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Houxi SI3

Make a loose fist. On the little-finger side of your hand, find the crease that reaches the outer edge of your palm just behind the little-finger knuckle. SI3 sits in the small hollow at the end of that crease, just toward the wrist from the knuckle.

Educational preview · clinical review pending

Reviewed location guidance

Illustrative only · no placement diagram

Use the reviewed location illustration with the safety guidance below.

Locate

Where is it?

Make a loose fist. On the little-finger side of your hand, find the crease that reaches the outer edge of your palm just behind the little-finger knuckle. SI3 sits in the small hollow at the end of that crease, just toward the wrist from the knuckle.

Stay on the outer edge of the hand — not in the center of the palm and not directly on the knuckle.

Landmarks

  • Fifth MCP knuckle
  • Little finger side of hand
  • Distal transverse palmar crease endpoint
  • Ulnar hand border

Contact

Where should my finger touch?

  • Contact: Thumb or fingertip pad
  • Region: Superficial ulnar hand hollow
  • Pressure Envelope · Allowed: Comfortable surface pressure
  • Pressure Envelope · Allowed: Gentle rubbing
  • Pressure Envelope · Deep Pressure: Prohibited
  • Pressure Envelope · Painful Pressure: Prohibited
  • Pressure Envelope · Bony Probing: Prohibited

Duration, rhythm and side order belong to the routine.

Safety

  • Local Avoid: Numb area
  • Local Avoid: Open wound
  • Local Avoid: Active rash
  • Local Avoid: Severe swelling
  • Local Avoid: Active infection
  • Local Avoid: Recent hand injury or fracture
  • Local Avoid: Recent blood clot
  • Ease Or Stop If: Sharp pain
  • Ease Or Stop If: Increasing numbness
  • Ease Or Stop If: Shooting or electric sensation
  • Ease Or Stop If: Marked discomfort

Traditional use

Traditional context

Traditionally used in neck and upper-back patterns.

traditional theory

Educational preview · clinical review pending

TCM-NI-001

Modern evidence

Desk & Body Tension · Limited

SI3 is included in modern self-care guidance for neck discomfort; its independent effect cannot be separated.

manual acupressure

Educational preview · clinical review pending

MOD-NECK-VA-001 MOD-NECK-001

Evidence limits

Traditional use and modern evidence are separate. Component research does not validate a PointWell sequence or its timing. Content has completed PointWell’s clinical consumer-copy and release review. Exact PointWell protocols have not been clinically validated.

Evidence & Sources

References are transcribed from the supplied knowledge base. Full sources and exact location pages have not been rechecked in this implementation.

《倪海厦人纪系列之针灸教程.pdf》

TCM-NI-001 · Local reference; direct quotation not verified

U.S. VA: Acupressure for Neck Pain ↗

MOD-NECK-VA-001 · KB-listed reference

Safety

General self-care. PointWell offers general self-care and educational guidance and is not a substitute for diagnosis, treatment, or emergency medical care.

Stop if you feel worse. Stop the session if you feel worse. If symptoms are severe, unusual, persistent, or worsening, seek appropriate medical care.

SI3 safety. Avoid wounds, severe swelling, infection, numb areas, or a recent blood-clot area. Stop for sharp pain, dizziness or unusual symptoms.

Used in PointWell routines

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5 min

5-Minute Desk & Neck Ease

A guided sequence using GB20, SI3, slow shoulder movement, and gentle neck rotation.

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