point locator

SI3 Houxi: Back Ravine Hand Point, Neck/Back Context, and Safety

Understand SI3 Houxi before comparing desk neck/shoulder, back, hand, Bladder/Du channel, or printable-card pages.

Content checked 2026-01-08Point-specific diagramEducation only

Quick Answer

SI3 Houxi, often remembered as Back Ravine, is a Small Intestine meridian point on the side of the hand. It appears in neck and back channel traditions, but hand pressure is not a workaround for neck injury, back pain, numbness, weakness, severe pain, or hand injury.

Safety Decision

Stop before pressure if the body area is injured, the symptom is severe or unusual, or qualified care should come first.

Continue only as a short, comfortable, education-only routine after reading the locator and stop signs.

Front-view human musculature medical illustration used as a licensed anatomy base.SI3 Houxi
hand locatorSI3 Houxi
side of handOn the outer side of the hand near the little-finger edge, around the hand crease area.Medical base: Musculature homme face by Servier Medical Art, licensed under CC BY 4.0.Human anatomy base: Servier Medical Art under CC BY 4.0, with attribution. Point marker and regional locator are educational, not clinical location guidance.

Before You Try This

This SI3 page is educational and not medical advice. It cannot assess hand injury, neck pain, back pain, numbness, weakness, headache, or whether pressure is suitable.

Ask qualified care for neck or back injury, numbness, weakness, severe pain, hand injury, swelling, neurological signs, persistent symptoms, medication questions, pregnancy, children, or chronic illness.

reader path

Is This the Right Page to Read Now?

Use this page when

Use this acupoint page, SI3 Houxi: Back Ravine Hand Point, Neck/Back Context, and Safety, when the reader wants this exact point task: Understand SI3 Houxi before comparing desk neck/shoulder, back, hand, Bladder/Du channel, or printable-card pages.

Skip this page when

This acupoint page fails if the Back Ravine on the side of hand in the Small Intestine family locator becomes a treatment shortcut, a stronger-pressure target, or a replacement for the named safety stop signs.

Next step

Check hand, neck, and back cautions, then choose the desk routine, BL23, GB20, or Safety. Then choose read-only, one brief comfortable contact, a printable card, or a safety stop.

Diagram Notes

The marker highlights SI3 Houxi, Back Ravine, on a side of hand locator view; its landmark cue is "On the outer side of the hand near the little-finger edge, around the hand crease area." Use it with the safety cues rather than treating the marker as clinical precision.

Locator overlay for SI3 Houxi, Back Ravine, placed on CC BY 4.0 Servier Medical Art human anatomy base images and paired with a regional landmark view.

How to read the SI3 locator

  • Start with the broad area: side of hand.
  • Compare the written landmark: On the outer side of the hand near the little-finger edge, around the hand crease area.
  • Use the marker as orientation, then let comfort and the avoid painful hand pressure caution decide whether to stop.

The Back Ravine locator uses a licensed educational anatomy base for the side of hand; it is not a clinical locator or personal safety clearance.

Why This Page Gets Extra Attention

Reader Scenario

A reader arrives at SI3 after seeing a short chart and needs to verify the Back Ravine landmark on the side of hand before doing anything physical.

Common Misread

Do not use SI3 as a neck and back channel traditions shortcut; the locator and caution still decide whether this stays reading-only.

Editorial Call

Back Ravine earns its length only when it separates side of hand touch, landmark confidence, neck and back channel traditions context, and the reason to stop.

Best Next Choice

Choose whether Back Ravine should stay read-only, allow one brief comfortable side of hand contact, move to the printable card, or open a safety page.

Use the Back Ravine locator as a neighborhood check for the side of hand; the written landmark still outranks the marker.

SI3 Houxi and the Back Ravine name

SI3 is the standard code for Houxi, often remembered as Back Ravine. The name explains why a hand point appears near neck and back channel language. It does not mean the hand can answer neck pain, back pain, headache, numbness, or weakness.

The side of the hand has its own cautions

Hand injury, swelling, stiffness, numbness, tingling, broken skin, severe pain, or irritated tissue should stop pressure. A hand point can feel safer than a neck or back point, but it still has local tissue limits.

Why SI3 appears in desk neck and shoulder pages

The desk routine includes SI3 because some traditional maps connect the hand, neck, back, and Du-channel language. The useful reader task is comparison: hand point, neck-base point, shoulder point, lower-back point. It is not a promise that a hand point changes desk pain.

How SI3 relates to BL23, GB20, and GB21

BL23 carries lower-back context, GB20 carries neck-base context, and GB21 carries shoulder context with pregnancy caution. SI3 gives a side-of-hand comparison. These pages help the reader choose the right article family and stop when symptoms are stronger.

The wrong way to read SI3

The wrong reading is: if the neck or back is uncomfortable, use a hand point to avoid touching the painful area. A safer reading is: SI3 is a named hand point, and neck or back warning signs still belong with Safety or qualified care.

Technique boundaries for SI3

This page does not teach acupuncture, moxa, cupping, scraping, pressure dosing, hand therapy, neck care, or back care. It keeps the point article focused on naming, broad location, related pages, and stop signs.

Best next page after SI3

Choose the desk routine for mild posture-related reading. Choose GB20 or GB21 when the neck or shoulder page is the real task. Choose BL23 for lower-back vocabulary. Choose Safety when hand, neck, back, neurological, or severe symptoms appear.

Full-page decision frame for SI3

SI3 Houxi, Back Ravine, deserves more than a chart label because the reader has to make several separate decisions before touching the side of hand. The first decision is identity: this is a Small Intestine point, not a general label for every nearby tender place. The second decision is context: neck and back channel traditions is a traditional or wellness reading cue, not a promise that pressure changes a personal condition. The third decision is safety: avoid painful hand pressure. A full page for Back Ravine therefore has to slow the reader down. It names the point, describes the broad locator, explains why the point appears with certain routines, separates acupressure from professional techniques, and gives a conservative next page. If the reader only wants a quick answer, the safest quick answer is still narrow: read the locator, check the stop signs, and use the point only as education unless the situation is mild and comfortable.

How to verify the side of hand landmark

SI3 starts with the side of hand view, but the visual marker is only a region finder. The written landmark carries the real work: On the outer side of the hand near the little-finger edge, around the hand crease area. Use cautious pressure and stop if the hand feels sharp, numb, or painful. This matters for Back Ravine because readers often arrive after seeing a short social post, wrist band, point chart, or routine list. A chart can make the target look cleaner than a real body feels. The reader should first name the broad body area, then compare the landmark with bones, tendons, folds, or soft tissue nearby, then check whether the skin and sensation are normal. If the reader cannot repeat the landmark in plain English, SI3 should remain a reading page. If the body area is painful, numb, swollen, bruised, hot, wounded, recently injured, or hard to interpret, the locator has already done its job by telling the reader to stop.

What neck and back channel traditions means on this page

The phrase neck and back channel traditions explains why SI3 appears in this atlas, but it does not turn Back Ravine into a personal answer. For Houxi, the use context is a signpost for reading related pages, not a guarantee, not a ranking, and not a reason to ignore symptoms. A better way to read the phrase is: people commonly encounter this point while researching neck and back channel traditions, so the page should explain the name, locator, safety limits, and nearby choices clearly. That is very different from saying the point handles the concern. If the concern is mild and ordinary, SI3 can be part of a conservative reading path. If the concern is severe, new, persistent, frightening, pregnancy-related, medication-related, child-related, post-surgery, or connected with chronic illness, the neck and back channel traditions phrase becomes less important than the safety path.

How SI3 relates to nearby point pages

Back Ravine should be compared with related pages only one relationship at a time. Useful comparison points include LI4 Hegu (back of hand), ST36 Zusanli (front outer lower leg), SP6 Sanyinjiao (inner lower leg), HT7 Shenmen (wrist crease). The relationship may come from the same meridian, the same body region, a similar routine page, or a shared beginner question, but those relationships do not make the points interchangeable. LI4 Hegu has its own locator and caution; ST36 Zusanli has another. For SI3, the right comparison question is not "which point is stronger?" but "which page answers my current job?" A culture page explains the name. A printable page preserves memory. A wellness page compares a mild scenario. A safety page interrupts action. Reading those pages in the right order keeps Houxi from becoming one more item in a long, unfocused list.

When pairing SI3 with another point makes sense

Pairing SI3 with another point is a reading decision before it is a physical routine. The safest pairing starts on a guide such as Desk Routine for Neck and Shoulder Tension, where the page can explain why several points appear together and which stop sign controls the whole set. For Back Ravine, pairing is most useful when it clarifies roles: one point may be the main locator to read, another may be a comparison point, and another may be a reason to leave the routine for Safety. Pairing is not useful when it simply adds more body areas because more points sound more complete. Each added point adds a new landmark, new tissue, and a new way to misread discomfort. If the reader cannot explain why SI3 belongs with the next point, the better step is to read one full page and stop.

Using SI3 inside a short routine

Back Ravine may appear in head, face, neck, or screen-fatigue reading paths, but a routine must leave severe, unusual, eye, neurological, or injury signs to care. A short routine around SI3 should have a beginning, a check, and an end. The beginning is the safety review: avoid painful hand pressure. The check is the locator review: On the outer side of the hand near the little-finger edge, around the hand crease area. The end is a conscious decision to stop, continue reading, or open a related page. If gentle contact is appropriate, it should stay brief, comfortable, and easy to release. The reader should not chase a deep ache, try to create sensation, or keep pressing because a point name sounds important. A routine also should not stack SI3 with every point on the Small Intestine line. The page works best when it turns a vague impulse into one narrow action: read, locate broadly, touch lightly only if low risk is clear, and stop if the body gives any reason to stop.

Acupuncture, moxa, and cupping boundaries for SI3

SI3 can appear in professional acupuncture, moxibustion, or cupping contexts, but this page does not teach those methods. Acupuncture involves needles and belongs with qualified professional practice. Moxibustion involves heat, smoke, fire, burn risk, and pregnancy caution. Cupping involves suction, bruising, skin status, blood-thinner concerns, and injury questions. Those techniques are not stronger home versions of acupressure. For Back Ravine, the public page can explain that the same named point may appear across modalities, but it cannot convert professional technique language into instructions. If a reader came here searching for needling effects, moxa application, cupping placement, or stronger results, the safe answer is to stay in education mode and use qualified care or a licensed practitioner rather than improvising on the side of hand.

Wrong turns readers make with Back Ravine

A frequent wrong turn is to treat tenderness near SI3 as proof that the point was found. Tenderness can mean pressure is too strong, the tissue is irritated, or the wrong body area is being tested. Another wrong turn is to use neck and back channel traditions as a shortcut around safety. A third is to keep moving across the side of hand until something feels intense. For Back Ravine, intensity is not the goal. Clarity is the goal. The reader should be able to say: this is the Small Intestine point Houxi, the locator is On the outer side of the hand near the little-finger edge, around the hand crease area., the caution is avoid painful hand pressure, and my next step is either read-only, gentle and brief, a related page, or qualified help. If that sentence cannot be said honestly, the page has not cleared pressure.

When SI3 is not the right next page

SI3 is not the right next page when the reader is trying to decide whether a symptom is serious, whether medicine can be changed, whether pregnancy or child use is safe, or whether an injury can be worked around. It is also not the right page when skin, tendon, pulse-sensitive tissue, numbness, swelling, bruising, or uncertainty is present. In those cases, opening more point pages can create false momentum. The better route is a safety page, a professional conversation, or emergency guidance when warning signs are present. The value of the Back Ravine article remains intact even when the answer is not to press. It still gives language, location context, visual orientation, and relationships. A high-quality point page is allowed to say that the most useful next action is leaving the point page.

How the printable card should depend on this page

The printable SI3 card should be treated as a reminder after this full article, not as the article itself. A card can remember Houxi, Back Ravine, the broad side of hand cue, and the stop signs, but it cannot carry the full context around neck and back channel traditions, related points, source limits, or technique boundaries. For SI3, the card is useful when the reader has already read the landmark and wants a small memory aid. It is not useful when separated from the safety note, used during a high-risk situation, or shared as a quick instruction. If a card and the full page disagree in the reader's mind, the full page wins. If the card makes the action feel too easy, return to the full page or Safety.

Source and visual notes for Back Ravine

The source notes on SI3 have different jobs. Nomenclature and location sources keep SI3 Houxi aligned with standard naming and broad locator language. Safety and health-information sources keep the page from becoming personal advice. The visual source identifies the licensed anatomy base used for orientation; it does not prove exact placement on any reader's body. For Back Ravine, that split is important because source lists can look more authoritative than they are. A source can support a name, a boundary, a cultural context, or a visual credit, but it cannot inspect the reader, confirm a symptom, clear an injury, or promise that neck and back channel traditions will improve. The trustworthy reading is modest, traceable, and limited.

Final choice after reading SI3

End the Back Ravine page with one of four choices. Choice one is read-only: the reader understands SI3 better but does not touch the side of hand. Choice two is a brief gentle contact: the situation is mild, the skin and tissue feel normal, the landmark is clear, and the reader can release immediately. Choice three is a related page: the reader needs Desk Routine for Neck and Shoulder Tension, a name-meaning page, a printable memory aid, or a safety answer before acting. Choice four is qualified care: the concern is personal, severe, persistent, unusual, pregnancy-related, medication-related, child-related, chronic-condition-related, injury-related, or unclear. The page is successful when the reader can choose among those outcomes without relying on a chart alone. SI3 is a named point, but the decision is the real product.

Relationship map after SI3

SI3 should leave the reader with a relationship map, not just a locator. Start with the point itself: Houxi, translated here as Back Ravine, sits in the Small Intestine context and uses the side of hand cue. Then compare neighboring reading paths: LI4 Hegu on the back of hand; ST36 Zusanli on the front outer lower leg; SP6 Sanyinjiao on the inner lower leg; HT7 Shenmen on the wrist crease; LU7 Lieque on the thumb-side forearm. Those pages are not backup targets to press if SI3 feels uncertain; they are separate articles with separate body areas, cautions, and purposes. The broader use-case map is Desk Routine for Neck and Shoulder Tension. Use those pages only when the concern is mild enough to remain in education and safety navigation. This map is important because many people search for a point by discomfort, then keep adding pages until something feels persuasive. A better habit is to ask which relationship explains the next decision. If the next decision is name meaning, open Culture. If it is a memory aid, open Printable. If it is a combination, open the matching wellness guide. If it is risk, leave SI3 for Safety. The map keeps Back Ravine from becoming a loose claim about neck and back channel traditions.

What the reader can safely take away from SI3

A careful takeaway from SI3 has five parts. First, remember the identity: SI3 Houxi, Back Ravine, is a named point, not a universal body button. Second, remember the place: On the outer side of the hand near the little-finger edge, around the hand crease area. Third, remember the caution: avoid painful hand pressure. Fourth, remember the use-language limit: neck and back channel traditions explains why the point appears in traditional and wellness reading paths, but it cannot decide a personal symptom or promise an outcome. Fifth, remember the next action: read only, use a brief gentle contact only when low-risk context is obvious, compare one related page, or ask qualified care. This takeaway is intentionally practical. It gives the reader something to do with the page without turning the page into medical advice. For Back Ravine, the best result is not that the reader presses more confidently. The best result is that the reader can explain why this point fits, why it does not fit, or why the question belongs outside the atlas today.

What sources support beside the evidence note for SI3

Reader use: for SI3 Houxi, the recalled sources support the exact article identity at /acupoints/si3-houxi/, the displayed point name, and the broad locator language used on this page rather than a generic chart. Reader use: for SI3 Houxi, the named sources support the page-specific boundary "This SI3 page is educational and not medical advice. It cannot assess hand injury, neck pain, back pain, numbness, we..." and the article value "A hand point article that explains why a neck/back relationship does not make SI3 a shortcut around neck or back safety." without promising a result. Read these notes as traceability for this one point page; they cannot inspect the reader's skin, medication, pregnancy status, chronic illness, pain pattern, urgency, or whether pressure belongs today.

Questions Readers Usually Ask

Why is a hand point linked to neck and back pages?

The link comes from traditional channel relationships. It helps navigation; it does not turn SI3 into a neck or back answer.

Can SI3 replace pressing the neck?

No. It is a different point page, not a workaround for neck injury, numbness, weakness, severe pain, or warning signs.

Should I press SI3 if my hand hurts?

No. Hand pain, injury, swelling, numbness, tingling, or irritated skin should stop pressure. Read the locator, point-specific caution, related safety page, and next link before any pressure idea.

Sources Used

For SI3 Houxi: Back Ravine Hand Point, Neck/Back Context, and Safety, these notes are tied to this page asset: A hand point article that explains why a neck/back relationship does not make SI3 a shortcut around neck or back safety. They show which references support names, location terms, safety boundaries, cultural context, visual attribution, or content-check wording. They do not assess your symptoms, medication, pregnancy status, skin, or personal health situation for this page.

World Health OrganizationWHO Standard Acupuncture NomenclatureReader note: Used to keep point codes, pinyin naming, and meridian labels consistent. Not used as evidence that a point works for a health condition.Reader use: Used to keep point codes, pinyin naming, and meridian labels consistent. Not used as evidence that a point works for a health condition.World Health Organization Western Pacific RegionWHO Standard Acupuncture Point Locations in the Western Pacific RegionReader note: Used for broad location discipline and to avoid inventing locator certainty. Not used to make a public body-map marker clinically exact.Reader use: Used for broad location discipline and to avoid inventing locator certainty. Not used to make a public body-map marker clinically exact.NIH MedlinePlusHand Injuries and DisordersReader note: Used for side-of-hand pressure caution on SI3 and hand-related desk pages. Not used to assess hand symptoms or clear pressure on an injured hand.Reader use: Used for side-of-hand pressure caution on SI3 and hand-related desk pages. Not used to assess hand symptoms or clear pressure on an injured hand.NIH MedlinePlusNeck Injuries and DisordersReader note: Used for neck and desk-tension boundaries when pain, injury, numbness, weakness, or worsening symptoms appear. Not used to assess neck pain or decide whether acupressure is suitable.Reader use: Used for neck and desk-tension boundaries when pain, injury, numbness, weakness, or worsening symptoms appear. Not used to assess neck pain or decide whether acupressure is suitable.NIH MedlinePlusBack PainReader note: Used for back and spine-adjacent stop signs on lower-back, desk, and Bladder meridian point pages. Not used to identify a cause of back pain or clear pressure near the spine.Reader use: Used for back and spine-adjacent stop signs on lower-back, desk, and Bladder meridian point pages. Not used to identify a cause of back pain or clear pressure near the spine.Standardization Administration of ChinaGB/T 12346-2021 Nomenclature and Location of Meridian PointsReader note: this source supports standardized point names, codes, and location vocabulary.Reader use: check standardized point codes, Chinese names, and location vocabulary for SI3 Houxi; do not treat naming precision as personal clearance.World Health OrganizationWHO Standard Acupuncture NomenclatureReader note: this source helps keep acupoint codes and English naming consistent across pages.Reader use: compare SI3 Houxi with international acupoint code and naming conventions, not with symptom advice.NCCIHAcupuncture: Effectiveness and SafetyReader note: this source supports cautious evidence wording and the education-only boundary.Reader use: understand cautious evidence, safety limits, and the education-only boundary around Small Intestine naming, side of hand location cues, and neck and back channel traditions.Servier Medical ArtServier Medical Art human anatomy imagesReader note: this source provides the licensed human-body base images under CC BY 4.0 attribution.Reader use: recognize SI3 Houxi's licensed human-body base as a visual orientation aid, not clinical point placement.