Diji (SP8): The Inner Shin Point for Heavy, Tired Legs

Where Diji Sits

This point sits on the inner side of the lower leg, right behind the back edge of the shinbone, about four fingers below the hollow under the inner knee.

The line this point belongs to begins at the inner corner of the big toenail. It runs along the inner edge of the foot, passes in front of the inner ankle bone and climbs the inner side of the shin, close to the back edge of the bone. At the knee it passes under the bony flare, then rises along the inner thigh, over the belly and up the side of the chest. Vietnamese and Chinese texts call it the Spleen channel. This is its eighth stop, in the upper part of the shin.

The old texts place it five body-inches below the knee. The Vietnamese handbook gives a firmer way to find it: close to the back inner edge of the shinbone, three body-inches below the point in the hollow under the inner knee. The World Health Organization's 2008 standard says the same: on the inner side of the leg, behind the inner border of the shinbone, three body-inches below that hollow. Three body-inches is close to the width of four fingers laid side by side.

Underneath, the shinbone (the tibia) has a sharp front edge and a flat inner face you can feel under the skin. Its back inner edge is where the point sits. Behind that edge lies the start of the deep calf muscles and, closer to the surface, the inner head of the big calf muscle and the soleus, the flat muscle under it. These muscles push you up onto your toes and carry you forward with every step. The point presses into the edge where muscle meets bone.

The skin here is served by the saphenous nerve, the long nerve of the inner leg that comes from the femoral nerve and the third and fourth lumbar roots. The long vein of the inner leg, the great saphenous vein, runs close by, a little behind the bone. That is why this page asks you to avoid pressing on any vein that bulges here.

Why This Spot

On the anatomical side, the inner calf muscles work as a pump. Each time they squeeze, they push blood in the leg veins back up the leg. When you sit or stand still for long hours, that pump rests and the legs can feel heavy and full by evening. The muscle edge behind the shinbone often turns tender in people whose legs feel this way. The bone gives a firm, reliable edge to press against, and the spot is easy to reach from a chair.

In this tradition the point is described as the cleft point of its channel. Cleft points are said to sit where the flow gathers deep, like water collecting in a narrow gorge, and they are used when a complaint along the line is sharp or stubborn. This line runs up the inner leg, so its cleft point is commonly pressed for an aching inner calf and heavy legs.

The name gives it weight. Earth stands for the spleen in this tradition, and a pivot is a turning point, the hinge on which something moves. The Vietnamese name, Địa Cơ, carries the same idea: the hinge of the earth line, low on the leg.

What the Old Texts Say About Diji

The point appears in the Systematic Classic of Acupuncture and Moxibustion, the Jiayi Jing, compiled by Huangfu Mi in the third century, where it is placed five body-inches below the knee and named as the cleft point of the Spleen channel. That role has been repeated in handbooks ever since. Later texts added the more practical measurement from the hollow under the inner knee, which is the one modern standards use.

The Vietnamese handbook of points and channels by Ngo Trung Trieu, published by Hong Duc, gives the location in two steps. First, it is five body-inches below the knee. Then, to find it quickly, it sits close to the back inner edge of the shinbone, three body-inches below the hollow under the inner knee. The handbook's list of uses is short and concerns the lower belly. Those uses fall outside what this page covers. Here the point is used for the leg it sits on.

The World Health Organization keeps the same spot in its 2008 standard and adds the anatomy: behind the inner border of the shinbone. Across eighteen centuries of copying, the place has barely moved.

In the wider tradition, teachers work the points along the inner shin in a sequence, starting under the knee and moving down toward the ankle, pressing each for a short time. This point is the first stop below the knee on that path. Long use rather than trials stands behind it. It tells you that hands have pressed this spot for generations when legs felt heavy and slow.

Points That Work With Diji

The first partner sits right above it, in the hollow under the bony flare of the inner knee. Run your thumb up the inner edge of the shinbone until it stops there. In this tradition the two are commonly pressed one after the other for heavy, puffy legs, the upper one first.

The second sits lower on the same line. Find the tip of the inner ankle bone, lay four fingers above it, and probe the soft edge right behind the shinbone. It is used with this one when the heaviness reaches down to the ankles. That ankle point also carries a caution in pregnancy.

The third is on the front of the same leg. From the outer dip below the kneecap, measure four fingers down and move one finger out from the sharp edge of the shinbone. It is used with this one for tired legs, one point on each side of the shin.

How to Find and Press Diji

Getting Into Position

Sit on a firm chair with your foot flat on the floor and let the knee fall a little outward so the inner shin faces up. If that is awkward, cross the leg to be pressed over the other knee so the inner side of the shin faces you, or sit on a bed with the leg turned outward on a pillow.

How to Find It

Run your thumb up the inner edge of the shinbone, starting from the ankle. Near the top, your thumb stops in a soft hollow under the bony flare below the knee. From that hollow, lay four fingers flat down the inner edge of the shinbone. The area is right below your bottom finger. Now move your fingertip onto the back edge of the bone, where the bone stops and the soft calf muscle begins.

Now probe it with a rounded-tip pressing tool, or the tip of your thumb with the nail cut short, pressing against the back of the bone. Move slowly in small steps up and down that edge. Most of it will feel like ordinary muscle. One spot will sting: a small, sharp, pinpoint tenderness. That spot is the point. If a vein runs over it, move slightly to one side of the vein.

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 against the back edge of the shinbone, slightly forward toward the bone, not straight into the calf. Hold the outer side of the shin with your other hand so the leg stays still. Keep the tip on the same spot; do not let it slide.

How Much Pressure

Sharp under the tool is right. That small sting tells you that you are on the point. 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 area turns swollen, hot or red, stop and leave it for several days. If you are holding your breath, you are pressing too hard. Ease off until you can breathe slowly through the sting.

How Long

Work each leg for one to three minutes. In the first sessions keep to about one minute, because the point is often most tender at the start. As the days go on, add a little time, up to three minutes. Do both legs, even when only one feels heavy. Once or twice a day is plenty. Pressing longer does not add benefit; it mostly adds soreness.

When to Do It

Late afternoon or early evening suits legs that grow heavy after a day of sitting or standing. Before bed is a good time too, with your feet raised on a cushion afterwards for a few minutes. Morning works for legs that feel stiff on waking. Do not press in the middle of the night. If an aching leg 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 legs feel heavy. Heavy, tired legs often come from long hours of sitting or standing, weak calf muscles, extra weight, warm weather, or veins that no longer close well. Some medicines cause ankle swelling too. A point on the inner shin cannot change how your veins work. Pressing works best alongside the plain things: walking every day, rising onto your toes a few times each hour, raising your legs in the evening, and support stockings if your doctor suggests them.

It will not replace a diagnosis either. One calf that is suddenly swollen, warm and painful needs urgent assessment, because it can mean a clot in a deep vein. Swelling in both legs that is new, leaves a dent when pressed, or comes with breathlessness needs to be seen. A vein that turns hard, red and tender needs a doctor. Calf pain that comes on every time you walk and eases when you stop is worth a check too. Pain that wakes you every night, or worsens week on week, belongs with a doctor.

Safety First

If you are pregnant, skip this one. Do not press over skin that is broken, burned, infected, badly bruised or rashy, or over swollen, twisted or painful veins. Leave the area alone with a recent injury, unexplained swelling, or a plate, pin or implant under the skin. If you take blood thinners, bruise easily, have a bleeding disorder, or have reduced feeling in your legs and feet, use lighter pressure, keep sessions short, 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. 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 Diji (SP8) pressure point? Diji (SP8) sits on the inner side of the lower leg, right behind the back edge of the shinbone. Find the hollow under the bony flare of the inner knee and measure about four fingers down. Probe against the bone there until one spot stings. In English it is called the Earth Pivot; in Vietnamese, Địa Cơ.

How long should I press Diji? One to three minutes on each leg. 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 legs, even if only one feels heavy.

How is Diji (SP8) different from Yinlingquan (SP9)? They sit on the same line along the inner shin. Yinlingquan (SP9) is in the hollow right under the bony flare of the inner knee. Diji (SP8) is about four fingers lower, against the back edge of the shinbone. Many people press the upper one first and then slide down to this one.

Can I press Diji if I am pregnant? No. If you are pregnant, skip this one. Many teachers leave the points of the inner shin alone during pregnancy, and this page follows that caution.

My legs feel heavy and puffy by evening. Will this help? In this tradition the point is commonly pressed for heavy, tired legs, and many people find it pleasant at the end of the day. Swelling around the ankles that is new, that leaves a dent when pressed, or that comes with breathlessness should be checked by a doctor, because it can have causes a pressure point cannot reach.

Can I press over varicose veins? No. Do not press on swollen, twisted or painful veins. If a vein runs over the spot, work beside it or leave this point and use the one under the inner knee instead. A vein that turns hard, red or tender needs a doctor.

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: SP8 · Diji · Earth Pivot · Địa Cơ.)