thoracic vertebra (T1).

What is SI14 used for?

SI14 activates the meridian and alleviates pain. Common clinical indications include pain in the scapular region, pain in the shoulder and back.

How is SI14 needled?

Oblique insertion 0.5-0.8 cun. Caution: Pneumothorax. Caution: ⚠ Pneumothorax risk: oblique/shallow only, never deep perpendicular over the chest wall.

Which meridian is SI14 on?

SI14 is a point on the Small Intestine Channel Meridian (Shǒu Tài Yáng Xiǎo Cháng Jīng).

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⚠️ This page is for general education and is not medical advice. Acupuncture is a traditional practice; evidence varies by condition and study quality, and individual results differ. It does not replace diagnosis or treatment by a licensed professional. Always consult a qualified acupuncturist or physician.