Not on a hot, freshly swollen or newly injured knee.
膝陽關 Xiyangguan
“Yang Gate of the Knee” · GB33
Foot Shaoyang · 33 of 44
Where. On the outer side of the knee, in the soft dip just above the bony bump of the thigh bone.
For. Swollen, painful knees; tight backs of the knees.
Press. Gentle fingertip pressure, knee softly bent, about a minute.
Caution. Not on a hot, freshly swollen or newly injured knee.
陽關，在陽陵泉上三寸，犢鼻外陷者中按 · Press with me
Six slow breaths
About a minute. Press as you breathe out, ease as you breathe in.
鄰 · Neighbouring leaves
Where Xiyangguan Sits at the Outer Knee
The dataset places Xiyangguan on the lateral side of the knee, three cun above Yanglingquan (GB34), in the depression above the lateral epicondyle of the femur. Every clause earns its unpacking. A cun is the traditional proportional unit of Chinese point-location, taken from the person being examined rather than from any ruler — the width of your own thumb at its knuckle is the everyday approximation. Above means toward the thigh, upward from the reference point rather than below the knee. And that reference point has its own record: Yanglingquan sits in the depression anterior and inferior to the head of the fibula, the bony knob you can feel just below the outer knee. So the address reduces to a short vertical walk — stand on the fibular-head landmark, climb three thumb-widths up the outer line of the knee, and search the soft hollow above the bony prominence of the lower thighbone.
The terrain beneath the skin shapes how the search goes. The outer knee is a working landscape: the femur — the thighbone — narrows toward its lower end and finishes in two rounded condyles, with the lateral epicondyle rising as a distinct prominence on the outside, covered only thinly by tendon and fascia before bone arrives. Tendons cross this corner on their way between thigh and lower leg, which is why the surface feels corded and busy under exploring fingers. Many people find the hollow reads most clearly once the knee softens into a slight bend and the surrounding muscles stop bracing; a locked, straightened leg flattens everything. And because the body carries the point twice, the two knees offer mirror twins — comparing them as you explore teaches the local geography faster than any written description could.
Neighbours along the channel help orient the search. Below lies Yanglingquan at the doorstep of the fibular head; above, the road climbs the outer thigh through Zhongdu (GB32) and Fengshi (GB31), which the catalogue places five and seven cun above the crease behind the knee — a measured staircase the channel descends before crossing this gate. The knee corridor is the narrowest passage on that whole journey, and the name — knee, yang, gate — already sketches the map before any theory begins. It also explains why the walkthrough below starts from the bottom of the knee: the landmarks there are easier to feel, and the count upward is short. If fingers lose the thread midway, returning to the fibular head and climbing again, slowly, beats guessing from memory every time.
A Self-Palpation Walkthrough
Sit upright on a firm chair with both feet flat on the floor and the knee of the searching side softly bent, never locked. Rest the palm on the outer knee and find the fibular head first: the rounded bony knob sitting just below and behind the outer knee line, easiest to feel when the leg relaxes. From its doorstep, walk the fingertips straight up the outer side of the knee about three thumb-widths. Press gently above the bony prominence you meet there — the lateral epicondyle of the femur — and let the pads settle into the soft depression that sits just above it. If the hollow hides, ease the knee a little further into its bend, breathe out, and let the muscles around the joint go quiet; the depression usually announces itself to patience rather than pressure.
A few light confirmations help before anything more happens. Touch feather-light and compare sides: many people notice a faint, dull awareness right at the hollow and almost nothing a finger-width away, though responses vary from person to person. Check the relationships instead of hunting for sensation: the spot should sit clearly on the outer side of the leg — not sliding around toward the kneecap in front, not toward the crease behind — and always just above the bony prominence rather than below it. If your finger rests on bare bone, slide half a thumb-width off the edge and search again for the soft span; if it sinks into a wide tender zone, you may have drifted onto tendon, and the landmark walk will bring you back. Both sides deserve the same unhurried attention.
Failed searches stumble in familiar ways. Drifting forward carries the fingers around onto the front of the knee, where the kneecap takes over the geography. Sliding too low lands below the knee line near the fibular head — Yanglingquan’s neighbourhood, one gate too early. Searching while standing with the leg locked straightens and braces everything the hollow needs relaxed, which is why the chair matters more than it seems. And pressing hard to force the hollow to appear simply numbs the fingertip’s report; lighten the touch and the map redraws itself. When doubt wins, sit down, bend the knee, find the fibular knob again, and repeat the short climb without hurry.
Reading the Name: Yang Gate of the Knee
The three characters assemble the picture plainly. Xi 膝 means the knee itself, its flesh radical placing it among the body’s working parts. Yang 陽 is the yang of yin-and-yang — the bright, active principle, and by extension the sunny side of things: classical mapping assigns the outer aspects of the limbs to yang and the inner aspects to yin, so a point standing on the outside of the leg wears the label naturally. Guan 關 means gate or pass — a character built around doors and their bolts, extended to mountain passes, frontier stations, and hinges. Together, Xiyangguan reads as the Yang Gate of the Knee: the doorway where the channel crosses the body’s great hinge on its bright, outward-facing side.
The position in the channel adds a second layer of sense. Xiyangguan is the thirty-third of the forty-four points the registry assigns to the gallbladder channel, a line that classical descriptions send zigzagging down the side of the head and body before it travels the outer thigh, crosses the knee here, passes the fibular head, and continues down the lower leg toward the ankle and the fourth toe. The knee is the largest hinge on that entire route — the place where the descending road changes angle — and naming the crossing a gate suits a tradition that marked thresholds wherever flow gathered or turned. Point names borrowed constantly from architecture: gates, courtyards, storehouses, windows. This one belongs squarely to the gate family, set at the joint where movement itself opens and shuts.
Pinyin renders the name Xīyángguān. Xi carries the flat, high first tone; yang rises on the second tone; guan returns to the first. Read aloud, the name levels, lifts, and levels again — a small spoken picture of a hinge swinging open. The hanzi 膝陽關 are easy to memorise at a glance, and like many of the best point names the metaphor does real work rather than decorating: before any theory starts, the name already tells you where you are — the outside of a knee, at a crossing. Run a fingertip up the outer knee while saying the syllables, and the old word and the living body confirm each other.
Traditional Indications, Explained
The recorded indications read: swelling and pain of the knee, spasm of the popliteal tendons, numbness of the lower leg, restricted knee movement, and beriberi. Framed as tradition rather than promise, the opening entries are home ground. A point standing at the outer knee was naturally consulted when the knee itself complained — puffiness with aching, stiffness that limited bending and straightening, the everyday miseries of a hard-working hinge. The spasm entry turns on the popliteal tendons, the tendon cords behind and flanking the knee: spasm meant cramping, tightening, involuntary shortening — the classical vocabulary for muscles knotting into guarded states, not a modern diagnostic label.
The remaining entries follow the logic of the map. Numbness of the lower leg reaches down the channel’s own road: classical practice understood sensations of deadness, tingling, or heaviness along a limb’s course as flow failing to reach it, and addressed such complaints at points stationed along the route — this gate included. Beriberi asks for historical translation. In classical Chinese medical literature the term — jiaoqi, literally leg qi — named a broad syndrome family moving through the lower limbs: numbness, heaviness, swelling, weakness. Only much later did modern medicine narrow the word to a specific nutritional deficiency. The licensed record shows the grouping was systematic rather than casual: the neighbouring thigh points Fengshi and Zhongdu carry the very same vocabulary, so reading the list historically explains why the old books filed what they filed where they filed it.
It bears repeating plainly: these are the traditional uses recorded in a licensed dataset and classical literature, offered here for cultural and historical understanding. They are not claims that pressing this point treats disease, and nothing in this guide replaces assessment by a qualified clinician — least of all for joints, where causes overlap and examination matters. 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, and hold the safety rules firmly.
Self-Care Acupressure at Home
With the point located by the walkthrough above, settle in: seated, spine tall but unforced, foot flat, the knee softly bent. Curl the index and middle fingers together and rest the pads — not the tips — in the hollow. Begin with contact alone for a few breaths, then add small, slow circles, letting the skin glide over the tissue beneath rather than grinding against bone. Pressure should register as pleasant dullness or mild 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 hands and repeat on the other knee, keeping the sessions symmetrical.
Quality matters more than duration. Light, patient, regularly repeated contact fits the wellness register this page practises; hard jabbing at a joint teaches the body nothing and earns only protest. Warm cold hands first, because chilled tissue guards. Choose a quiet corner over a screen — the practice doubles as a pause: inhale through the nose, feel the knee resting still beneath steady fingers, press gently on the long exhale. Knee-specific good manners apply throughout: never press a locked, fully straightened leg against its own tension, keep the leg supported so the joint does not have to hold itself, and give the day of a fresh knock or strain a complete rest. People who keep a routine often anchor it to an existing habit — morning washing, an evening stretch — because consistency, not intensity, is what self-care traditions ask for.
Treat the exercise as a small ceremony of attention rather than a treatment session. Notice what changes across weeks: perhaps the outer knee feels less guarded, perhaps walking downstairs feels easier while you practise, perhaps nothing shifts except that you spend those minutes attending to a joint that usually works unthanked. Every one of those outcomes fits the honest scope of self-acupressure. What does not fit is escalation — harder, longer, deeper to force a result. Knees in particular reward patience and resent force. When curiosity pulls toward force, return to gentleness, or simply stop for the day.
Cautions and Safe Practice
This entry carries no specific caution in the licensed dataset — the catalogue records none for GB33 — and that absence reads differently from the warnings attached to points on the thin chest wall elsewhere in this library. The outer knee lies far from lungs and internal organs; the neighbourhood is bone, tendon, and muscle, territory where surface work stays out of structural trouble. But absence of a warning is not an invitation to force. Every page in this collection keeps the same discipline, and joints add reasons for restraint of their own: a knee is a complex, closely packed hinge, and what feels like ordinary soreness can occasionally be something that deserves a professional eye rather than a pressing routine.
For fingertip acupressure the practical rules follow from that picture. Use finger pads only — no elbows, knuckles, or tools. Keep pressure light and superficial, and skip the point entirely over broken or irritated skin. Leave the point alone when the knee is hot, freshly swollen, recently injured, or recently operated on, until a clinician clears ordinary activity; the same holds for anyone living with a replaced knee joint — ask your own clinician before adding any new point practice. Sharp, electric, or radiating sensation means stop at once and do not try again that day. Pregnant readers, and anyone managing a chronic condition, should consult a qualified practitioner before adding new practices of this kind.
And the wider rule stands over everything: this page is educational, and acupressure is self-care, not diagnosis or therapy. Seek prompt medical care — not a pressure routine — after a knee injury with sudden severe pain, inability to bear weight, rapidly increasing swelling, a joint that is hot or red, fever alongside joint pain, or numbness and weakness that spread. Persistent symptoms belong with a licensed practitioner, Western or East Asian medical as suits the complaint. The gate imagery is handsome, but the safest gift Xiyangguan offers most people is a better acquaintance with their own knees, touched kindly and left alone whenever in doubt.
Xiyangguan, the Yang Gate of the Knee, stands on the outer side of the knee where the gallbladder channel crosses the hinge of the leg. Classical records reached for it when knees swelled and ached, sinews behind the knee cramped, or the lower leg went numb. This guide walks through finding it by touch and pressing it gently.
Self-care limits
Frequently asked
- How do I find Xiyangguan without knowing anything about cun?
- Use the fibular head as the whole map. Sit down, let the knee relax, and feel the rounded bony knob just below the outer side of the knee. From that knob, walk your fingertips straight up the outer knee about three thumb-widths and search for the soft hollow just above the next bony prominence you meet. That depression above the lateral epicondyle of the femur is the location the dataset describes. Cun measurements simply encode the same landmark walk in proportional language.
- Is pressing Xiyangguan myself actually safe?
- Gentle fingertip pressure held on the surface is generally reasonable self-care for healthy adults. This part of the leg lies far from lungs and internal organs, and the dataset records no specific caution for this entry — unlike points high on the thin chest wall, which carry explicit warnings. Reasonable is not unconditional, though: respect the stop signals, leave a hot, swollen, or recently injured knee entirely alone, and treat persistent joint problems as questions for clinicians, not projects for thumbs.
- What did classical practice use Xiyangguan for?
- The traditional record lists swelling and pain of the knee, spasm of the popliteal tendons, numbness of the lower leg, restricted knee movement, and beriberi — the last being the old syndrome-family word for numb, heavy, weak legs rather than the narrow modern meaning. Local knee complaints dominate the list, with the numbness entry following the channel’s downward road. Those are traditional frameworks for understanding the body, documented for context — not evidence-backed treatment claims.
- Why does the gallbladder channel cross the outer knee here?
- Classical channel theory sends the gallbladder pathway on a long descent: it zigzags down the side of the head and body, travels the outer thigh, crosses the knee at Xiyangguan, passes the fibular head at Yanglingquan, and continues toward the ankle and the fourth toe. The knee is the largest hinge on that route, and classical mapping assigns the body’s outer aspects to yang — hence a Yang Gate at exactly this crossing.
- When does a knee problem need more than self-care?
- Conservatively and often. Seek prompt assessment after any injury with sudden severe pain, inability to bear weight, or rapid swelling; whenever a joint is hot or red, or fever accompanies joint pain; when numbness or weakness spreads; and whenever symptoms persist, recur, or worsen across weeks. Self-acupressure is a comfort practice alongside good care, never a substitute for it — and knees, being complicated and load-bearing, earn earlier professional visits rather than later ones.
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-course context.
- 03aijiu-mpvue (MIT License) licensed dataset, entry for GB33 Xiyangguan — location, actions, and indication 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/gb33/leaf.json
- GET /zh-hant/points/gb33/leaf.json
- GET /zh-cn/points/gb33/leaf.json
- /llms.txt — the index of every leaf
- JSON-LD in the page: MedicalWebPage, MedicalEntity and FAQPage
{
"id": "GB33",
"name": {
"en": "Xiyangguan",
"gloss": "Yang Gate of the Knee",
"zh-Hant": "膝陽關",
"zh-Hans": "膝阳关"
},
"channel": {
"id": "GB",
"order": 33,
"of": 44
},
"location": {
"text": "On the outer side of the knee, in the soft dip just above the bony bump of the thigh bone."
},
"for": [
"swollen",
"painful knees",
"tight backs of the knees"
],
"press": {
"text": "Gentle fingertip pressure, knee softly bent, about a minute.",
"seconds": 60
},
"cautions": [
"Not on a hot, freshly swollen or newly injured knee."
],
"source": "Zhenjiu Jiayi Jing, book 3",
"url": "https://acupoints.com/en/points/gb33",
"lastReviewed": "2026-08-24"
}