The lungs lie beneath: gentle pressure only, never hard or sharp.
肩外俞 Jianwaishu
“Outer Shu of the Shoulder” · SI14
Hand Taiyang · 14 of 19
Where. On the upper back, four finger-widths out from the spine, just below the level of the big bump at the base of the neck.
For. Shoulder and back pain, a stiff neck.
Press. Two finger pads, slow circles, one minute each side.
Caution. The lungs lie beneath: gentle pressure only, never hard or sharp.
肩外俞，在肩胛上廉，去脊三寸陷者中按 · Press with me
Six slow breaths
About a minute. Press as you breathe out, ease as you breathe in.
鄰 · Neighbouring leaves
Where Jianwaishu Sits on the Upper Back
On the upper back, the dataset places Jianwaishu three cun lateral to the lower border of the spinous process of the first thoracic vertebra. Every phrase rewards unpacking. Run a finger down the back of the neck to the neck-shoulder junction and there it is: the most prominent knob of the whole column, the one that slides visibly when the head turns. That knob is the seventh cervical vertebra, and the very next ridge below it belongs to the first thoracic vertebra; the lower edge of that ridge draws the horizontal line this point lives on. From there, measure straight out to the side three cun — and a cun means the proportional body-measure of Chinese point-location, conventionally the width of the person’s own thumb, so three cun is about three thumb-widths tuned to whoever is being examined.
The ground under the fingertip is muscular and quietly important. A broad, sheet-like muscle blankets this whole slope of the upper back, and here it also gathers the fastenings of the deep neck muscles that climb toward the upper corner of the shoulder blade. Beneath the muscle runs the topmost slice of the rib cage, and this is where plain geography writes the caution: high on the trunk, the lung climbs toward the root of the neck, and only a thin cushion of muscle separates skin from lung membrane here. The dataset’s warning against deep insertion — risk of puncturing the lung membrane — is simply that geography stated as a rule. A useful checkpoint stands on the same horizontal line: the neighbouring station Dazhu (BL11) sits halfway out, one and a half cun from the spine’s midline, so the stretch from spine to your marked spot should feel like two lengths of that half-measure.
Above and below, the slope keeps company. One level higher and one cun nearer the midline sits Jianzhongshu (SI15), its twin name carrying central where this one carries outer; farther down and out, past the inner border of the shoulder blade, lies Quyuan (SI13) on the scapula itself. Reading them together turns a lonely coordinate into a map: the whole band between spine and shoulder blade at this height is one continuous territory of muscle and intention, and Jianwaishu holds its outer-middle stretch. As everywhere on the body map, the two sides answer one another — whatever hollow or thickness the fingers settle into on one side should summon its mirror on the other. Terrain checks finish the search: yielding muscle rather than naked bone, high on the back just below the neck’s base, and safely inside the line where the back rounds toward the armpit.
A Self-Palpation Walkthrough
Sit upright on a firm chair, feet planted, shoulders released, so nothing guards. First build the landmarks. Bow the chin slightly and turn the head side to side while a fingertip watches the back of the neck: the great knob at the bottom that swings under the finger is the seventh cervical vertebra. Straighten again, slide down onto the very next ridge — that is the first thoracic vertebra — and settle the fingertip on the lower edge of that ridge. Now walk three thumb-widths out to the side, staying level, until the pad presses into the thick roll of muscle between spine and shoulder blade: this is Jianwaishu. Mark it, then repeat the entire search on the other side with hands swapped, so both sides receive the same patient attention.
Two confirmations settle doubt before any real pressure begins. First, the halfway check: from your spot, walk inward one and a half thumb-widths toward the spine; you should arrive at the level of Dazhu (BL11), which the record places one and a half cun out on this same line — if the arithmetic of your fingers lands there, the outward measurement can be trusted. Second, compare sides with a feather-light touch: many people notice a faint, dull awareness or slight ache at the true point and little sensation a thumb-width away. The tissue itself helps too — under a patient fingertip this station reads as dense, springy muscle blanket rather than bare bone or soft hollow. If what you feel is bone, you have wandered onto a rib or the blade’s border; slide gently until muscle returns beneath the pad.
Common slips cluster predictably. Measuring from the prominent seventh-cervical knob instead of the vertebra below puts the whole line one level too high — territory belonging to Jianzhongshu and its neighbours. Drifting upward happens easily because the neck muscles pull attention up; re-anchor on the lower edge of the first thoracic ridge every time. Walking farther out than three thumb-widths slides toward the rear border of the armpit line, where the muscle thins; walking less lands near the spine-side stations. And pressing hard while searching teaches nothing and risks bruising: this ground answers patience. When lost, return to the turning test — find the knob that moves when the head turns, drop down one ridge, and begin the outward walk again, slowly.
Reading the Name: Outer Shu of the Shoulder
The name tells its story plainly. Jian 肩 is the shoulder, drawn with the flesh radical that anchors so many body-word characters. Wai 外 means outside or outer — the character’s old sense of what lies beyond a boundary. Shu 俞 belongs to a whole family of point-name characters that dictionaries trace to the notion of conveyance: stations where a channel’s activity shuttles to the body’s surface. Read together, Jianwaishu offers something like the outer transport of the shoulder — a conveyance-point standing out on the shoulder’s outer slope, away from the spine, where the traffic of the shoulder country passes closest to hand.
The name gains depth from the naming landscape around it. Classical teaching lines the paraspinal country with transport points named for the organs they serve, and this corner of the upper back borrows the convention with a difference: here the name carries not an organ but the shoulder itself, marking stations drafted for the shoulder’s business. The pairing is deliberate — one level higher sits Jianzhongshu, the shoulder’s central shu; one level lower and outward lies this outer shu — a matched set staked out along the same slope. And why does the small intestine channel hold property here? Classical descriptions carry its pathway from the little finger up the back of the arm, over the elbow and shoulder joint, then breaking across this very shoulder-blade country on the winding road toward the neck and, finally, the cheek and ear. Of the channel’s nineteen stations, several crowd this single slope — proof, if the map needed it, of how much shoulder business the tradition conducted here.
Pinyin renders the name Jiānwàishū: a flat, high first tone on jian, a decisive falling fourth tone on wai, and another flat first tone on shu — the name dips once at its centre and levels again, like the slope it names. The three hanzi 肩外俞 stay legible at a glance, and like so many channel points named for architecture and terrain — gates, valleys, courtyards, storehouses — the metaphor works: a transport depot set on the outside of the shoulder’s hill country. Names in this tradition compress instructions; this one says the place to serve the shoulder from is out here, on the slope, not tucked against the spine.
Traditional Indications, Explained
The record lists three traditional indications: shoulder and back pain; stiffness of the neck and nape; and weakness of the arm. Take the first on its own terms. The channel crosses this slope, and classical reasoning met pain where the pathway ran: when cold, damp, or stalled flow was judged to have settled in the sinews of the upper back, points along the route were chosen to meet it, and Jianwaishu stood mid-slope with its hand out. Old formularies’ shoulder-and-back entries cluster along exactly this band, which is why the dataset’s first indication reads less like a diagnosis than an address: the sore middle country between spine and shoulder blade was this point’s home ground.
The second indication, stiffness of the neck and nape, arrives by the same road. From this shoulder country the pathway climbs beside the neck toward the face, and tradition shared duties for complaints among the stations of a route: what troubled the road could be met anywhere along it. A neck that would not turn freely, a nape knotted tight — these belonged to the conversation of the upper stations, and this slope joined the discussion from just below. Modern readers should hear the register clearly: these are traditional ways of organising the body, recorded for understanding. A stiff neck today has many causes, some trivial and some not, and persistent or severe ones deserve proper assessment rather than a longer pressing session.
The third indication, weakness of the arm, is the one to read most carefully. Old records reached for points like this when limbs hung heavy or powerless after stroke-like illness, and the listing documents that ambition of thought. Today, genuine loss of strength in an arm belongs promptly with medical assessment and rehabilitation teams, and nothing on this page suggests otherwise. It bears repeating plainly: these are traditional uses recorded in a licensed dataset and classical literature, offered for cultural and historical understanding, not claims that pressing this point treats disease. Where modern research touches self-applied pressure at all, reviews suggest effects are modest and context-dependent, and evidence specific to any single point remains thin. Hold the tradition lightly; hold the referral rules firmly.
Self-Care Acupressure at Home
With the point located by the walkthrough above, settle in: seated, spine tall but unforced, head balanced over the shoulders rather than jutting forward. Curl index and middle fingers together and rest the pads — not the tips — on the spot, reaching across your body, or ask a companion if either shoulder objects. Begin with contact alone for a few slow breaths, then add small, unhurried circles, letting the skin glide over the thick muscle beneath rather than grinding. Pressure should register as pleasant dullness or spreading warmth, never sharpness. A common home rhythm is one to three minutes per side, once or twice daily, matched where possible to slow exhales so each circle rides the breath out. Swap sides and keep the two sessions symmetrical.
Quality matters more than duration. Light, patient, regularly repeated contact fits the wellness register this page practises; hard jabbing invites the neck and shoulder muscles to guard, undoing the very ease the pause wants. Warm your hands first if they run cold, because chilled muscle braces. Choose a quiet corner over a screen and let the practice double as a posture reset — many people spend these minutes noticing how far the head has crept forward over the day and letting it stack back over the shoulders. People who keep a routine anchor it to an existing habit — after the morning wash, midway through desk hours — because consistency, not intensity, is what self-care traditions actually reward. Across weeks, notice what changes without demanding outcomes: perhaps less knotting at day’s end, perhaps easier turning, perhaps only ninety borrowed seconds of attending to your own back.
Boundaries belong inside the practice. Never press while craning or twisting the neck to reach the spot — resettle your posture and let the hand travel instead. If sitting upright provokes pain, or an old injury makes this slope tender, grant the point a day off; the wisest session on a bad day is the postponed one. And never escalate force, duration, or depth to hurry a result: escalation is the one move this practice never rewards. Curiosity that pulls toward pressing harder meets the same answer every time — return to gentleness, or stop for today. The slope will still be there tomorrow.
Cautions and Safe Practice
This point earns its respect in writing. The dataset cautions practitioners not to needle deeply, because deep insertion here risks puncturing the lung membrane — the thin lining that wraps the lung and lines the chest. Breach it and air can escape into the space between, folding the lung away from the chest wall: a collapsed lung, a medical emergency. The warning follows from the plain geography already walked through above — high on the back, the lung climbs toward the root of the neck, and only muscle stands between skin and membrane. Professional training manages that risk with exact technique; home self-care manages it differently and far more simply, by never leaving the surface at all. Fingertip pressure that stays in skin and superficial muscle does not approach the structures the caution guards.
The practical rules follow. Use finger pads only — no elbows, knuckles, or tools. Keep the intention strictly superficial, and never drive force toward the ribs. Skip the point entirely during any feverish illness, over broken or irritated skin, and whenever breathing feels difficult; skip the point entirely after recent upper-back or chest injury or surgery, until a clinician clears ordinary activity. Stop at once, and for the day, on any sharp, electric, or radiating sensation. Pregnant readers, and anyone living with lung, heart, or neurological conditions, do best consulting a qualified practitioner before adding new point work. None of these rules costs the practice anything; gentleness was already the plan.
And the wider rule stands over everything: this page is educational, and acupressure is self-care — comfort and companionship for a body, not diagnosis or therapy. Seek prompt medical attention, not a longer pressing session, for weakness or numbness spreading down an arm, severe pain after a fall or accident, fever with a stiff and painful neck, breathing difficulty, or any symptom that frightens you. Persistent symptoms belong with a licensed practitioner — Western medicine or East Asian medicine, whichever suits the complaint. The image of an outer depot on the shoulder’s slope suits Jianwaishu well, and the safest gift it offers most people matches it: a few quiet minutes spent knowing your own upper back better, treated kindly.
Jianwaishu, the Outer Shu of the Shoulder, rests high on the upper back, three cun out from the base of the first long spinal ridge below the neck. Classical practice drafted it when shoulders and backs refused to loosen, when the neck grew stiff, and when arms felt heavy and weak. This guide walks through finding it by touch and pressing it safely.
Cautions from the classical sources
- Keep insertion shallow; the needle could puncture the pleura.
Self-care limits
Frequently asked
- How do I find Jianwaishu without knowing anything about cun?
- Let your thumb do the measuring — one cun is conventionally taken as the width of the person being examined. Find the big knob at the neck-shoulder junction that moves when the head turns, drop down to the very next spinal ridge below it, rest on that ridge’s lower edge, then walk three thumb-widths straight out to the side into the thick muscle. Cun measurements simply encode the same landmark sequence in proportional language.
- Is pressing Jianwaishu myself actually safe?
- Gentle fingertip contact held on the surface is reasonable everyday self-care for healthy adults: it engages skin and superficial muscle far short of the membrane the recorded caution protects. The dataset’s warning concerns deep professional techniques — a category home acupressure never approaches — and the geography behind it is the reason this point asks for lighter hands than most. Respect the stop signals regardless: sharp, electric, or worsening sensation all mean finish immediately.
- What did classical practice use Jianwaishu for?
- The traditional record lists shoulder and back pain, stiffness of the neck and nape, and weakness of the arm. Classical texts describe the small intestine channel breaking across the shoulder-blade country here on its way to the neck and face, which ties all three entries to one map: complaints along the route were met at stations along the route. Those frameworks document how tradition reasoned — offered for cultural understanding, not as evidence-backed treatment claims.
- Why does an arm-channel point end up so high on the back?
- Because the classical course climbs that far. The pathway rises from the little finger along the back of the arm, crosses the shoulder, and then winds through this upper-back country between spine and shoulder blade before climbing the neck toward the face and ear. Several of the channel’s nineteen stations gather on this one slope, which tells you how much of its shoulder-and-neck business the tradition transacted here — the arm is only the first act of the journey.
- Can pressing Jianwaishu replace treatment for my stiff neck?
- No. Self-acupressure is a comfort practice, not diagnosis or therapy, and a neck that stays stiff or painful for weeks deserves proper assessment — what is actually wrong determines what actually helps, and some causes of neck pain need care a pressure routine cannot provide. Think of two floors of one building: daily gentle self-care lives downstairs, while the consulting room upstairs belongs to licensed clinicians you visit when symptoms persist or escalate. Neither substitutes for the other.
Sources
- 01WHO Standard Acupuncture Point Locations in the Western Pacific Region (2008), World Health Organization — nomenclature conventions.
- 02A Manual of Acupuncture, Peter Deadman, Mazin Al-Khafaji and Kevin Baker — point-name tradition and channel context.
- 03aijiu-mpvue (MIT License) licensed dataset, entry for SI14 Jianwaishu — location, action record, and caution note.
Last reviewed
牌記This leaf, for machines
Old books ended with a colophon saying who printed them. Every leaf here carries the same facts as structured data for agents and search, with no layout in the way.
- GET /en/points/si14/leaf.json
- GET /zh-hant/points/si14/leaf.json
- GET /zh-cn/points/si14/leaf.json
- /llms.txt — the index of every leaf
- JSON-LD in the page: MedicalWebPage, MedicalEntity and FAQPage
{
"id": "SI14",
"name": {
"en": "Jianwaishu",
"gloss": "Outer Shu of the Shoulder",
"zh-Hant": "肩外俞",
"zh-Hans": "肩外俞"
},
"channel": {
"id": "SI",
"order": 14,
"of": 19
},
"location": {
"text": "On the upper back, four finger-widths out from the spine, just below the level of the big bump at the base of the neck."
},
"for": [
"shoulder and back pain",
"a stiff neck"
],
"press": {
"text": "Two finger pads, slow circles, one minute each side.",
"seconds": 60,
"sides": "both"
},
"cautions": [
"The lungs lie beneath: gentle pressure only, never hard or sharp."
],
"source": "Zhenjiu Jiayi Jing, book 3",
"url": "https://acupoints.com/en/points/si14",
"lastReviewed": "2026-08-24"
}