肩髃 Jianyu
“Shoulder Corner” · LI15
Hand Yangming · 15 of 20 · crossing-point
Where. Raise the arm out to the side: in the front hollow that opens below the bony tip of the shoulder.
For. Shoulder pain, a stiff arm that is hard to lift.
Press. Firm pressure into the hollow, about a minute each shoulder.
在肩端兩骨間按 · Press with me
Six slow breaths
About a minute. Press as you breathe out, ease as you breathe in.
鄰 · Neighbouring leaves
Where Jianyu Sits on the Shoulder
On the rounded cap of the shoulder, the dataset places Jianyu on the deltoid muscle, in the anteroinferior depression below the acromion — the hollow that appears when the arm is lifted out to the side or extended forward horizontally. Each term earns a moment. The acromion is the flat bony shelf you feel at the very top of the shoulder, the plateau a bag strap rests against. The deltoid is the meaty triangle of muscle draped over the joint, the muscle that raises the arm. Anteroinferior simply means front-and-slightly-below. Put together: raise the arm, and just beneath the front lip of that bony shelf a soft hollow opens in the deltoid — then closes again as the arm comes down and the muscle swells back over it.
What makes this point unusual among the many of the classical map is that it is found in movement rather than in a fixed coordinate. Most points sit in permanent landmarks — a groove between tendons, a gap between bones — and stay put whatever the limb does. Jianyu belongs to the arm's motion itself: the recorded instruction to abduct or extend forward is not a positioning nicety but the whole trick, because the hollow exists only while the deltoid shifts aside. Beneath the fingertip lie the muscle's front fibers, and deeper still the shoulder's ball-and-socket joint with its cushioning bursa and gliding tendons — busy, finely balanced machinery that rewards patience and dislikes blunt force. From here the channel's road runs on: down the outer arm toward the elbow, and backward over the top of the shoulder toward its next stations by the neck.
Neighbours help confirm the placement. Below and outward, the deltoid continues as a long slope toward the elbow, carrying the channel down the limb; the point sits high on that slope, tucked at the shoulder end rather than halfway down the muscle belly. Behind and slightly above, the bony architecture changes character at the junction where collarbone, shoulder-blade ridge, and arm bone meet — territory belonging to other points. And as everywhere on the body, the two sides answer each other: whatever hollow your fingers find on one shoulder, the mirror movement should summon on the other. Searching both sides together doubles the evidence and halves the doubt.
A Self-Palpation Walkthrough
Sit or stand tall with both shoulders released and loose, so the muscles have nothing to guard. Rest your left hand on your right shoulder and walk your fingertips outward along the top of the shoulder until they meet the hard, flat prominence at its very tip — the acromion. Now slowly raise your right arm out to the side toward shoulder height, no higher than needed. As it lifts, watch and feel a hollow open just in front of and below the front edge of that shelf, sinking into the deltoid: this is the anteroinferior depression the record describes, and it marks Jianyu. Lower the arm slowly and feel the muscle fill the hollow back in. Repeat the whole search on the other shoulder with hands swapped.
Two confirmations settle any doubt. First, change the door: extend the arm forward instead of sideways, level with the ground — the record offers both movements, and the same front-and-below hollow should appear either way. Reaching one spot through two different doors is strong evidence you have found the right place. Second, compare sides with a feather-light touch before any real pressure: many people notice a faint, dull awareness at the true point and little sensation a thumb-width away. Run one last check of the terrain: your pad should rest on yielding muscle, not on naked bone. If you feel the gritty edge of the acromion itself, slide a little downward and forward until flesh cushions the touch.
The common mistakes cluster predictably. Pressing too far down the slope lands in the middle of the deltoid bulk — a legitimate massage spot, but not the recorded location. Drifting backward over the shelf finds a second hollow behind the acromion, which belongs to a different point on another channel. And the subtlest error is searching with a tense arm: a braced shoulder flattens the deltoid and hides the very hollow you seek. If the hollow refuses to appear, put the arm down, roll the shoulder gently, shake it loose, and try again more slowly. Movement created the landmark; relaxation keeps it visible.
Reading the Name: Shoulder Corner
The name is almost an atlas. Jian 肩 is the shoulder itself, a character drawn with the flesh radical and spoken with a flat, level sound. Yu 髃 is rarer: it couples the bone radical with yu, the character for a secluded corner or nook, and classical glossaries apply it to the upper front of the shoulder where bone and sinew fold into one another. Jianyu therefore reads as the shoulder's corner — or, equally truly, its nook: the sheltered angle of flesh just below the shelf's leading edge, exactly where the hollow opens. Few point-names track their anatomy this closely; this one is practically a locating instruction written into the language long ago.
The catalogue adds a quieter credential: Jianyu is recorded as a crossing-point. In the classical picture, certain places on the body host more than one pathway at once, and old commentary describes the large intestine channel's course here as overlapping with that of the Yang Stepping Vessel — one of the eight extraordinary vessels, traditionally linked with lightness, uprightness, and the nimble conduct of the limbs. Whether one takes that cartography literally or as metaphor, it explains the point's seniority in old shoulder discussions: a place where routes converge was always going to lead the list when the shoulder itself was the complaint.
Pinyin renders the name Jiānyú — a flat first tone on jian, a rising second tone on yu. Set in its channel context, the name gains a second layer: this is the highest ground the large intestine channel reaches on its long climb. The pathway classically begins at the corner of the index fingernail, ascends the outer forearm and arm gathering its points, crests the shoulder here at the corner, rounds the top toward the neck, and finally turns inward and upward to end beside the nostril. Gates, pools, valleys, corners: the channel's names read like a landscape, and Jianyu stands in it as the pass at the summit — the corner every traveller rounds.
Traditional Indications, Explained
The record lists three traditional indications: contracture and pain of the shoulder and arm; paralysis of the upper limb; and urticaria. Take them in order. Contracture is a traditional term for sinew gone tight — the shoulder that will not rise, the arm that resists stretching overhead, the joint moving as though bound by a shortened cord. The classical reasoning is direct: the channel passes over this very joint, so when cold, damp, or simple stagnation was judged to have settled in the sinews there, practice drafted the local point to stir the channel's flow through the affected ground. A local point for a local complaint is the oldest and plainest logic in the tradition.
The second indication reads strangely to modern eyes until its era is restored. Formularies listed Jianyu for upper limbs weakened or powerless after stroke-like illness — the arm hanging slack, refusing the shoulder's commands. Old case lore even tells of celebrated physicians said to free a locked shoulder with a single visit to this point; such stories survived because they flattered the point's fame, and they document reputation, not evidence. Whatever the old ambition, loss of limb power today belongs squarely with medical assessment and rehabilitation teams, and nothing on this page suggests otherwise. The listing is kept here the way a map keeps an old road: as a record of how people once thought, not as a route anyone should now rely on.
The third indication, urticaria — the itchy, wandering welts of hives — looks furthest from the shoulder until the traditional frame supplies its bridges. Classical physiology pairs the large intestine channel intimately with the lung channel and gives the lung governance of skin and body hair; through that partnership, large-intestine points inherited surface duties. The yangming pathways were additionally described as the richest in qi and blood of the body's channels, which lent them standing in complaints of the exterior. Add the old habit of linking eruptive skin trouble to wind, and a high shoulder point enters the skin conversation. It bears repeating plainly: these are traditional uses recorded 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 for any single point remains thin.
Self-Care Acupressure at Home
Settle in seated with both feet down and the working shoulder dropped and heavy. Find the hollow by the walkthrough above, then let the arm rest at your side and keep your fingertips parked in the spot as the deltoid closes over them. Curl index and middle fingers together and rest the pads — never the tips — where the hollow sat. Begin with contact alone for a few unhurried breaths, then add small, slow circles, letting the skin glide over the tissue rather than grinding. Pressure should register as pleasant dullness or spreading warmth, never sharpness. A common rhythm is one to three minutes per side, once or twice daily, matched to slow exhales so each circle rides the breath out. Swap hands and give the other shoulder the same courtesy.
With a stiff shoulder especially, quality beats quantity. Jabbing invites the muscles to guard, which is the opposite of what a self-care pause wants. Warm your hands first if they run cold, and loosen the area with two or three easy shrugs and releases before touching the point. Choose a quiet corner over a screen; the practice works best as a small ceremony of attention rather than background fidgeting. People who keep it up usually anchor it to an existing habit — after the morning wash, midway through an afternoon at the desk — because consistency, not intensity, is what self-care traditions actually reward. Across weeks, notice what changes without demanding outcomes: perhaps less guardedness, perhaps easier motion while pressing, perhaps only ninety borrowed seconds of attending to your own body.
Boundaries belong inside the practice, not just around it. If lifting the arm to reveal the hollow provokes sharp pain, shrink the arc — begin the lift and stop at the first hint of the depression — or have a companion watch the hollow open while your arm hangs and mark the spot for you. Never press into a wince, and never escalate force, duration, or depth to hurry a result; escalation is the one move this practice never rewards. On days when the shoulder refuses even gentle contact, grant it the day off. Curiosity that pulls toward forcing is answered the same way every time: return to gentleness, or stop for today.
Cautions and Safe Practice
An honest page states what the record does and does not say. For this entry the licensed dataset attaches no caution note — a plainer sheet than chest or face points carry, whose warnings about deep structures are explicit. Say it plainly, and then say the rest of it: absence of a recorded caution is information, not invitation. The shoulder houses a crowded, finely tuned interior — rotator tendons, cushioning bursae, a shallow joint capsule — none of which benefits from blunt assault, and all of which prefers being left alone by anything heavier than thoughtful fingertip contact. Surface kindness is the entire method.
The practical rules gather quickly. Use finger pads only — no elbows, knuckles, or tools. Keep the intention strictly superficial. Stop at once, and for the day, on any sharp, electric, or radiating sensation. Skip the point entirely while a shoulder is hot, swollen, or freshly injured, over broken or irritated skin, and during any feverish illness; wait until a clinician clears ordinary activity after shoulder surgery or a significant injury. Pregnant readers, and anyone managing significant health conditions, do best consulting a qualified practitioner before adding new point work to their routine. 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 severe shoulder pain following a fall or accident, any obvious deformity, numbness or weakness spreading down the arm, chest discomfort arriving with arm symptoms, or stiffness that marches past a few weeks without easing. Persistent symptoms belong with a licensed practitioner, Western or East Asian as suits the complaint. The corner imagery is gentle, and the safest gift Jianyu offers most people matches it: a few quiet minutes of knowing your own shoulder better, treated kindly.
Jianyu, the Shoulder Corner, crowns the round of the deltoid at the highest reach of the large intestine channel. Classical practice returned to it when a stiff, painful shoulder refused to lift, and its name still marks the exact hollow that opens when the arm rises away from the body. This guide walks through finding it by touch and pressing it safely.
Self-care limits
Frequently asked
- How do I find Jianyu if stiffness keeps the hollow from showing?
- Change the door rather than forcing the window. The record gives two movements — sideways lifting and forward-horizontal extension — so try the forward sweep, which many stiff shoulders tolerate better. You can also shrink the motion: start the lift and stop the instant the depression appears, marking it with a fingertip before lowering. A companion watching the hollow open while your arm hangs can mark it for you. Slow, repeated searches beat one determined probe.
- Is pressing Jianyu 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 tendons, bursae, and joint capsule deeper in the shoulder. The recorded entry carries no special caution, and home acupressure never approaches the professional techniques that would test one. Respect the stop signals regardless — sharp, electric, or worsening sensation all mean finish immediately.
- What did classical practice use Jianyu for?
- The traditional record lists contracture and pain of the shoulder and arm, paralysis of the upper limb, and urticaria. Classical texts describe it as a crossing-point at the summit of the channel, which made it a natural head of old discussions about the shoulder. Those frameworks document how tradition mapped the body — offered for cultural understanding, not as evidence-backed treatment claims.
- Why would a large intestine channel point have anything to do with hives?
- Through the classical partnership of paired channels. The large intestine channel is the lung channel's interior-exterior partner, and the lung is said to govern skin and body hair, so surface duties flowed to the partner. Tradition also described the yangming pathways as richest in qi and blood, adding weight in complaints of the exterior. Layered together, those ideas carried a shoulder point into the skin conversation.
- Can pressing Jianyu replace treatment for a frozen shoulder?
- No. Self-acupressure is a comfort practice, not diagnosis or therapy, and a shoulder that stays stiff or painful for weeks deserves proper assessment — what is actually wrong determines what actually helps. 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, crossing-point theory, and channel context.
- 03aijiu-mpvue (MIT License) licensed dataset, entry for LI15 Jianyu — location, point class, and action record.
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/li15/leaf.json
- GET /zh-hant/points/li15/leaf.json
- GET /zh-cn/points/li15/leaf.json
- /llms.txt — the index of every leaf
- JSON-LD in the page: MedicalWebPage, MedicalEntity and FAQPage
{
"id": "LI15",
"name": {
"en": "Jianyu",
"gloss": "Shoulder Corner",
"zh-Hant": "肩髃",
"zh-Hans": "肩髃"
},
"channel": {
"id": "LI",
"order": 15,
"of": 20
},
"location": {
"text": "Raise the arm out to the side: in the front hollow that opens below the bony tip of the shoulder."
},
"for": [
"shoulder pain",
"a stiff arm that is hard to lift"
],
"press": {
"text": "Firm pressure into the hollow, about a minute each shoulder.",
"seconds": 60
},
"cautions": [],
"source": "Zhenjiu Jiayi Jing, book 3",
"url": "https://acupoints.com/en/points/li15",
"lastReviewed": "2026-08-24"
}