Quchi (LI11): The Elbow-Crease Point for an Aching Elbow, Arm and Shoulder

Where Quchi Sits

This point sits in the dip at the outer end of the elbow crease, halfway between the middle of the crease and the bony knob on the outside of the elbow, and it is used for an aching elbow, arm and shoulder. This line starts at the tip of the index finger. It runs up the thumb side of the back of the hand and through the web between thumb and index finger. Then it climbs the outer edge of the forearm to the elbow, goes up the outer upper arm to the point of the shoulder, crosses the neck and ends beside the nose. Vietnamese and Chinese texts call it the Large Intestine channel. Its name comes from the organ it is said to connect to inside the body, but its points on the arm are mostly used for the arm. This is the eleventh stop, at the bend of the elbow.

The Vietnamese reference gives a clear instruction. Bend the elbow in toward the chest and the point is at the end of the elbow crease. It sits where several forearm muscles attach around the outer side of the elbow. Its quick finder puts it at the high end of the crease, its very last point. The international standard published by the World Health Organization in 2008 adds a measure. It sits halfway between the outer edge of the thick tendon in the middle of the elbow crease and the bony knob on the outside of the elbow (the lateral epicondyle). With the elbow fully bent, that is the dip at the outer end of the crease.

Underneath is a cluster of forearm muscles that start around the outer side of the elbow. The largest is the muscle that bends the elbow in the thumb-up position, the one that stands out when you lift a full cup (the brachioradialis). Beside it are the muscles that cock the wrist back. A little deeper and toward the front, the radial nerve runs past on its way into the forearm. A few millimetres outward is the bony knob where the tendons of the tennis-elbow area attach.

The nerve supply explains the sensation. The skin here is served by fibres from the fifth and sixth roots of the neck part of the spinal cord, the same roots that serve the outer shoulder and the thumb side of the forearm. That is part of why an elbow ache and a shoulder ache so often go together. It is also why a firm press here can be felt up the arm and down toward the thumb.

Why This Spot

The elbow does more than bend. Every time you grip, lift a kettle, turn a key or carry a bag, the muscles that start around the outer side of the elbow pull on their anchor point. Years of gripping and lifting load that small area, and the tenderness tends to sit right where this point is. The dip at the end of the crease is also one of the easiest places on the body to find. The crease marks it and the bony knob beside it gives a steady reference.

In this tradition the name carries the image: the Pool at the Bend. The bend is the elbow. The pool is the dip at the end of the crease, where the channel's flow is described as gathering and sinking deeper. In this tradition, points at the big joints of the arm and leg are said to be where the channel enters deep, like a river reaching the sea. This one holds that role for its arm line.

That deep-entry role is the reason this point has a broader reach in this tradition than its place on the elbow would suggest. Beyond the elbow and arm, it is commonly used for the hot, achy feeling at the start of a cold, and for itchy skin. In this tradition those complaints are described as heat sitting in the outer layers of the body. These uses are part of the tradition's record, not promises.

What the Old Texts Say About Quchi

The Vietnamese handbook used by The Neuro Reset, Ngô Trung Triều's Acupoints and Channels of the Human Body (Huyệt vị kinh lạc cơ thể người), lists the uses that have come down through the tradition. They include pain in the elbow, the arm and the shoulder, fever and the aches of a cold, and itching, rashes and skin complaints. The first three still cover most of the reasons someone reaches for this point today. The others show how widely the tradition used it. Few points on the arm carry such a long list.

What stands out in the older instruction is the posture. The reference does not ask you to measure anything. It says to bend the elbow in toward the chest and look for the end of the crease. A crease is something everyone has and everyone can see. That makes this point one of the most reliable for people working on themselves. The modern international standard keeps the bent-elbow method as its practical note. It adds the halfway measure between the central tendon and the bony knob for anyone who wants to check.

The tradition also points to how the point is used with others. Rather than pressing one spot in isolation, practitioners in this tradition often work along a line. They start at the hand, move to the elbow, then go up to the shoulder, all on the same channel. The thinking is that a channel blocked at one point is best opened along its length. That approach shapes the pairings in the next section.

There is a practical lesson in that for self-care. If the shoulder is too sore to touch, the elbow and the hand are still within reach. They are on the same line, so in this tradition they are part of the same work.

Points That Work With Quchi

The closest partner sits three finger-widths further down the forearm on the same line. From the dip at the end of the crease, lay three fingers along the forearm toward the wrist, staying on the thumb-side ridge of muscle. The far edge of the third finger marks the level. That point is commonly used for an aching forearm, a tired grip and a sore arm. It pairs naturally with this one.

The second partner is on the hand, in the mound of muscle in the web between the thumb and first finger. It sits at the start of the same arm line and is commonly used for pain in the head, face and arm. It is traditionally avoided in pregnancy, so leave it out if you are pregnant.

The third partner is at the shoulder tip. Lift the arm out to the side and a dimple appears at the front edge of the bony point of the shoulder. It is used when the ache runs from the elbow up into the shoulder joint.

How to Find and Press Quchi

Getting Into Position

Sit at a table and rest the working forearm on it, elbow bent at roughly a right angle, thumb pointing up. The arm must be able to go heavy; held in the air, the muscles stay tight under your thumb. Drop the shoulder and let the fingers fall loose. Your other hand reaches the point easily from above.

How to Find It

With the elbow bent and resting, look for the crease across the inside of the elbow. Follow it from the middle toward the thumb side until it ends. Right before the bony knob on the outside of the elbow, your thumb will settle into a shallow dip. That dip is the area. If you open and close your hand, you will feel the muscles under it tighten and soften.

Probe inside the dip slowly with the thumb tip. Most of the tissue will feel firm and mildly tender. One small spot will sting. It is a sharp, pinpoint tenderness under the thumb tip that fades as soon as you lift off. That spot is the point. If you feel an electric jolt or tingling toward the thumb, lift off and move a little aside.

How to Press It

The method has three steps. Find the area, probe inside it until one spot stings, then rub that spot in small circles. Use the tip of your thumb with the nail cut short, or a pressing tool with a rounded tip. Wrap your fingers around the back of the elbow for support so the thumb can work steadily.

Press into the dip toward the centre of the elbow, not onto the bony knob beside it. Keep the circles small and slow, no wider than a grain of rice. Keep the hand of the working arm loose. A clenched fist tightens the muscles over the point and makes it harder to reach.

How Much Pressure

Use your body as the gauge. If you are holding your breath, clenching your jaw or hunching the shoulder, you are pressing too hard. Sharp under the thumb tip is right. That sting is the sign you are on the point, and it should fade when you lift off. Stop if the pain stays after you lift off, if it spreads down the forearm, or if the elbow turns swollen, hot or red. Stop at once for electric, numb or tingling sensations toward the fingers.

How Long

One to three minutes on each arm. In the first sessions stay close to one minute, then add a little as the days go on. Once or twice a day is plenty. Do both arms, even when only one aches. If you are also pressing the point below it on the forearm, work this one first.

When to Do It

Mornings suit an elbow that wakes up stiff. A short round in the natural breaks during gripping work, such as gardening, sewing, cooking or carrying shopping, can help before the ache settles in. Use it early at the first hot, achy feeling of a cold. A gentle round in the hour before bed can help the arm settle. Do not press in the middle of the night. If the elbow or the itching wakes you, keep the arm still and supported, and leave the pressing for the morning or the next evening.

What This Won't Do

It will not change why the elbow aches. For most people over fifty that is years of gripping and lifting, a tendon that has frayed where it meets the bone, or wear in the joint itself. Pressing a dip at the end of the crease does not repair a tendon. Lighten the load, lift with the palm up rather than down, use a thicker handle on tools, and take breaks from gripping. Then this point has something to add. On its own it is a comfort measure, and it will not promise you an unbroken night.

It will not replace a diagnosis either. Arm pain that comes with chest pressure, breathlessness, sweating or nausea is an emergency. Call for help immediately; do not sit pressing your elbow. See a doctor promptly for an elbow that is swollen after a fall, cannot bend or straighten fully, or looks out of shape. The same applies to an elbow that is hot and red, numbness in the fingers, a weak grip, or a wrist that will not lift. See a doctor too for a fever that is high or lasts more than a few days, or a rash that spreads, blisters or comes with swelling of the face.

Safety First

Do not work over skin that is broken, burned, infected, badly bruised or covered by a rash. Leave the area alone with a recent fracture, a fresh sprain, unexplained swelling, or any plate or pin under the skin. If you take blood thinners, bruise easily, have a bleeding disorder or reduced feeling in your arms, use lighter pressure and keep sessions short. After surgery on the elbow or shoulder, or where lymph nodes have been removed from the armpit, ask your clinician before pressing anywhere on that arm.

Stop if the pain stays after you lift off, spreads, or the area turns swollen, hot or red, and stop for any electric, numb or tingling sensation toward the fingers. Nothing here asks you to push through pain. For the full list of cautions and situations where self-applied pressure is not appropriate, read the full safety guide before you begin.

Questions People Ask

Where is the Quchi (LI11) pressure point? Quchi (LI11) sits at the outer end of the elbow crease. Bend your elbow, thumb pointing up, and follow the crease across the inside of the elbow to its end on the thumb side. The point is in the dip there, halfway between the middle of the crease and the bony knob on the outside of the elbow.

What is Quchi (LI11) used for, and what does the name mean? In Vietnamese traditional medicine it is commonly used for an aching elbow, a sore arm and a stiff shoulder, and in this tradition also for itchy skin and the hot, achy feeling of a cold. The name means "the Pool at the Bend", the bend being the elbow and the pool the dip at the end of the crease. In Vietnamese the point is called Khúc Trì. Press it with the elbow bent at roughly a right angle and resting on a table.

Is Quchi (LI11) useful for tennis elbow? The point sits right beside the bony knob where the forearm muscles of the tennis-elbow area attach, and many people with that kind of pain find it tender. In this tradition it is commonly used for an aching elbow. Press the point itself, not the bony knob, and stop if the pain stays after you lift off.

How long should I press Quchi (LI11)? One to three minutes on each arm. Keep it close to one minute in the first sessions and add a little as the days go on. Once or twice a day is enough. Do both arms, even if only one aches.

Can I press Quchi (LI11) and the point below it together? Yes. The two sit on the same line, the second about three finger-widths further down the forearm toward the wrist. Many people work this one first, then slide down to the second. Give each its own time, and do not rush the circles.

Can I use Quchi (LI11) for itchy skin? In this tradition the point is commonly used for itchy skin, and some people find pressing it a calmer response than scratching. It does not replace a doctor's advice. See a doctor for a rash that spreads, blisters, weeps, comes with fever or swelling of the face, or keeps you awake night after night.

Other Points in This Library

Each of these sits within reach of the same hand. They are often worked in the same sitting.

This page shares general information about a traditional practice. It is not medical advice and does not replace what your doctor has given you. If you are pregnant, managing a health condition, or unsure whether this applies to you, check with your doctor first.

The whole inner edge of the foot, laid out on one page with photographs, is in The Foot Map — the free book. For every point in this library, see the full pressure point index.

(Point shown: LI11 · Quchi · The Pool at the Bend · Khúc Trì.)