SI3 - Houxi (Small Intestine Point 3)

Point features

Where is it located

SI3 is located on the ulnar border of the hand, in the depression proximal to the metacarpophalangeal joint of the fifth finger, just behind the head of the fifth metacarpal.

Functions

• Shu-Stream, Wood point and opening point of the Du Mai
• Treats back pain, neck stiffness, and dorsal discomfort
• Calms the Shen and regulates the central nervous system
• Further information available in the app

What is it for

• Neck pain
• Cervical stiffness
• Lower back pain
• Epilepsy, restlessness, insomnia
• Fever, Wind-type headaches
• Further information available in the app

In the app, you can explore all the conditions treatable with SI3, its interactions with other points, and its relation to classical TCM.

Curiosity

Houxi, 'Back Stream', is one of the most powerful points for treating the spine and the Yang channels of the back, due to its connection to the Du Mai. Frequently paired with BL62 (opening of Yang Qiao Mai) to balance movement and dorsal energy. Essential in protocols for acute neck stiffness and postural tension.

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