Jiexi (ST41): The Front-of-Ankle Point for a Stiff, Aching Ankle

Where Jiexi Sits

This point sits at the centre of the front of the ankle, in the soft dip between two tendons, level with the tops of the inner and outer ankle bones, right where the shin meets the top of the foot.

The line this point belongs to is the longest on the front of the body. It starts under the eye, runs down the face and neck, over the chest and belly, down the front of the thigh to the knee, and then down the front-outer side of the shin to the ankle. From here it crosses the top of the foot and ends at the second toe. Vietnamese and Chinese texts call it the Stomach channel. This is its forty-first stop, the gate between the leg and the foot.

The World Health Organization standard describes it plainly: on the front of the ankle, in the dip at the centre of the ankle joint, between the tendon that lifts the big toe and the tendons that lift the other toes. It adds a useful note. The two tendons stand out more clearly when you pull the foot up, and the point sits at the middle of a line drawn across the front of the ankle between the two ankle bones. No measuring is needed. The tendons and the ankle bones are the landmarks.

This dip is a crowded little crossing. The tendons of three muscles pass over the front of the ankle here: the one that lifts the foot, the one that lifts the big toe, and the one that lifts the other toes. Between them, an artery runs down onto the top of the foot, and you can often feel its pulse with a fingertip. Beside the artery runs a nerve that drives the muscles of the front of the leg and feels the web between the big toe and the second toe. The skin over the point is served by a branch that spreads across the top of the foot, fed from the fifth lumbar root.

Why This Spot

On the anatomical side, this is the hinge of the ankle. Every step bends the foot up and down across this crease, and the tendons slide here under a band of tissue that holds them against the bone. When the ankle stiffens with age, after an old sprain, or in people who walk carefully, this front crease often feels tight and the dip between the tendons turns tender. It is the place where the leg hands the step on to the foot.

In this tradition the point is the river point of its channel. Each channel has five transport points between the toes and the knee, and the old books describe the flow growing larger at each one, like water from a spring becoming a stream and then a river. Here, at the ankle, the flow of the Stomach channel is described as broad and steady. The texts use the point for the ankle itself, for the foot below it, and, following the long line upward, for a heavy head and a sluggish belly.

The name describes the place. Untying is what you do to shoe laces and sandal straps, which were tied across exactly this crease; the stream is the narrow groove between the tendons. Its Vietnamese name, Giải Khê, keeps both ideas.

What the Old Texts Say About Jiexi

The Lingshu, the Spiritual Pivot, a Han-dynasty text, lists the transport points of each channel in its second chapter. This point appears there as the river point of the Stomach channel, in the hollow on the front of the ankle. The position has not moved since. When the World Health Organization set out its standard in 2008, it kept the same tendons and the same hollow as its landmarks.

The Vietnamese handbook of points and channels by Ngo Trung Trieu, published by Hong Duc, uses this point as a landmark. To find points on the shin, the book measures down from the dip at the outer lower edge of the kneecap toward this hollow at the front of the ankle. One entry places a shin point exactly halfway along that line. A point used as a ruler for others is a point the old teachers trusted to be easy to find.

In the wider tradition, teachers turned to this point for pain and weakness of the ankle, a foot that drops or drags, swelling across the top of the foot, headache and dizziness, and a bloated, sluggish belly. That reputation comes from long use rather than proof. It tells you that this small crossing at the front of the ankle was trusted by many hands, over many generations.

Points That Work With Jiexi

The first partner sits nearby, at the front-outer corner of the ankle. Find the round outer ankle bone and slide your fingertip forward and down into the soft hollow in front of it. It is used with this one for a stiff ankle and for old sprains that still ache, the two working across the front of the joint.

The second sits behind the ankle. Find the outer ankle bone again and move straight back into the dip between the bone and the thick heel cord. It is commonly used with this one when the ankle aches all around, front and back.

The third is higher on the same line. From the dip at the outer lower edge of the kneecap, measure four fingers down and move one finger out from the shin's sharp edge. It is used with this one when the whole leg feels tired and the foot drags, and for a belly that feels slow.

How to Find and Press Jiexi

Getting Into Position

Sit on a firm chair and rest the foot on a stool or a second chair in front of you, so the front of the ankle faces your hand. Or cross the ankle over the other knee. If bending is hard, use a rounded-tip tool with a long handle, or a smooth stick, and stay upright. The foot must be relaxed when you press.

How to Find It

Pull your toes and the front of your foot up toward you. Two cords stand out across the front of the ankle: a single one running to the big toe, and a flatter bundle running to the other toes. Find the soft groove between them, level with the tops of the inner and outer ankle bones. Now let the foot relax. The groove softens into a dip.

Probe that dip with a rounded-tip pressing tool, or the tip of your thumb with the nail cut short. Move in small steps up and down the groove. Most of it will feel like soft tissue over bone. One spot will sting: a small, sharp, pinpoint tenderness. That spot is the point. If you feel a strong beat under the tip, you are on the artery. Shift a hair to one side, onto the edge of a tendon, and press more gently.

How to Press It

Keep the tip of the tool or thumb on the stinging spot and rub in small circles, about the size of a fingernail, roughly one each second. Aim the pressure straight into the ankle, toward the heel. Steady the foot with your other hand, holding the sole or the heel. Keep the tip on the same spot; do not let it slide over the tendons.

How Much Pressure

Sharp under the tool is right. That small sting tells you that you are on the point. This area has little padding, so it needs less force than the shin or the calf. The test is what happens when you lift off: the sting should fade within moments. If the pain stays after you lift the tool, if it spreads, or if the ankle turns swollen, hot or red, stop and leave it for several days. Stop at once for tingling or numbness into the toes. If you are holding your breath, you are pressing too hard.

How Long

Work each ankle for one to three minutes. In the first sessions keep to about one minute. As the days go on, add a little time, up to three minutes. Do both ankles, even when only one is stiff. Once or twice a day is plenty. Pressing longer does not add benefit; it mostly adds soreness.

When to Do It

Morning suits an ankle that is stiff on the first steps out of bed; pressing before you stand can make those steps easier. Late afternoon suits an ankle and foot that ache after walking or standing. Before bed is a good time too, as part of winding down. Do not press in the middle of the night. If an aching ankle wakes you, pressing then tends to wake you further. Keep the pressing for the day and the evening.

What This Won't Do

It will not remove the reason your ankle hurts. In people past fifty, a stiff, aching ankle usually comes from wear in the joint, from an old sprain that left the ligaments loose, from flat or tired arches, from shoes that give no support, or from gout. A foot that drags or catches can come from weak muscles in the shin or from a nerve pinched in the back or at the knee. A point on the front of the ankle will not out-argue any of that. Pressing works best alongside the plain things: ankle circles, calf stretches, supportive shoes, and care on stairs and uneven ground.

It will not replace a diagnosis either. An ankle that is suddenly hot, red and very painful, especially at the big toe or the top of the foot, may be gout or an infection and needs to be seen. An ankle that will not take your weight after a twist may be broken. A foot that suddenly drops or slaps the ground when you walk, or numbness across the top of the foot that does not go away, points to a nerve and needs to be checked, not pressed. Swelling around both ankles that is new or getting worse belongs with a doctor.

Safety First

Do not press over skin that is broken, burned, infected, badly bruised or rashy. Leave the area alone with a recent fracture, a fresh sprain, unexplained swelling, or a plate, screws or a joint replacement in the ankle. Do not press hard onto the pulse at the front of the ankle; work beside it. If you take blood thinners, bruise easily, have a bleeding disorder, or have reduced feeling in your feet, use lighter pressure, keep sessions short, check the skin afterwards, and talk to your doctor first.

Stop at once if the pain stays after you lift off, spreads, or if the area becomes swollen, hot or red. Stop too for any tingling or numbness into the toes. Nothing here requires you to push through pain. For the full list of cautions and the situations where pressing on yourself is not appropriate, read the full safety guide before you begin.

Questions People Ask

Where is the Jiexi (ST41) pressure point? Jiexi (ST41) sits at the centre of the front of your ankle, in the soft dip between two tendons, level with the tops of the inner and outer ankle bones. Pull your toes up to make the tendons stand out, then relax and press between them. In English it is called the Untying Stream; in Vietnamese, Giải Khê.

Why is it called the Untying Stream? The first character means to untie or loosen. The point sits where the laces of a shoe or the strings of a sandal were tied and untied, across the front of the ankle. The stream is the soft groove between the tendons.

I can feel a pulse under my thumb. Should I press there? Press beside it, not on it. An artery runs over the front of the ankle right here, and you can often feel it beat. Move the tip a hair to one side, onto the tendon edge, and press gently. A sting is what you want, not a throb.

Can I press it for a sprained ankle? Not in the first days, while the ankle is hot, swollen and bruised. Rest, cool and raise it, and have it checked if you cannot take weight. Once the swelling has settled, gentle pressure here can be part of loosening a stiff ankle.

How long should I press Jiexi? One to three minutes on each ankle. Keep the first sessions to about a minute, then add a little as the days go on, up to three. Once or twice a day is enough. Work both ankles, even if only one is stiff.

I cannot reach my ankle easily. What can I do? Rest the foot on a chair in front of you, or cross the ankle over the other knee. If bending is still hard, use a rounded-tip tool with a long handle, or a smooth stick, and press from where you sit.

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: ST41 · Jiexi · The Untying Stream · Giải Khê.)